Mulberry in Zone 10 -- plant

Bloom timing & cross-pollination

One tree is usually enough

Most mulberries are self-fruitful: a single tree sets a full crop with its own pollen, so you don’t need a second variety to get fruit. Bees still move the pollen from blossom to blossom, so strong pollinator activity through bloom is what drives a heavy set.

Oscar blooms mid season and is self-fruitful, setting a full crop on its own.Blooms alongside: Illinois Everbearing, Silk Hope.

Bar length shows how long each variety blooms, roughly 8 to 14 days. Bars that overlap bloom at the same time.

▲ Tap a variety to see its bloom timing

Very early Early Mid Late Very late

Illinois Everbearing✓ same time

Dwarf Everbearing✓ same time

Silk Hope✓ same time

Pakistan✓ same time

Black Beauty✓ same time

Oscar✓ same time

The pollination rule

The wind does the pollinating for mulberries, so you do not need bees or, usually, a second tree. The one thing to know: mulberry trees vary, and some kinds have separate male and female trees. A wild, unnamed seedling might turn out to be a male that never fruits, so buy a named fruiting variety instead, which usually makes a full crop on its own. This is the reverse of many apples, which need a second variety nearby to make fruit.Mulberries are wind-pollinated, not insect-pollinated, so pollinators are not needed for fruit set. At the species level they are variable: an individual tree is either monoecious, with male and female flowers together, or dioecious, with the sexes on separate trees, and wild red mulberry is usually dioecious, so an unnamed seedling can turn out to be a non-fruiting male. The practical rule is to buy a named fruiting cultivar, which is typically female and bears a full crop on its own, with many reported to set fruit with little or no pollination. This is the opposite situation from many apples, which require a second, compatible variety to cross-pollinate.

The specs

Care guide

The numbers that matter, at a glance.

Sunlight

full sun · 6-12 hrs/day

Water

low

Spacing

300-360 inches

Soil

loam

Soil pH

6 to 7

Container OK?

Soil chemistry

Soil pH for mulberry

Preferred

6 to 7

Tolerated

5.5 to 8

Mulberry grows well across a wide range of soil pH and is not fussy (pH is just a measure of how acidic or alkaline the soil is). It is happiest around pH 6.0 to 7.0 but tolerates soil from about 5.5 up to 8.0, including the mildly alkaline soils that trouble many fruit trees. For most gardens you do not need to adjust the pH at all; just make sure the soil drains.Mulberry is pH-adaptable, doing best around pH 6.0 to 7.0 but tolerating roughly 5.5 to 8.0. White mulberry in particular handles alkaline ground that stresses many stone fruits, so pH correction is rarely needed. Test before planting if in doubt, but in most soils the practical limits are drainage and sun, not pH.

Verified · 1 source View

Steady hand on the hose

Watering

When & how much

Frequency

Water a new mulberry regularly for its first year or two, about once a week when it does not rain, so the roots get going. After that it is very drought-tolerant and an older tree seldom needs watering, though a good soak while the berries are filling makes them bigger and sweeter. In winter, when the tree is resting, it needs almost none.Water regularly through the first one to two seasons to establish the roots, roughly weekly in the absence of rain. After that, mulberry is notably drought-tolerant and an established tree rarely needs irrigation, though watering through the final weeks of fruit sizing improves size and sweetness. Cut back sharply in winter dormancy.

Amount

Each time you water, give a deep soak that reaches down to the roots, not just a splash on top. A young tree wants about 5 gallons per soak. An older tree needs little, but a deep weekly soak while the fruit is filling, if the weather is dry, pays off in better berries. Deep soaks grow deep, drought-proof roots.Water deeply each time so moisture reaches the full root depth rather than wetting only the surface. For an establishing tree, on the order of 5 gallons per soak; a bearing tree that is watered at all wants the rough equivalent of an inch per week during fruit fill in dry spells. Deep, infrequent soaks build the deep roots that carry mulberry through drought.

