When to plant in Arden-Arcade, CA
USDA Zone 9bHere are the average frost dates, USDA hardiness zone, and a month-by-month planting calendar for Arden-Arcade, California — all computed from Arden-Arcade's nearest NOAA weather station.
Arden-Arcade enjoys a long ~338-day frost-free season — you can succession-sow, fit in a second crop, and grow long-season heat-lovers with room to spare. Zone 9b is warm enough that Arden-Arcade can grow subtropical perennials, and the short (or absent) frost period barely limits the annual calendar.
The average last spring frost in Arden-Arcade 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 Arden-Arcade’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 Arden-Arcade, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 21 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.
Arden-Arcade planting FAQ
When is the last spring frost in Arden-Arcade, CA?
Arden-Arcade's average last spring frost falls near January 12 — 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 Arden-Arcade, CA?
In Arden-Arcade, the first 32°F freeze of fall lands around December 16 on average. Time your last harvests and any season-extension cover before it.
What hardiness zone is Arden-Arcade in?
Arden-Arcade is in USDA hardiness zone 9b. In zone 9b, winters are mild — many tender perennials overwinter here.
How long is the growing season in Arden-Arcade?
There are roughly 338 frost-free days in Arden-Arcade (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 Arden-Arcade?
In Arden-Arcade, 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 Arden-Arcade
An email when it’s time to start seeds, transplant, and sow — timed to Arden-Arcade’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- La Riviera · 4 km
- Carmichael · 6 km
- Rosemont · 6 km
- North Highlands · 8 km
- Sacramento · 8 km
- Foothill Farms · 10 km
- Rio Linda · 11 km
- Lemon Hill · 11 km
Frost dates recorded at SACRAMENTO 5 ESE, 6 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 Arden-Arcade, CA — Frost Dates & Zone 9b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USW00023271. Retrieved from https://blissgarden.com/california/arden-arcade.