When do you plant potato in zone 9b?

In USDA hardiness zone 9b (last frost ~Feb 2, 2026, first frost ~Dec 2, 2026): Plant outdoors Feb 4, 2026–Dec 14, 2026. Exact dates vary by location within the zone.

When to plant potato in zone 9b

A planting schedule for potato in USDA hardiness zone 9b, where the typical last spring frost is around Feb 2, 2026 and the first fall frost around Dec 2, 2026. Dates are computed from NOAA frost normals for a representative location (ZIP 94285) — your exact dates depend on your address.

Potato planting schedule for zone 9b

Plant outdoorsFeb 4, 2026 – Dec 14, 2026

Playing it safe with tender crops? Spring frost holds off until about Mar 4, 2026 in roughly 9 years out of 10.

Want exact potatodates for your address, a drag-and-drop bed layout, and reminders when it’s time to sow? Enter your ZIP:

Free on one garden — no credit card. See the full potato growing guide or the whole zone 9b calendar.

Potato in other zones

Zone 4b
Zone 5b
Zone 6b
Zone 7b
Zone 8b

More crops for zone 9b

Leek
Onion
Celery
Arugula
Collard
Kale
Parsley
Beet
Broccoli
Brussels Sprouts
Cabbage
Cauliflower

Frost dates are NOAA 1991–2020 climate normals for a representative location (ZIP 94285) in zone 9b; your exact dates depend on your address. Schedules are guidance, not guarantees.