Zone 7 · Herbs Growing Guide

When to Plant Oregano
in Zone 7

Perennial Mediterranean herb that gets more flavourful in hot dry conditions. Greek oregano is most aromatic. Harvest before flowering -- flavour is strongest just before flowers open.

Plant window opens
Mar 7
Last chance to plant
Apr 21
Last frost
~Mar 15
Days to harvest
60–90 days
Difficulty
Easy
Plant now — Zone 7
Harvest: May - Nov
Harvest urgency: weekly — Harvest window lasts several weeks

Planting Calendar

In Zone 7, Oregano can be planted outdoors from Mar 7 — the window closes around Apr 21.

Perennial, near year-round harvest. Heat intensifies flavour in Zone 7 summers.

Your zone at a finer grain NOAA 1991–2020

Zone 7 is split into two subzones. The a/b distinction affects your exact last frost date by 1–2 weeks -- meaningful for heat-sensitive crops and fruit tree hardiness.

SubzoneLast frostFirst fallSeasonMin temp
7a Apr 7Nov 1~208 days 0 to 5°F
7b Mar 25Nov 8~229 days 5 to 10°F

plant detects your subzone from your location and adjusts planting windows accordingly.

Growing Journey

Here is what to expect at each stage — and what to do when you get there.

PlantingDay 0-21

Most perennial herbs prefer poor, well-drained soil -- do not over-fertilise. Good drainage is more important than rich

EstablishmentDay 14-60

Water regularly in the first season to establish roots. Once established, most perennial herbs are drought-tolerant.

HarvestYear 0-1

Harvest by cutting stems back by a third. Never cut into old woody growth on rosemary, sage, and thyme -- they do not re

WinterYear 0-1

Give a light haircut before winter to tidy up but avoid heavy pruning -- leave it for spring. Mulch around the base in c

Spring CutbackYear 1-1

Cut back last year's growth by about half once new growth appears. This annual cutback keeps perennial herbs from going

What to Expect

Typical yield
Generous harvest, best before flowering

Greek oregano varieties have the strongest flavour. Harvest before the flowers open for maximum essential oil content.

Key factorsvariety (Greek varieties strongest)harvest timingdrying technique
Get notified when to plant, water, and harvest your Oregano — personalized for your zone.
Grown Oregano before?or

Care Guide

Sunlight
Full sun · 6–8 hrs/day
Watering
Low
Spacing
12–18 inches
Soil
Well-draining, low to moderate fertility
Days to maturity
60–90 days
Soil pH
6.0–8.0
Plant tip · Zone 7
Perennial, near year-round harvest. Heat intensifies flavour in Zone 7 summers.
Lifecycle
Productive life: 6+ yrsPerennial
How to know it's ready
Pick just before flowering -- most flavourful then. Cut stems to 1 inch above ground.

Watering Oregano

How often
Every 7-10 days
How much
0.5-1 inch per week
Method
At soil level
Overwatering signs
Yellowing, root rot
Underwatering signs
Dry tips (usually tolerates)

Feeding Schedule

How often
once a season
Feed type
Low-nutrition fertilizer or none
Key timing
early spring
NPK: low N -- too much feed weakens flavour

Like all Mediterranean herbs, over-feeding reduces flavour. One light feed in spring is ideal.

Example product: Espoma Herb-Tone (use sparingly)

Seasonal Care

Mar
Cut Back
Cut back to 2 inches in early spring. Harvest heavily before flowering for best flavor. Divide every 3-4 years.
DirectHarden off required
Direct sow after last frost or buy plants. Harden off transplants.
Container friendly · Minimum 1 gallons
Excellent container herb. Any size pot with good drainage.

Companion Planting

Some plants help Oregano thrive. Others compete or cause problems.

Grows well with
TomatoesPeppers
Keep apart from
Mint

Common Problems

Something went wrong? Here is what likely happened and what to do differently next time.

