Zone 6 · Herbs Growing Guide

When to Plant Oregano
in Zone 6

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 outdoors
Mar 15 – May 1
Start indoors
Jan 15 – Feb 15
Last Frost
~Apr 1
Days to harvest
60–90 days
Difficulty
Easy
Plant now — Zone 6
Harvest window: Apr – Dec

Planting Calendar

In Zone 6, Oregano should be planted outdoors Mar 15 – May 1, after the average last frost date of approximately Apr 1. Start seeds indoors around Jan 15 – Feb 15 for a head start.

Near year-round harvest in Zone 6. Prune back in late winter to prevent woodiness.

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 6

Near year-round harvest in Zone 6. Prune back in late winter to prevent woodiness.

Feeding Schedule

How often
once a season
Feed type
balanced (10-10-10)
Key timing
early spring

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

Companion Planting for Oregano

What you plant next to oregano makes a real difference — some plants actively help, others compete or attract pests.

Grows well with
  • Tomatoes
  • Peppers
  • Beans
  • Brassicas
Keep away from
  • Basil
  • Mint

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Common questions

In Zone 6, start oregano seeds indoors around Jan 15 – Feb 15, then transplant outdoors Mar 15 – May 1 after your last frost around Apr 1. Near year-round harvest in Zone 6. Prune back in late winter to prevent woodiness.
Zone 6 has an average last spring frost of approximately Apr 1 and a first fall frost around Oct 31. These dates vary by specific location — use your ZIP code in the plant app for precision based on the nearest NOAA weather station.
Good companion crops for oregano include Tomatoes, Peppers, Beans, Brassicas. Avoid planting near Basil, Mint, which can compete for nutrients or attract pests.
Oregano typically takes 60–90 days from transplant or direct sow to harvest in Zone 6. Expected harvest window: Apr – Dec.

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Oregano in other zones
Crop Guides