Method

Water the ground around the roots with a drip line, soaker hose, or a slow trickle from a hose, spreading it out toward the edge of the branches. The main thing is that the soil drains between waterings; mulberry hates sitting in water much more than it minds being dry.Water at the root zone by drip, soaker, or a slow hose out toward the drip line, keeping the trunk base itself uncrowded. Overhead watering is not the concern it is with stone fruit, but soil that drains freely between waterings matters most, since mulberry dislikes standing water far more than dryness.

Signs of trouble

Too much water

Too much water, or soil that stays soggy, shows up as yellow leaves, wilting that does not go away even when the soil is wet, and a tree that just sits there or goes downhill. Since mulberry handles dry soil so well, staying too wet is the bigger risk. Soil that never dries out is your cue to back off.Overwatering or poor drainage shows as yellowing leaves, wilting that persists in wet soil, and a stalled or declining tree, since waterlogged roots suffocate. Because mulberry is so drought-adapted, chronic wet feet is a far more common cause of trouble than dryness; soil that never dries between waterings is the warning sign.

Too little water

Too little water shows as wilting, dull curling leaves, and some early leaf drop in a long dry spell, and smaller berries if it runs dry while the fruit is filling. An established mulberry shrugs off dry spells and usually bounces back; the tree itself is rarely killed by drought.Underwatering shows as wilting, dull curling leaves, and early leaf drop in a prolonged drought, and on the fruit as poor sizing during the fill period. An established mulberry tolerates real dry stress and usually recovers, but berries sized under drought stay small; the tree itself is rarely lost to dryness.

Feeding rhythm

Feeding

Frequency

0-1x per year

Type

balanced granular (e.g. 10-10-10), sparingly

When to start

early spring as growth begins, only if growth is weak

Mulberry hardly ever needs feeding. It is a fast, vigorous tree that does fine on its own in most soils. If a young tree looks weak or the leaves are pale, scatter a little balanced fertilizer around the root zone in early spring and water it in. Do not overdo it, especially with nitrogen (the first number on the bag), because too much just makes leafy growth instead of fruit. Do not feed late in the year.Mulberry is a vigorous, undemanding tree that rarely needs feeding once established; on decent soil it grows fast on its own. If a young tree is weak or the leaves pale, apply a light broadcast of balanced fertilizer around the root zone in early spring and water it in. Avoid heavy nitrogen, which pushes rank, soft growth at the expense of fruit and can worsen bird-magnet leafiness. Never feed late in the season.

N · P · K = 10-10-10

A balanced fertilizer like 10-10-10 (the numbers are nitrogen, phosphorus, and potassium) covers the rare time a mulberry needs feeding. Most mature trees need none at all. When in doubt, feed less, because too much nitrogen means leaves instead of fruit.A balanced ratio such as 10-10-10 is more than enough for the rare occasion a mulberry needs feeding. Mature trees typically need nothing; err on the side of underfeeding, since excess nitrogen (N) drives vegetative growth over fruit.

Try 10-10-10 balanced fertilizer

Who grows well together

Companion planting

Mulberry is self-fruitful, which means one named tree makes fruit on its own with no second tree needed (a few wild seedlings are single-sex, so buy a named fruiting variety and this never comes up). Because it is a big, fast tree, the things that matter are not vegetable-garden pairings but where you put it: keep grass and weeds pulled back from a young trunk so it establishes faster, and above all keep it away from paths, patios, driveways, and parked cars, because the dropped fruit stains everything it lands on. Under the dense canopy, lawn and most plants struggle from shade and shallow roots, so plan for mulch or shade-tolerant groundcover there. Mulberry is self-fruitful, so a single named tree fruits on its own without a pollinizer (a few wild seedlings are dioecious, but named cultivars sidestep that). The interactions that matter are about siting a large, vigorous tree, not classic vegetable companions: clear turf back from a young trunk to speed establishment, and site the tree well away from walkways, patios, driveways, and parking, since the abundant dropped fruit stains hard surfaces and gets tracked indoors. The dense canopy and shallow feeder roots make the ground beneath it a tough spot for lawn or bedding plants, so mulch it or use a shade-tolerant groundcover.