Frost or cold damage

What happened: Cold or frost at a vulnerable moment -- germination, seedling stage, or transplant -- can set back or kill plants that are not yet established enough to handle it.

Next season: Know your last frost date and work from it. Cover vulnerable plants with fleece when frost threatens, especially in the first few weeks after planting out.

Pests or disease

What happened: Most pest and disease problems are manageable if caught early. Regular checking -- especially undersides of leaves -- is the most effective prevention.

Next season: Check plants weekly and act at the first sign of a problem. Remove affected material promptly. Healthy, well-fed plants in good conditions resist pests better than stressed ones.

Too much water

What happened: Overwatering is one of the most common causes of plant failure. Roots need oxygen as well as moisture -- waterlogged soil suffocates them.

Next season: Water deeply but less often rather than a little every day. Most plants prefer to dry out slightly between waterings. Good drainage is as important as watering.

Too little water

What happened: Drought stress causes wilting, reduced production, and makes plants more susceptible to pest and disease. Stress at critical moments -- germination, flowering, fruiting -- causes the most damage.

Next season: Mulching around plants is the single most effective way to retain soil moisture and reduce watering frequency.

Not enough sun

What happened: Most vegetables and fruits need 6-8 hours of direct sun. In less light they grow slowly, produce poorly, and are more vulnerable to disease.

Next season: Observe your garden through the day and map where the sun falls at different times. Match crops to the light levels available -- shade-tolerant crops for shaded spots, sun-lovers for the brightest beds.

What went wrong

Something didn't work out? Here is what likely happened and what to do differently next season.

Frost or cold damage

What happened: Cold or frost at a vulnerable moment -- germination, seedling stage, or transplant -- can set back or kill plants that are not yet established enough to handle it.

Next season: Know your last frost date and work from it. Cover vulnerable plants with fleece when frost threatens, especially in the first few weeks after planting out.

Pests or disease

What happened: Most pest and disease problems are manageable if caught early. Regular checking -- especially undersides of leaves -- is the most effective prevention.

Next season: Check plants weekly and act at the first sign of a problem. Remove affected material promptly. Healthy, well-fed plants in good conditions resist pests better than stressed ones.

Too much water

What happened: Overwatering is one of the most common causes of plant failure. Roots need oxygen as well as moisture -- waterlogged soil suffocates them.

Next season: Water deeply but less often rather than a little every day. Most plants prefer to dry out slightly between waterings. Good drainage is as important as watering.

Too little water

What happened: Drought stress causes wilting, reduced production, and makes plants more susceptible to pest and disease. Stress at critical moments -- germination, flowering, fruiting -- causes the most damage.

Next season: Mulching around plants is the single most effective way to retain soil moisture and reduce watering frequency.

Not enough sun

What happened: Most vegetables and fruits need 6-8 hours of direct sun. In less light they grow slowly, produce poorly, and are more vulnerable to disease.

Next season: Observe your garden through the day and map where the sun falls at different times. Match crops to the light levels available -- shade-tolerant crops for shaded spots, sun-lovers for the brightest beds.

Pests & Diseases

Know what to look for before it gets out of hand — early identification is the most important step.

What to look for
Clusters of tiny soft insects on new growth and leaf undersides. Leaves curl, yellow, or become sticky with honeydew. Sooty black mold may follow.
Cause
Multiple aphid species. Populations explode rapidly in warm weather.
Organic treatment
Blast off with strong water jet. Apply insecticidal soap or neem oil directly to colonies. Introduce ladybugs or lacewings.
Prevention
Plant marigolds and nasturtiums nearby. Avoid excess nitrogen fertilizer which creates soft, aphid-attractive growth. Encourage beneficial insects.
What to look for
Metallic striped beetles eating leaves and flowers. Most active autumn and spring.
Cause
Chrysolina americana. Affects lavender, rosemary, sage, thyme, marjoram.
Organic treatment
Hand-pick adults and larvae. Shake over a sheet. Pyrethrum spray.
Prevention
Check plants regularly. Avoid hiding spots at base.
What to look for
White coating on leaves. Leaves yellow and drop. Common on sage and mint.
Cause
Various Erysiphe fungi.
Organic treatment
Remove affected leaves. Improve airflow. Neem oil spray.
Prevention
Water at soil level. Ensure good spacing.

