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Can You Grow Rhubarb in New Brunswick?
Canada · Canadian Zone 5 · zones 4, 5, 6
Rhubarb thrives here — it is extremely cold-hardy and needs cold winters to perform well.
Plant zones
New Brunswick last frost
New Brunswick first frost
Days to harvest
About Rhubarb
Rhubarb is extremely cold-hardy and productive — plant once and harvest stalks every spring for decades.
Plant crowns in spring. Never harvest the first year. Never eat the leaves — they are toxic. Mulch crowns in autumn. Divide every 5-7 years. Rhubarb actually improves after cold winters.
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.
Frequently asked questions
Can you grow Rhubarb in New Brunswick?
Rhubarb thrives here — it is extremely cold-hardy and needs cold winters to perform well.
What zone is New Brunswick?
New Brunswick spans Canadian Zone 5 (4, 5, 6).
When do you plant Rhubarb in New Brunswick?
See the planting guide for Rhubarb — timing depends on your exact frost date.