When to plant oregano in zone 4a
In zone 4a, the last spring frost usually comes around May 12 and the first fall frost around Sep 21. Here is when to plant oregano.
Note: winters in zone 4a are usually too cold for oregano to survive outdoors. Grow it in a large pot and move it into a garage or indoors for winter.
Start seeds indoorsMar 17
Plant in the bedMay 12
Start pickingJul 21
Your oregano calendar for zone 4a
- Mar 17: Start oregano seeds indoors (or buy plants later)
- May 12: Plant oregano in the bed
- Jul 21: Start picking oregano
Spreads over time. Trim it back in early summer.
Spacing in a raised bed: 1 plant per square foot.
These dates are estimates from the average frost dates for zone 4a. Your local frost dates may be a week or two different. If a late cold snap is forecast, wait a few days.
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