Other

Pollinator and beneficial-insect plants at the drip line

A skirt of flowering herbs and pollinator plants out toward the drip line supports orchard-floor beneficials and pollinators generally. Mulberry itself is wind-pollinated and self-fruitful, so this does nothing for fruit set, but the flowers recruit hoverflies, lacewings, and parasitic wasps that help keep the occasional whitefly or aphid in check. Keep them out toward the canopy edge rather than crowded against the trunk. Traditional

Keep apart from

Walkways, patios, driveways, and parking under the canopy The single most common mulberry regret is siting. A mature tree drops enormous quantities of soft, deep-purple fruit over a long season, and it stains concrete, pavers, decking, and vehicles, then gets tracked indoors on shoes and paws. Extension guidance is explicit: do not plant a mulberry over a driveway, sidewalk, patio, or parking spot. Give it an out-of-the-way lawn or wild-edge site where the drop and the birds it draws are a feature, not a cleanup problem. Research-backed

Provenance tagged inline · see methodology for the labeling system Key

Harvest signals

When to pick

A mulberry is ripe when the berry turns fully dark purple-black (or the ripe color of your variety, some are white or pink), goes soft, tastes sweet, and comes off at the lightest touch. Ripe fruit almost falls into your hand or drops when you shake the branch. There is no picking firm and ripening later like a peach: you pick mulberries dead ripe, and they spoil fast, so pick into shallow containers and chill or freeze them the same day.A mulberry is ready when the berry reaches full deep purple-black (or the ripe color of its cultivar, some are white or pink), turns soft, tastes sweet, and detaches at the gentlest touch. Ripe fruit will practically fall into your hand or drop when the branch is shaken. Unlike stone fruit, there is no firm-pick-and-ripen stage: a mulberry is picked dead ripe and is extremely perishable, so harvest into shallow containers and refrigerate or freeze the same day.

Verified · 2 sources View

Yield

What to expect

A grown mulberry produces a huge amount of fruit, easily many gallons over several weeks, usually far more than one family can eat. How much you get depends mostly on the size of the tree and how much the birds take, not on feeding or thinning. The hard part is picking and using it all, not growing it.A mature standard mulberry is an extraordinarily heavy bearer, commonly yielding many gallons of fruit, on the order of tens of pounds and often far more than a household can use, ripening over several weeks. Yield is limited mainly by tree size and birds, not by feeding or thinning; the practical constraint is picking and using the crop, not growing it.

A mulberry reaches heavy production within a few years and keeps bearing for decades with only light pruning. Everbearing types spread the fruit over a long stretch; a full-size tree just gives you an overwhelming amount at peak.Trees reach heavy bearing within a few years and stay productive for decades, given only light annual pruning. A named everbearing cultivar spreads its crop over a long window; a standard tree simply overwhelms with fruit at peak. Do not expect much fruit the first year or two while the tree settles in. Some everbearing varieties give a little early, sometimes even the first year, but real crops start around years 2 to 3 and grow from there.Expect little to no fruit in the first year or two while the tree establishes. Some named everbearing cultivars set a light crop early, sometimes even the first year, but real production begins around years 2 to 3 and builds from there.

What changes yield

cultivar and mature sizetree age and establishmentbird pressurewater during fruit fillsite sun and drainageregional season length

Verified · 2 sources View

Off the vine

Storing your harvest

Room temp

Mulberries do not keep on the counter. Ripe fruit gets soft and starts to spoil within a day, so eat them the day you pick them or put them in the fridge right away. They stain everything, so work over a bowl.Mulberries are extremely perishable and do not hold at room temperature; ripe fruit begins to soften and ferment within a day. Eat them the day they are picked, or refrigerate immediately. They also stain hands, cloth, and counters, so handle over a bowl.

Fridge

Keep ripe mulberries in the fridge, unwashed, in a shallow open container, and eat them within 2 to 3 days (wash them only right before eating). They spoil fast and bruise easily, which is why you almost never see them in a grocery store; a mulberry is a fruit you grow or pick yourself.Refrigerate ripe mulberries unwashed in a shallow, breathable container and use within 2 to 3 days; washing before storage hastens breakdown. Their very short shelf life (and how poorly they pack and ship) is exactly why mulberries are a home-grown and farmers-market fruit, rarely a grocery one.

