When to Plant Potatoes in Zone 9
In USDA zone 9a, plant outdoors February 15 to May 16, and expect your first harvest around May 16. (9a shown here — see 9a and 9b dates separately below.)
Potatoes planting calendar for USDA Zone 9a
Average last spring frost
March 1
Average first fall frost
December 1
Direct sow
Feb 15
Projected first harvest
May 16
Most potatoes mature in about 70 to 110 days depending on the variety, needing roughly 275 frost-free days in zone 9a.
Potatoes planting calendar for USDA Zone 9b
Average last spring frost
February 15
Average first fall frost
December 15
Direct sow
Feb 1
Projected first harvest
May 2
Most potatoes mature in about 70 to 110 days depending on the variety, needing roughly 303 frost-free days in zone 9b.
Not sure whether you're in 9a or 9b? Set your ZIP in HomeSown for dates tuned to your exact location.
Varieties to grow
10 varieties of potatoes in the HomeSown library. Tap any for its full grow guide.
Common problems with potatoes
What to watch for, with identification and treatment for each
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