When to plant rhubarb in zone 5b
In zone 5b, the last spring frost usually comes around Apr 28 and the first fall frost around Oct 10. Here is when to plant rhubarb.
Plant in the bedMar 31
Your rhubarb calendar for zone 5b
- Mar 31: Plant rhubarb in the bed (first harvest next year)
Eat only the stalks — the leaves are poisonous. Lasts for many years.
Spacing in a raised bed: 1 plant per 2 × 2 ft.
These dates are estimates from the average frost dates for zone 5b. 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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