Recommended Varieties

  • Greek Oregano (most pungent -- the one you want for cooking)
  • Italian Oregano (milder)
  • Syrian Oregano (very flavourful)
  • Hot and Spicy Oregano (intense)
Greek Oregano is the only variety with strong enough flavour for cooking -- decorative varieties are nearly tasteless.
Crop Rotation — rotate every 0 years
Perennial -- no annual rotation
Avoid planting after: N/A -- permanent planting
Good to follow: N/A -- permanent planting
Fruit trees and perennial shrubs are permanent plantings -- crop rotation does not apply. Choose the planting site carefully as it is permanent.

Storing Your Harvest

Room temp
1 week in water
Fridge
1-2 weeks
Freezer
Strip leaves and freeze dry -- very good
Oregano is actually more flavourful dried. Hang bunches upside down.

Free app · Kickstarter October 2027 · iOS February 2028

Know exactly when to plant, prune, and harvest Oregano

plant uses your ZIP code and real frost data to tell you the right day — not just the right month. Get notified when your planting window opens, when to succession sow, and when to cut back for next season.

Be first to back on Kickstarter · founding grower pricing locked in.

Weather watch

plant monitors these conditions and sends an alert the moment they are forecast for your location.

Frost Warning
Frost warning -- protect tender herbs
Basil, cilantro, and lemongrass are extremely frost-tender. Bring containers inside or cover with fleece tonight. Hardy herbs like thyme, rosemary, and mint are much more frost-tolerant.
HIGH priority
Heat Stress
Heat alert -- herbs may bolt
Heat triggers bolting in cilantro, dill, and parsley. Harvest as much as possible before temperatures peak. Basil, on the other hand, loves heat -- just remove any flowers that appear.
MEDIUM priority

Moon phase planting

Traditional growers have used lunar cycles to time planting and harvest for centuries. The moon affects moisture levels in soil and sap flow in plants.

Above-ground crop
Waxing moon -- new moon to full moon
Plant and harvest on a waxing moon. Energy draws upward into leaves, stems, and fruit. Germination is strongest in the days after the new moon.
Lunar phase guide
New moon → Full moon
Waxing phase
Best for planting above-ground crops. Sap rises, germination is stronger. Good for transplanting.
Full moon → New moon
Waning phase
Best for harvesting, pruning, and root crops. Energy draws downward. Good for dividing perennials.
Full moon
Peak moisture
Avoid planting -- seeds may rot in high-moisture conditions. Good for harvesting crops to eat fresh.
New moon
Rest period
Avoid planting or transplanting. Best for soil preparation, weeding, and composting.

Common questions

In Zone 7, direct sow oregano outdoors Mar 7 - Apr 21 after your last frost of approximately Mar 15. Perennial, near year-round harvest. Heat intensifies flavour in Zone 7 summers.
Zone 7 has an average last spring frost around Mar 15 and a first fall frost around Nov 15. These vary by location — the plant app uses your ZIP code with NOAA data for precision.
Good companions for oregano include Tomatoes, Peppers. Avoid planting near Mint.
Oregano typically takes 60–90 days to harvest in Zone 7. Expected harvest window: May - Nov.

These guides get better when growers share what they know. If something's off or you've learned something worth passing on, add it here -- accepted tips earn you a Founding Grower badge when plant launches.

Your tip for growing Oregano

Your name (optional)

Your zone

Your email (optional)

Tips are reviewed before publishing. Zone 7 tips appear on nearby zone pages too.

Thanks for contributing! We'll review your tip and be in touch before launch.

What needs correcting?

What should it say?

Your email (optional)

Thanks -- we'll review this and update the guide if needed.
Herbs