California planting calendar

When to plant bush beans in California — sow, transplant & harvest dates

California is mostly USDA zone 9b (range 5a-11a). Dates below are derived from bush beans's frost tolerance and California's frost window — not generic national averages.

Bush beans planting timetable for California

Stage	When in California	Anchor
Direct-sow / set out (spring crop)	late February (February 25)	10 days after the last frost (mid-February (coast) to late April (interior))
Spring-crop harvest	late April onward, before peak summer heat	55-day crop — finishes before mid-summer
Plant the fall crop	late August (August 27) — once the worst heat breaks	~80 days before the first fall frost (mid-November (coast) to mid-October (interior))
Fall-crop harvest	late October into early winter	55-day crop — often the more productive of the two

Dates are state-wide averages for the dominant zone. Local microclimates — elevation, urban heat, coastal moderation — can shift the window by 1-2 weeks. Use the frost-date calculator for a date tuned to your town.

Why California's climate shifts the bush beans dates

California's long hot summer shuts down fruit set, so locals run two short crops — a spring planting and a fall planting — around a deliberate mid-summer pause, instead of one long northern-style season. California packs more climate diversity than almost any state — alpine mountains, Mediterranean coast, Central Valley farmland, and desert. Coastal and valley areas grow year-round.

Bush beans hate cold, wet soil — seed will rot below 16 °C. Wait 7-14 days after the last spring frost and sow direct in warm soil. Succession-plant every 2-3 weeks for a continuous harvest.

Frost-risk note

A light frost in the high Sierra Nevada (zone 5a-6a) can clip an early spring planting; the bigger risk is mid-summer heat sterilising flowers.

Regional variation within California

the southern coast and Imperial Valley (zone 11a) can start the spring crop weeks earlier and may garden almost year-round; the high Sierra Nevada (zone 5a-6a) runs a shorter, more northern-style single season.

Los Angeles — USDA zone 10b
San Francisco — USDA zone 10b
Sacramento — USDA zone 9b
San Diego — USDA zone 10b
Fresno — USDA zone 9b

What else to plant in California around then

Pair the spring slot with other heat-lovers (peppers, squash, beans); use the cool October–February window for greens and brassicas.

Quick-grow guide

Sun: Full sun — 6-8 hours direct.
Soil temperature for germination: 18-29 °C (65-85 °F).
Spacing: 4-6 inches (10-15 cm) between plants.
Days to harvest: ~55 days from planting out.

Frequently asked questions

When is the best time to plant bush beans in California?

In California (mostly USDA zone 9b), set the spring crop out late February, harvest before peak summer heat, then plant a second crop late August for an autumn harvest. Avoid mid-summer. Bush beans are frost-tender — a single light frost kills seedlings, so they only go outside once frost danger has fully passed and the soil is warm.

What USDA zone is California?

Most of California sits in USDA hardiness zone 9b, with the state spanning roughly 5a-11a from the high Sierra Nevada (zone 5a-6a) to the southern coast and Imperial Valley (zone 11a). The last spring frost averages mid-February (coast) to late April (interior) and the first fall frost mid-November (coast) to mid-October (interior).

Can you grow bush beans in California?

Yes. California's dominant zone 9b supports bush beans — the key is timing. Bush beans are frost-tender — a single light frost kills seedlings, so they only go outside once frost danger has fully passed and the soil is warm.

Does the planting date change across California?

What else can I plant in California around the same time?

Pair the spring slot with other heat-lovers (peppers, squash, beans); use the cool October–February window for greens and brassicas.

Source and methodology

State zone spans from the USDA Plant Hardiness Zone Map (2023); frost-date averages from NOAA Climate Data Online. Hot-state two-season timing cross-checked against the UF/IFAS Florida Gardening Calendar and the University of Arizona Cooperative Extension planting calendar. Curated by the Growli editorial team.