Freezer

Mulberries freeze really well, which is the best way to deal with a big crop. Rinse them gently, drain and pat dry, spread them on a tray to freeze, then pack them into freezer bags. They keep for months and are great for baking, jam, syrup, and smoothies.Mulberries freeze very well. Rinse gently, drain and pat dry, freeze in a single layer on a tray, then transfer to freezer bags. Frozen berries keep for many months and are excellent for baking, jam, syrup, and smoothies. Freezing is the practical way to handle a heavy crop that ripens faster than you can eat it fresh.

Verified · 1 source View

When something goes wrong

Common problems

The tree is healthy but gives no fruitTree grows well but sets no fruit

01 of 04

What happened The tree grows fine but never fruits. Usually it is just young (mulberry starts fruiting around years 2 to 3), or it is a fruitless ornamental mulberry sold as a no-fruit shade tree, or, less often, a wild seedling that happens to be male, since a few mulberries have separate male and female trees. Named fruiting varieties fruit on their own. The fix is the plant, not how you care for it: buy a named FRUITING variety, and give a young tree another year or two.The tree is vigorous but never fruits. The usual causes are a young tree not yet of bearing age (mulberry typically starts around years 2 to 3), a fruitless ornamental mulberry (some are sold specifically as non-fruiting shade trees), or, less commonly, a single-sex seedling, since a few wild mulberries are dioecious with male and female flowers on separate trees. Named fruiting cultivars are self-fruitful and often parthenocarpic, so a lone one fruits on its own. The fix is the plant, not the care: buy a named FRUITING cultivar (not a fruitless ornamental), and give a young tree a couple more seasons. Next season Buy a named self-fruitful FRUITING variety like Illinois Everbearing or Dwarf Everbearing, avoid the fruitless ornamental kinds, and give a young tree time.Buy a named self-fruitful FRUITING cultivar (Illinois Everbearing, Dwarf Everbearing, and similar), avoid fruitless ornamentals, and be patient with a young tree.

Berries turn into hard popcorn-like lumpsBerries swell into hard, greenish popcorn-like lumps

02 of 04

What happened Some berries puff up hard and greenish like popcorn and never ripen. This is popcorn disease, a fungus (Ciboria carunculoides) most common in the South and on white mulberries and hybrids. No spray fixes it; you manage it by cleanup. Pick off and throw away the affected berries and clear the fallen fruit and debris under the tree, because that is where the fungus waits out the winter.Some berries swell abnormally, with segments enlarging and staying hard and greenish so the fruit looks like popcorn, and they never ripen. This is popcorn disease, the fungus Ciboria carunculoides, most common in the South and on white mulberries and their hybrids. There is no home spray; it is managed by sanitation. Remove and destroy affected fruit and clear the fallen fruit and debris beneath the tree, since that is where the fungus overwinters. Next season Clean up all the fallen and affected fruit each year to stop it spreading, and where the disease is common, pick a red mulberry or a tougher hybrid instead of the most susceptible white types.Clear all fallen and affected fruit each season to break the cycle, and where popcorn disease is common, favor a red mulberry or a more resistant hybrid over the most susceptible white types.

Purple stains all over paths and carsPurple stains on pavement, decking, and cars

03 of 04

What happened The ground, pavement, deck, or cars under the tree are stained deep purple, and it gets tracked inside. This is not a disease; it is just the normal heavy fruit drop of a productive mulberry, made worse by birds. It is really a placement problem. You cannot stop a big tree from dropping fruit, so plant future trees, and work around this one, well away from any hard surface, and think about a weeping or dwarf type that is easier to net and pick.The ground, pavement, decking, or vehicles under the tree are stained deep purple, and the stains track indoors. This is not a disease; it is the normal, heavy fruit drop of a productive mulberry, made worse by birds. It is almost always a siting problem. The corrective action is placement: a mature tree cannot be stopped from dropping fruit, so plant future trees, and manage this one, well away from any hard surface, and consider a weeping or dwarf form that is easier to net and harvest. Next season Plant mulberries away from paths, patios, driveways, and parking; for a small yard pick a dwarf or weeping variety you can net and pick clean.Site mulberries away from walkways, patios, drives, and parking; for a small space choose a dwarf or weeping cultivar you can net and pick clean.

