
When to plant rhubarb in zone 9a
In zone 9a, the last spring frost usually comes around Mar 1 and the first fall frost around Dec 1. Here is when to plant rhubarb.
Note: rhubarb usually need colder winters than zone 9a gets.
Plant in the bedFeb 1
Your rhubarb calendar for zone 9a
- Feb 1: 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 9a. Your local frost dates may be a week or two different. If a late cold snap is forecast, wait a few days.
Plan your raised bed in 3D. Pick your bed size and material, choose your plants, and get a printable plan with measurements, a shopping list and planting dates for your ZIP code. Free, no sign-up.
Open the free planner →