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 01
Last chance to plant
Apr 01
Last frost
~Mar 15
Days to harvest
60–90 days
Difficulty
Easy
Plant now — Zone 7
Harvest: Year-round

Planting Calendar

In Zone 7, Oregano can be planted outdoors from Mar 01 — the window closes around Apr 01.

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

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What Zone 7 growers say about Oregano
plant team · Zone 7
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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 for Oregano

What you plant near oregano makes a real difference — here's what to plant, when, and why.

Pest deterrent
Tomatoes
Repels aphids
Plant at same time
Peppers
Repels aphids and spider mites
Plant at same time
Keep away from
Mint — Compete aggressively

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.

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Common questions

In Zone 7, direct sow oregano outdoors Mar 1 – Apr 1 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: Year-round.

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.

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