Baby mulberries sprouting all overMulberry seedlings coming up everywhere

04 of 04

What happened Little mulberry seedlings keep popping up around the yard and in beds, spread by birds eating the fruit. White mulberry especially self-seeds a lot and is considered weedy or invasive in some areas. The fix is simple: pull the seedlings while they are small, and if invasiveness is a worry where you live, choose a named, less weedy variety.Young mulberry seedlings appear across the yard and in beds, spread by birds eating the fruit. White mulberry in particular self-seeds readily and is considered weedy or invasive in some regions (a noxious weed in a few states). The fix is routine: pull seedlings while small, and where invasiveness is a concern choose a named, less weedy cultivar (and note that some fruitless ornamental selections were, ironically, planted to avoid exactly this). Next season Pull the seedlings while small, keep the fallen fruit cleaned up, and if invasiveness is a concern where you live, plant a named variety rather than a wild seedling.Pull seedlings while small, keep fruit cleaned up, and where invasiveness is a local concern choose a named cultivar rather than a wild seedling.

The usual suspects

Pests & diseases

Pests

Birds

P · 01

Symptoms Birds strip the ripe berries fast. You will see missing fruit, half-eaten berries, and purple bird droppings under and around the tree. Big flocks can show up daily while the fruit ripens.Ripe and near-ripe berries disappear, half-eaten fruit and purple droppings appear on the ground and on nearby surfaces, and flocks work the tree through the ripening weeks. On a large tree the loss is simply shared; on a small or netted tree it can be nearly total if not managed. Cause Lots of birds love sweet, soft mulberries and eat them as they ripen. This is the main reason people lose fruit to the tree, though it is also why a mulberry is such a great tree for attracting birds.Many birds, especially catbirds, mockingbirds, robins, and waxwings, are drawn to sweet, soft mulberries and feed heavily as they ripen. This is the number-one reason home growers lose fruit, and it is a feature as much as a pest, since a mulberry is one of the best wildlife trees you can plant. Organic treatment For a small tree, cover it with bird netting when the first berries start to color, and pick ripe fruit every day so there is less left for the birds. A big tree is too large to net, so the usual approach is to accept that you are sharing, or even to let the mulberry act as a decoy that keeps birds off your other fruit.For a small tree, drape bird netting over it as the first berries color, and harvest ripe fruit promptly each day so less hangs available. For a large tree, netting is impractical; the traditional answer is to plant enough that there is plenty to share, and some growers deliberately keep a mulberry as a decoy to lure birds away from cherries and other prized fruit. Prevention You cannot really keep birds off a big mulberry, so plan on sharing; luckily the tree makes far more fruit than you can eat. Only bother netting small or dwarf trees, and pick ripe fruit quickly.There is no way to keep birds off a large mulberry, so plan the siting and the crop around sharing: a big tree yields far more than a household can use. Net only small or dwarf trees, and pick promptly.

Whiteflies

P · 02

Symptoms Tiny white flies rise up off the undersides of the leaves when you brush the branches, sometimes leaving a sticky film and black sooty mold below. They rarely bother an established tree much.Tiny white flying insects lift off the undersides of leaves when disturbed, sometimes with sticky honeydew and sooty mold on lower foliage in a heavy infestation. Vigor is rarely affected on an established tree. Cause Whiteflies are small sap-sucking insects that gather under the leaves. They show up on mulberry fairly often but rarely do real harm.Whiteflies (including the mulberry whitefly) are sap-feeders that colonize leaf undersides. They are a common but minor mulberry pest and mostly a cosmetic nuisance. Organic treatment A healthy tree does not need treatment. On a small tree with a lot of them, spray the undersides of the leaves with a strong jet of water or insecticidal soap, and welcome the ladybugs and lacewings that eat them.A healthy tree needs no treatment. If numbers are high on a small tree, a strong water spray to the leaf undersides or an insecticidal-soap application knocks them back; encourage the lacewings and ladybugs that prey on them. Prevention Keep the tree healthy and go easy on nitrogen feeding, which draws whiteflies. Natural predators usually keep them under control outside.Keep the tree vigorous and avoid heavy nitrogen feeding, which encourages the soft growth whiteflies favor. Natural predators usually keep them in balance outdoors.

