When to plant in Foothill Farms, CA
USDA Zone 9bEverything below — frost dates, hardiness zone, and what to plant when in Foothill Farms, California — is derived from the closest NOAA station with complete climate normals.
A generous ~338-day season lets Foothill Farms gardeners direct-sow more and still ripen long-maturity crops like melons and winter squash. These dates come from a station roughly 16 km away, the closest with full normals; terrain around Foothill Farms (elevation, water, pavement) can move your real frost dates a few days either way. Zone 9b is warm enough that Foothill Farms can grow subtropical perennials, and the short (or absent) frost period barely limits the annual calendar.
The average last spring frost in Foothill Farms is now 7 days earlier than in the 1981–2010 normals. See how frost dates are shifting nationwide →
Frost probability
SACRAMENTO 5 ESE · 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 Foothill Farms’s own odds, recorded at SACRAMENTO 5 ESE.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | Mar 11 | Feb 12 | Jan 9 | Nov 15 | Dec 1 | Dec 29 |
| 32°F | Feb 8 | Jan 12 | Dec 18 | Nov 28 | Dec 16 | Jan 14 |
| 28°F | Jan 22 | Dec 31 | Dec 13 | Dec 5 | Dec 25 | Jan 14 |
Download this table as CSV ↓ — every threshold and probability, plus this city’s planting-window dates.
What to plant now
TODAY · JULY 19Nothing new to sow or transplant outdoors in the next few weeks — a seasonal lull. Check the full-year calendar below for the next window.
Full-year planting calendar
Each bar is the exact window to take a planting action in Foothill Farms, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 24 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.
Foothill Farms planting FAQ
When is the last spring frost in Foothill Farms, CA?
Plan for the last spring frost in Foothill Farms around January 12 (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 Foothill Farms, CA?
Expect Foothill Farms's first fall frost near December 16 — a 50% chance of 32°F by that date. Bring in or cover tender crops ahead of it.
What hardiness zone is Foothill Farms in?
Foothill Farms is in USDA hardiness zone 9b. In zone 9b, winters are mild — many tender perennials overwinter here.
How long is the growing season in Foothill Farms?
There are roughly 338 frost-free days in Foothill Farms (a long growing season), running from the average last frost around January 12 to the first fall frost near December 16.
When should I plant tomatoes in Foothill Farms?
In Foothill Farms, start tomato seeds indoors around November 17–December 1, then transplant seedlings outdoors around January 19 once the danger of frost has passed.
Never miss a window in Foothill Farms
An email when it’s time to start seeds, transplant, and sow — timed to Foothill Farms’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- North Highlands · 3 km
- Antelope · 3 km
- Citrus Heights · 5 km
- Carmichael · 7 km
- Rio Linda · 8 km
- Fair Oaks · 9 km
- Roseville · 10 km
- Arden-Arcade · 10 km
Frost dates recorded at SACRAMENTO 5 ESE, 16 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 Foothill Farms, CA — Frost Dates & Zone 9b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USW00023271. Retrieved from https://blissgarden.com/california/foothill-farms.