Thyme plant

When to plant thyme in zone 3a

In zone 3a, the last spring frost usually comes around May 20 and the first fall frost around Sep 10. Here is when to plant thyme.

Note: winters in zone 3a 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.

Start seeds indoorsMar 25
Plant in the bedMay 20
Start pickingJul 29

Your thyme calendar for zone 3a

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 3a. 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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Thyme in other zones

See everything to plant in zone 3a →