Borers

P · 03

Symptoms Small holes, sawdust-like frass, or oozing on the trunk or big branches, mostly on trees that are already stressed or damaged. A healthy tree is rarely bothered.Small entry holes, frass, or oozing on the trunk and larger limbs, usually on trees already stressed by drought, injury, or decline. Healthy, vigorous mulberries are seldom attacked. Cause A few kinds of borer (beetle and moth larvae) can get into mulberry, but usually only when the tree is already weak from drought, wounds, or old age. They tend to follow trouble rather than start it.Several wood-boring beetle and moth larvae can attack mulberry, but almost always as a secondary problem on trees weakened by drought stress, mechanical wounds, or age. Borers follow decline rather than cause it in a healthy tree. Organic treatment The best fix is a healthy tree: water it in droughts, keep mowers and trimmers off the trunk, and cut out and destroy any dead or infested branches. Once larvae are inside the wood, no spray reaches them.The durable control is tree health: water through droughts, avoid trunk wounds from mowers and trimmers, and prune out and destroy any dead or infested wood. There is no practical rescue spray for larvae already tunneling inside. Prevention Keep the tree healthy and avoid wounding the trunk. A well-placed, watered mulberry rarely has borer trouble.Keep the tree vigorous and unwounded. A well-sited, adequately watered mulberry rarely gives borers an opening.

Diseases

Popcorn disease

D · 01

Symptoms Some berries grow oddly, with the little segments puffing up hard and greenish so the fruit looks like tiny popcorn instead of a soft berry. Those berries never ripen right and hang on the tree.Some berries on the tree swell up abnormally, with individual segments (carpels) enlarging and staying hard and greenish, so the fruit looks like a little cluster of popcorn kernels instead of a normal soft berry. Affected fruit does not ripen properly and clings to the tree. Cause Popcorn disease is a fungus (Ciboria carunculoides) that gets into the developing fruit and makes it swell into hard, popcorn-like lumps. It mostly shows up in the South, and white mulberries and hybrids catch it most. It is usually minor but can cost you fruit on a tree you grow for eating.Popcorn disease is caused by the fungus Ciboria carunculoides, which infects the developing fruit and turns the carpels into hard sclerotia. It is largely a southern problem, and white mulberries and their hybrids are the most susceptible; it is usually of minor importance but can cause real fruit loss on trees grown for eating. Organic treatment No home spray fixes it. The control is cleanup: pick off and throw away the affected berries, and rake up and bury or bin the fallen fruit under the tree, because that is where the fungus waits out the winter to come back next year.There is no home spray that cures it. Control is sanitation: as the disease appears, remove and destroy the affected fruit on the tree and rake up and bury or discard fallen fruit and debris beneath it, since that is where the fungus overwinters to reinfect next year. Prevention Keep the ground under the tree clean of fallen fruit each year so the fungus cannot overwinter. If popcorn disease is common in your area, choose a red mulberry or a tougher hybrid rather than the most susceptible white types.Year-round sanitation is the prevention: clear fallen and mummified fruit each season so the fungus has nowhere to overwinter. Where popcorn disease is a known local problem, favor red mulberry or a more resistant hybrid over the most susceptible white types.

