When to plant in Lemon Hill, CA
USDA Zone 9bEverything below — frost dates, hardiness zone, and what to plant when in Lemon Hill, California — is derived from the closest NOAA station with complete climate normals.
Lemon Hill enjoys a long ~303-day frost-free season — you can succession-sow, fit in a second crop, and grow long-season heat-lovers with room to spare. In zone 9b, frost is a minor factor for Lemon Hill — most perennials thrive, and annual vegetables can go out early and stay late.
The average last spring frost in Lemon Hill is now 7 days earlier than in the 1981–2010 normals. See how frost dates are shifting nationwide →
Frost probability
SACRAMENTO EXECUTIVE 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 Lemon Hill’s own odds, recorded at SACRAMENTO EXECUTIVE AP.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | Apr 10 | Mar 14 | Feb 13 | Nov 4 | Nov 18 | Dec 3 |
| 32°F | Mar 5 | Feb 2 | Jan 2 | Nov 16 | Dec 2 | Jan 2 |
| 28°F | Feb 1 | Jan 4 | Dec 12 | Nov 30 | Dec 16 | Jan 14 |
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 Lemon Hill, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 23 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.
Lemon Hill planting FAQ
When is the last spring frost in Lemon Hill, CA?
Lemon Hill's average last spring frost falls near February 2 — the 50% mark at 32°F in the 1991–2020 normals. Hold tender transplants until the risk has passed, then plant out.
When is the first fall frost in Lemon Hill, CA?
In Lemon Hill, the first 32°F freeze of fall lands around December 2 on average. Time your last harvests and any season-extension cover before it.
What hardiness zone is Lemon Hill in?
Lemon Hill is in USDA hardiness zone 9b. In zone 9b, winters are mild — many tender perennials overwinter here.
How long is the growing season in Lemon Hill?
Lemon Hill has about 303 frost-free days — a long growing season — between the average last spring frost (February 2) and first fall frost (December 2).
When should I plant tomatoes in Lemon Hill?
For Lemon Hill, sow tomatoes indoors about December 8–December 22 and move the seedlings out around February 9, after the last spring frost.
Never miss a window in Lemon Hill
An email when it’s time to start seeds, transplant, and sow — timed to Lemon Hill’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Parkway · 2 km
- Sacramento · 6 km
- Florin · 6 km
- West Sacramento · 9 km
- Rosemont · 9 km
- La Riviera · 11 km
- Arden-Arcade · 11 km
- Vineyard · 13 km
Frost dates recorded at SACRAMENTO EXECUTIVE AP, 3 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 Lemon Hill, CA — Frost Dates & Zone 9b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USW00023232. Retrieved from https://blissgarden.com/california/lemon-hill.