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Can You Grow Thyme in Ontario?

Canada · Canadian Zone 5 · zones 3, 4, 5, 6, 7

Grows well here

Thyme grows easily here as a perennial — plant once and harvest for years.

Plant zones

4a–9b

Ontario last frost

mid-April

Ontario first frost

mid-October

Days to harvest

Perennial

About Thyme

Thyme is a drought-tolerant cold-hardy herb that thrives in poor soil and full sun.

Plant in well-drained soil — thyme rots in wet conditions. Prune after flowering to keep compact. Excellent for containers and rock gardens. Cut stems for drying just as flowers open.

Full thyme growing guide →

Gardening in Ontario

Ontario spans several climate zones. Northern Ontario is Zone 3-4 with short seasons; southern Ontario is Zone 5-7 with long productive seasons. The Niagara Peninsula is one of Canada's premier fruit-growing regions.

See what grows well in Ontario →

Frequently asked questions

Can you grow Thyme in Ontario?

Thyme grows easily here as a perennial — plant once and harvest for years.

What zone is Ontario?

Ontario spans Canadian Zone 5 (3, 4, 5, 6, 7).

When do you plant Thyme in Ontario?

See the planting guide for Thyme — timing depends on your exact frost date.