Bacterial blight

D · 02

Symptoms Leaves get angular, water-soaked spots that turn dark, and new shoots can have black streaks; bad cases kill the shoot tips. It usually just looks bad rather than harming an established tree, and it is worst in wet weather.Angular, water-soaked spots appear on the leaves and turn dark, and young shoots can show black streaks or stripes; badly hit shoot tips may die back. Damage is usually cosmetic on an established tree and worst in wet springs. Cause Bacterial blight is a bacterium (Pseudomonas syringae pv. mori) that spreads in cool, wet spring weather and infects new growth. It is a minor disease that shows up in wet years and rarely hurts a healthy tree.Bacterial blight is caused by the bacterium Pseudomonas syringae pv. mori, which spreads in cool, wet spring weather and enters young tissue. It is a minor mulberry disease that flares in wet seasons and rarely threatens a healthy tree. Organic treatment Cut out and throw away the blackened, blighted shoots in dry weather, and avoid watering over the top of the tree so the leaves stay drier. On a backyard tree, that cleanup is all that is needed.Prune out and destroy blackened, blighted shoots during dry weather to remove the bacterial source, and avoid overhead watering that keeps foliage wet. No spray is warranted on a home tree beyond this sanitation. Prevention Keep the tree open so air moves through it, prune only when it is dry, and remove any infected shoots. A healthy, well-spaced tree easily shrugs this off most years.Keep the canopy open and the foliage dry, prune only in dry weather, and remove infected wood promptly. A vigorous, well-spaced tree shrugs off the disease in most years.

Leaf spots and minor foliar diseases

D · 03

Symptoms Spots on the leaves, or whitish patches underneath them in late summer, sometimes with a few leaves dropping in a wet year. It rarely affects how the tree grows or fruits.Scattered fungal leaf spots, or whitish patches (false mildew and powdery mildew) on leaf undersides in mid to late summer, sometimes with modest leaf drop on older trees in a wet season. Vigor and cropping are rarely affected. Cause A few minor leaf fungi (leaf spots and mildews) can mark mulberry leaves, mostly late in the season and in wet weather. On mulberry they are just cosmetic and rarely worth doing anything about.A group of minor leaf fungi (Cercospora and Cercosporella leaf spots, false mildew, and powdery mildews) can spot or coat mulberry foliage, mostly late in the season and mostly in wet weather. On mulberry these are cosmetic and seldom worth treating. Organic treatment A healthy tree needs no treatment. Rake up and remove fallen leaves in fall to cut down on next year's spores, and keep the tree open so air flows through. Sprays are only for special trees with a bad, repeated problem.No treatment is needed on a healthy tree. Rake and remove fallen leaves in autumn to reduce carryover, and keep the canopy open for airflow. Fungicides are reserved for prized specimens with a serious recurring problem. Prevention Keeping the tree open, cleaning up fallen leaves in fall, and letting air move through are all you need. A well-grown mulberry carries these without real harm.Open-canopy pruning, autumn leaf cleanup, and good air movement are the whole prevention program. Well-grown mulberries carry these diseases without meaningful harm.

Verified · 4 sources View

Seasoned

Where to plant next year

Crop rotation

For a mulberry, choosing the spot matters far more than rotation. Give it full sun, soil that drains, lots of room, and keep it away from anything the fruit could stain. There is no rotation schedule to follow.Site selection, not rotation, is the real decision for a mulberry: full sun, free drainage, plenty of room for a large spreading tree, and well clear of hard surfaces the fruit would stain. There is no rotation interval to observe.

Family

Moraceae (Morus)

Avoid following

You do not rotate a mulberry the way you rotate vegetables, because it stays put for decades. Unlike peaches, mulberry has no special replant problem, so it can follow most things. The main thing is to pick the right spot from the start, away from paths and patios, because a big tree is hard to move.Annual crop rotation does not apply to a mulberry: it is a permanent tree that holds its site for decades. Mulberry has no notable replant-disease problem the way stone fruit does, so it can follow most previous plantings, but choose the site carefully for the long term, since a mature tree is hard to move and the fruit drop dictates placement.

Plant after

any well-drained, full-sun site with room for a large tree, away from paths, patios, and drives

Verified · 1 source View

Read the full methodology →

Spot a data point that doesn't match your experience? Submit a correction; accepted corrections earn full author credit on the page.

Mulberry

Will it actually fruit here?

Your mulberry year, month by month

Will your winter be cold enough?

One tree is usually enough

Recommended varieties

How big will it get?

The growing journey

Care guide

Soil pH for mulberry

Watering

Feeding

Companion planting

When to pick

What to expect

Storing your harvest

Common problems

Pests & diseases

Crop rotation

Common questions

Got a question we missed?

Share a tip

Report a problem

Methodology & sources

Growing notes, weekly.