When to plant in Morongo Valley, CA

Planting dates worked out from Morongo Valley's own frost records, not a generic zone chart.

Safe to plant out

Mar 19

1 year in 10 has a later frost

Average last frost

Feb 18

about a 50% chance of a later one

Average first fall frost

Dec 12

1 year in 10 by Nov 24

Frost-free days

304

median, 1991–2020

Station used: Beaumont California · 36.4 km away · station 794 m, town 787 m. How we match towns to stations

This season

Plan your garden.

Crop	Start indoors	Plant out or sow	Harvest from
Tomato	Jan 22 – Feb 5	Mar 19 – Apr 2	May 13
Sweet pepper	Jan 8 – Jan 22	Mar 19 – Apr 2	May 18
Lettuce (leaf)	Dec 17 – Dec 24	Jan 21 – Feb 4	Mar 2
Peas	—	Jan 7 – Feb 4	Mar 3
Bush beans	—	Mar 12 – Apr 2	May 1
Carrot	—	Jan 28 – Mar 11	Mar 29
Beet	—	Jan 21 – Mar 4	Mar 12
Potato	—	Jan 28 – Feb 18	Apr 8
Kale	Dec 10 – Dec 24	Jan 21 – Feb 4	Mar 5
Broccoli	Dec 10 – Dec 24	Jan 21 – Feb 11	Mar 22
Cucumber	Feb 19 – Feb 26	Mar 19 – Apr 2	May 8
Summer squash and zucchini	Feb 19 – Feb 26	Mar 19 – Apr 2	May 3
Winter squash	Feb 19 – Feb 26	Mar 19 – Apr 2	Jun 7
Sweet corn	—	Mar 12 – Apr 2	May 11
Onion (from sets)	—	Jan 21 – Feb 11	Apr 21
Garlic	—	Nov 28 – Dec 26 (fall)	following summer
Spinach	—	Jan 7 – Feb 4	Feb 14
Basil	Feb 5 – Feb 19	Mar 19 – Apr 2	May 15

How the growing season has shifted here, year by year, from the station's own records.

Each year's last spring frostLong-term trend

See the data as a table

Each year's frost-free daysLong-term trend

See the data as a table

Each year's average temperature, April to SeptemberLong-term trend

See the data as a table

What this means for you: This station's record is too short to show a reliable trend yet.

Source: daily records from Beaumont California (NOAA GHCN-Daily). Years with too many missing days are left out.