When do you plant kale in zone 12b?

In USDA hardiness zone 12b (last frost ~Apr 12, 2026, first frost ~Dec 1, 2026): Start seeds indoors Feb 27, 2026–Dec 9, 2026; Start hardening off Mar 31, 2026–Dec 30, 2026; Transplant outdoors Apr 10, 2026–Jan 6, 2027. Exact dates vary by location within the zone.

When to plant kale in zone 12b

A planting schedule for kale in USDA hardiness zone 12b, where the typical last spring frost is around Apr 12, 2026 and the first fall frost around Dec 1, 2026. Dates are computed from NOAA frost normals for a representative location (ZIP 96710) — your exact dates depend on your address.

Kale planting schedule for zone 12b

Start seeds indoorsFeb 27, 2026 – Dec 9, 2026
Start hardening offMar 31, 2026 – Dec 30, 2026
Transplant outdoorsApr 10, 2026 – Jan 6, 2027

Playing it safe with tender crops? Spring frost holds off until about May 15, 2026 in roughly 9 years out of 10.

Want exact kaledates 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 kale growing guide or the whole zone 12b calendar.

Kale in other zones

More crops for zone 12b

Frost dates are NOAA 1991–2020 climate normals for a representative location (ZIP 96710) in zone 12b; your exact dates depend on your address. Schedules are guidance, not guarantees.