When to plant thyme in zone 4b
In zone 4b, the last spring frost usually comes around May 8 and the first fall frost around Sep 28. Here is when to plant thyme.
Note: winters in zone 4b 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 4b
- Mar 13: Start thyme seeds indoors (or buy plants later)
- May 8: Plant thyme in the bed
- Jul 17: 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 4b. 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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