When to plant thyme 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 thyme.
Note: winters in zone 4a are usually too cold for thyme to survive outdoors. Grow it in a large pot and move it into a garage or indoors for winter.
Your thyme calendar for zone 4a
- Mar 17: Start thyme seeds indoors (or buy plants later)
- May 12: Plant thyme in the bed
- Jul 21: Start picking thyme
Likes it on the dry side. Plant near the edge of the bed.
Spacing in a raised bed: 4 plants 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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