When can I plant Squash in Zone 10b

One of the best tools that we have as gardeners to help us determine our gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for our area.

By looking at the USDA zone info for Zone 10b it's possible to determine when you can plant squash.


Planting Calendar for Squash

Frost tolerance for squash: Not tolerant of frost.
When you should plant them: After all chance of frost has passed.

Squash require warm weather which tells us that it's important to wait until it warms up after the last frost has passed before you can plant them.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant squash
Possibly ok, but a risky time to plant squash
Probably not a good time to plant squash

The earliest that you can plant squash in Zone 10b is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant squash and expect a good harvest is probably September. If you wait any later than that and your squash may not have a chance to really do well. You can get started a few weeks earlier by starting your squash indoors.

Last Frost Date

In Zone 10b the average date of last frost happens on January 31. In the coldest months of winter we should expect an average low temperature of 35°F.

Always keep in mind that our actual date of last frost is an average because it is based on the USDA zone info for Zone 10b and it will vary from year to year. Half of the time in Zone 10b it frosts late in the year after January 31 so be sure to be ready to protect your squash in the event of a late frost.

USDA Zone Info for Zone 10b

Here is the info for USDA Zone 10b.

Average Date of Last Frost (spring)January 31
Average Date of First Frost (fall)December 15
Lowest Expected Low35°F
Highest Expected Low40°F

This means that on a really cold year, the coldest it will get is 35°F. On most years you should be prepared to experience lows near 40°F.

Plants to Grow in Zone 10b

You may be interested in our other planting guides for Zone 10b.