When to plant rosemary 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 rosemary.
Note: winters in zone 5b are usually too cold for rosemary to survive outdoors. Grow it in a large pot and move it into a garage or indoors for winter.
Your rosemary calendar for zone 5b
- May 5: Plant rosemary in the bed
- Jul 24: Start picking rosemary
Hardy outdoors in zone 7 and warmer. In colder areas, grow it in a pot and bring it in for winter.
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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