When to plant in Kingsburg, CA
USDA Zone 9bKingsburg, California frost dates, USDA zone, and a full-year planting calendar, drawn from the nearest NOAA station and tuned to the local season.
With about 276 frost-free days, Kingsburg supports back-to-back plantings; stagger sowings every few weeks to keep beds productive spring through fall. Kingsburg's nearest full-normals station sits about 24 km out, so treat these as a close estimate — local microclimate can nudge your first and last frost. In zone 9b, frost is a minor factor for Kingsburg — most perennials thrive, and annual vegetables can go out early and stay late.
Frost probability
HANFORD MUNI AP · 1991–2020The date the last spring and first fall frost occur, by threshold and probability. A 90% date is later in spring — and earlier in fall — than a 10% date; the 50% · 32°F row is what most gardeners plan around. These are Kingsburg’s own odds, recorded at HANFORD MUNI AP.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | Apr 18 | Mar 25 | Feb 25 | Oct 24 | Nov 9 | Nov 24 |
| 32°F | Mar 21 | Feb 20 | Jan 18 | Nov 6 | Nov 23 | Dec 12 |
| 28°F | Feb 18 | Jan 19 | Dec 17 | Nov 20 | Dec 5 | Jan 9 |
Download this table as CSV ↓ — every threshold and probability, plus this city’s planting-window dates.
What to plant now
TODAY · JULY 19Full-year planting calendar
Each bar is the exact window to take a planting action in Kingsburg, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 30 km · complete 32°F normalsWhen stations disagree by more than a few days, that spread is real microclimate variation — elevation, water, urban heat. Judge which station best matches your own yard.
Kingsburg planting FAQ
When is the last spring frost in Kingsburg, CA?
Plan for the last spring frost in Kingsburg around February 20 (the date it has a 50% chance of a 32°F freeze). Anything frost-sensitive should go out after it.
When is the first fall frost in Kingsburg, CA?
Expect Kingsburg's first fall frost near November 23 — a 50% chance of 32°F by that date. Bring in or cover tender crops ahead of it.
What hardiness zone is Kingsburg in?
Kingsburg is in USDA hardiness zone 9b. In zone 9b, winters are mild — many tender perennials overwinter here.
How long is the growing season in Kingsburg?
Kingsburg has about 276 frost-free days — a long growing season — between the average last spring frost (February 20) and first fall frost (November 23).
When should I plant tomatoes in Kingsburg?
For Kingsburg, sow tomatoes indoors about December 26–January 9 and move the seedlings out around February 27, after the last spring frost.
Never miss a window in Kingsburg
An email when it’s time to start seeds, transplant, and sow — timed to Kingsburg’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reachFrost dates recorded at HANFORD MUNI AP, 24 km from the city center · 1991–2020 NOAA climate normals · zone from the USDA/PRISM 2023 map. How we compute this.
BlissGarden. "When to Plant in Kingsburg, CA — Frost Dates & Zone 9b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USW00053119. Retrieved from https://blissgarden.com/california/kingsburg.