
When to plant rhubarb in zone 9b
In zone 9b, the last spring frost usually comes around Feb 15 and the first fall frost around Dec 10. Here is when to plant rhubarb.
Note: rhubarb usually need colder winters than zone 9b gets.
Plant in the bedJan 18
Your rhubarb calendar for zone 9b
- Jan 18: 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 9b. 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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