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Can You Grow Lemongrass in New Brunswick?

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

Won't grow here

Lemongrass is frost-tender but excellent as a container plant that overwinters indoors.

Plant zones

8b–11b

New Brunswick last frost

mid-April

New Brunswick first frost

mid-October

Days to harvest

75–100 days

When to plant Lemongrasses in New Brunswick

Start indoors

Feb 17

Transplant

Apr 15

Harvest

Jun 29 – Jul 24

Dates are approximate, based on New Brunswick's average frost dates. Your exact yard may vary by microclimate.

About Lemongrass

Lemongrass is a tropical grass used throughout Southeast Asian, Indian, and Caribbean cooking. The fragrant stalks flavour curries, soups, and teas. In cold zones, grow as a container plant and overwinter indoors.

In cold zones, start indoors 8 weeks before last frost in a large pot. Bring indoors before frost. Divide clumps every 2-3 years. Harvest outer stalks 12 inches tall. Loves heat and full sun.

Full lemongrass growing guide →

Gardening in New Brunswick

New Brunswick has a maritime continental climate. The Saint John River Valley is Zone 5b-6a. Four distinct seasons with a productive 5-6 month growing season. Known for potatoes, blueberries, and fiddleheads.