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When to plant in Desert Hot Springs, CA

USDA Zone 10a

Desert Hot Springs, California frost dates, USDA zone, and a full-year planting calendar, drawn from the nearest NOAA station and tuned to the local season.

A generous ~293-day season lets Desert Hot Springs gardeners direct-sow more and still ripen long-maturity crops like melons and winter squash. Zone 10a is warm enough that Desert Hot Springs can grow subtropical perennials, and the short (or absent) frost period barely limits the annual calendar.

Station · MORONGO VALLEY N · 14.4 km
Last spring frost
February 25
50% chance · 32°F
First fall frost
December 15
50% chance · 32°F
Growing season
293 days
frost-free
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Frost calendar for Desert Hot SpringsA year-band showing 32°F frost risk from January to December for Desert Hot Springs: last spring frost around February 25, first fall frost around December 15, about 293 frost-free days between.
Shaded months carry frost risk; the clear span is the average frost-free season.

Frost probability

MORONGO VALLEY N · 1991–2020

The 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 Desert Hot Springs’s own odds, recorded at MORONGO VALLEY N.

Frost-probability curves for Desert Hot SpringsProbability of the last spring frost and first fall frost by date at 32°F. The last spring frost is most likely around February 25 and the first fall frost around December 15, giving about 293 frost-free days.
Last spring frostFirst fall frostbold = 32°F · thin = 28°F / 36°F · dot = 50% date · band = 10–90% window
ThresholdSPRING 10%SPRING 50%SPRING 90%FALL 10%FALL 50%FALL 90%
36°FApr 29Mar 31Feb 20Nov 7Dec 1Dec 16
32°FApr 3Feb 25Jan 7Nov 23Dec 15Jan 16
28°FFeb 28Jan 25Dec 20Dec 8Jan 6Feb 14

Download this table as CSV ↓ — every threshold and probability, plus this city’s planting-window dates.

What to plant now

TODAY · JULY 19

Nothing new to sow or transplant outdoors in the next few weeks — a seasonal lull. Check the full-year calendar below for the next window.

Add the next planting windows to your calendar (.ics) ↓

Full-year planting calendar

Start indoorsTransplantDirect sowFall sow

Each bar is the exact window to take a planting action in Desert Hot Springs, drawn to the day from the local frost dates. The dashed line is today.

Nearby weather stations

3 within 15 km · complete 32°F normals

When 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.

MORONGO VALLEY N
Primary
14 km · 959 m elevation
SPRING
Feb 25
FALL
Dec 15
PALM SPRINGS
15 km · 130 m elevation
SPRING
Jan 1
FALL
Dec 31
PALM SPRINGS RGNL AP
15 km · 128 m elevation
SPRING
Jan 9
FALL
Jan 9

Desert Hot Springs planting FAQ

When is the last spring frost in Desert Hot Springs, CA?

Desert Hot Springs's average last spring frost falls near February 25 — 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 Desert Hot Springs, CA?

In Desert Hot Springs, the first 32°F freeze of fall lands around December 15 on average. Time your last harvests and any season-extension cover before it.

What hardiness zone is Desert Hot Springs in?

Desert Hot Springs is in USDA hardiness zone 10a. In zone 10a, winters are mild — many tender perennials overwinter here.

How long is the growing season in Desert Hot Springs?

There are roughly 293 frost-free days in Desert Hot Springs (a long growing season), running from the average last frost around February 25 to the first fall frost near December 15.

When should I plant tomatoes in Desert Hot Springs?

In Desert Hot Springs, start tomato seeds indoors around December 31–January 14, then transplant seedlings outdoors around March 4 once the danger of frost has passed.

Planting reminders

Never miss a window in Desert Hot Springs

An email when it’s time to start seeds, transplant, and sow — timed to Desert Hot Springs’s frost dates. Double opt-in, one-click unsubscribe, no spam.

Nearby cities

8 within reach

Frost dates recorded at MORONGO VALLEY N, 14 km from the city center · 1991–2020 NOAA climate normals · zone from the USDA/PRISM 2023 map. How we compute this.

Cite this page
BlissGarden. "When to Plant in Desert Hot Springs, CA — Frost Dates & Zone 10a." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00045860. Retrieved from https://blissgarden.com/california/desert-hot-springs.
When to Plant in Desert Hot Springs, CA — Frost Dates & Zone 10a — BlissGarden