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Can You Grow Rhubarb in Illinois?
US · USDA Zone 5b · zones 4a, 4b, 5a, 5b, 6a
Rhubarb thrives here — it is extremely cold-hardy and needs cold winters to perform well.
Plant zones
Illinois last frost
Illinois 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 Illinois
Illinois has a humid continental climate with hot summers and cold winters. Chicago is Zone 5b-6a; southern Illinois is warmer at Zone 6-7. Classic Midwest growing region.
Frequently asked questions
Can you grow Rhubarb in Illinois?
Rhubarb thrives here — it is extremely cold-hardy and needs cold winters to perform well.
What zone is Illinois?
Illinois spans USDA Zone 5b (4a, 4b, 5a, 5b, 6a).
When do you plant Rhubarb in Illinois?
See the planting guide for Rhubarb — timing depends on your exact frost date.