When Is the Last Frost?

Hume, CA frost dates

Last spring frostJun 1median date
First fall frostOct 7median date
Growing season128 daysfrost-free
Hardiness zone7bZone 7b

How Hume compares

Frost probability

Last spring frost
Chance of frost afterDate
90% (early)May 11
50% (median)June 1
10% (safe for tender plants)June 15
First fall frost
Chance of frost beforeDate
10% (early)September 19
50% (median)October 7
90% (late)October 30

Frost here means 32°F (0°C). A median date means half of years have their last frost earlier and half later.

Planting calendar for Hume, CA

Hume, CA frost dates — last frost Jun 1, first frost Oct 7, zone 7b. whenisthelastfrost.com

Crop
JFMAMJJASOND
Start indoors: Mar 9 to Mar 23Transplant outside: May 4 to May 18
Start indoors: Mar 23 to Apr 6Transplant outside: Jun 15 to Jun 29
Start indoors: Mar 23 to Apr 6Transplant outside: Jun 15 to Jun 29
Start indoors: Apr 6 to Apr 20Transplant outside: Jun 8 to Jun 22
Start indoors: Apr 6 to Apr 20Transplant outside: May 11 to May 25Sow outdoors: May 4 to Jun 8Plant for fall: Aug 12 to Sep 9
Start indoors: Apr 6 to Apr 20Transplant outside: May 4 to May 18Sow outdoors: May 4 to May 18Plant for fall: Jul 29 to Aug 19
Start indoors: Apr 6 to Apr 20Transplant outside: May 18 to Jun 1Plant for fall: Jul 1 to Jul 22
Start indoors: Apr 6 to Apr 20Transplant outside: May 11 to May 25Plant for fall: Jul 1 to Jul 22
Start indoors: Apr 6 to Apr 20Transplant outside: May 18 to Jun 1Plant for fall: Jul 1 to Jul 22
Start indoors: Apr 20 to May 4Transplant outside: Jun 22 to Jul 6Sow outdoors: Jun 22 to Jul 6
Start indoors: Apr 20 to May 4Transplant outside: Jun 8 to Jun 22
Sow outdoors: Apr 20 to May 11Plant for fall: Jul 15 to Aug 5
Sow outdoors: Apr 20 to May 11Plant for fall: Aug 12 to Sep 2
Sow outdoors: Apr 27 to Jun 8Plant for fall: Aug 26 to Sep 16
Start indoors: May 4 to May 11Transplant outside: Jun 15 to Jun 22Sow outdoors: Jun 8 to Jun 22Plant for fall: Jul 22 to Aug 5
Start indoors: May 4 to May 11Sow outdoors: Jun 8 to Jun 22Plant for fall: Jul 29 to Aug 12
Start indoors: May 4 to May 11Sow outdoors: Jun 8 to Jun 22
Start indoors: May 4 to May 11Transplant outside: Jun 15 to Jun 29
Sow outdoors: May 11 to Jun 8Plant for fall: Jul 15 to Jul 29
Sow outdoors: May 11 to Jun 8Plant for fall: Jul 29 to Aug 12
Sow outdoors: May 11 to Jun 1
Sow outdoors: May 18 to Jun 15Plant for fall: Jul 29 to Aug 12
Sow outdoors: May 18 to Jun 8Plant for fall: Aug 12 to Sep 2
Sow outdoors: Jun 8 to Jun 29Plant for fall: Jul 22 to Aug 5
Sow outdoors: Jun 8 to Jun 22
Transplant outside: Jun 15 to Jul 6
Plant for fall: Sep 23 to Oct 28
Start indoorsTransplant outsideSow outdoorsPlant for fallMedian frost dates

When to plant vegetables in Hume, CA

CropStart indoorsTransplantSow outdoorsFall crop
OnionsMar 9 – Mar 23May 4 – May 18——
PeppersMar 23 – Apr 6Jun 15 – Jun 29——
EggplantMar 23 – Apr 6Jun 15 – Jun 29——
TomatoesApr 6 – Apr 20Jun 8 – Jun 22——
LettuceApr 6 – Apr 20May 11 – May 25May 4 – Jun 8Aug 12 – Sep 9
KaleApr 6 – Apr 20May 4 – May 18May 4 – May 18Jul 29 – Aug 19
BroccoliApr 6 – Apr 20May 18 – Jun 1—Jul 1 – Jul 22
CabbageApr 6 – Apr 20May 11 – May 25—Jul 1 – Jul 22
CauliflowerApr 6 – Apr 20May 18 – Jun 1—Jul 1 – Jul 22
OkraApr 20 – May 4Jun 22 – Jul 6Jun 22 – Jul 6—
BasilApr 20 – May 4Jun 8 – Jun 22——
Peas——Apr 20 – May 11Jul 15 – Aug 5
Spinach——Apr 20 – May 11Aug 12 – Sep 2
Radishes——Apr 27 – Jun 8Aug 26 – Sep 16
CucumbersMay 4 – May 11Jun 15 – Jun 22Jun 8 – Jun 22Jul 22 – Aug 5
Zucchini & Summer SquashMay 4 – May 11—Jun 8 – Jun 22Jul 29 – Aug 12
Winter Squash & PumpkinsMay 4 – May 11—Jun 8 – Jun 22—
Melons & WatermelonMay 4 – May 11Jun 15 – Jun 29——
Carrots——May 11 – Jun 8Jul 15 – Jul 29
Beets——May 11 – Jun 8Jul 29 – Aug 12
Potatoes——May 11 – Jun 1—
Swiss Chard——May 18 – Jun 15Jul 29 – Aug 12
Cilantro——May 18 – Jun 8Aug 12 – Sep 2
Green Beans——Jun 8 – Jun 29Jul 22 – Aug 5
Sweet Corn——Jun 8 – Jun 22—
Sweet Potatoes—Jun 15 – Jul 6——
Garlic———Sep 23 – Oct 28

Dates come from the median frost dates and common extension-service timing. Adjust for your soil temperature, microclimate and the varieties you grow.

About these dates

Based on 1991–2020 NOAA climate normals for the Grant Grove, CA weather station, 2 km away (elevation 6,581 ft (2,006 m)).

Frost dates near Hume

Frequently asked questions

When is the last frost in Hume, CA?

The median last spring frost in Hume, CA is June 1. There is still about a 10% chance of frost after June 15, so wait until then to plant frost-tender crops like tomatoes and peppers.

When is the first frost in Hume, CA?

The median first fall frost is October 7, with about a 10% chance of frost before September 19.

How long is the growing season in Hume, CA?

About 128 days between the median last spring frost and first fall frost.

What planting zone is Hume, CA?

Hume, CA is in USDA hardiness zone 7b.

Check another location