
When to plant rhubarb in zone 3a
In zone 3a, the last spring frost usually comes around May 20 and the first fall frost around Sep 10. Here is when to plant rhubarb.
Plant in the bedApr 22
Your rhubarb calendar for zone 3a
- Apr 22: 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 3a. 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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