When can I plant Cucumbers in Zone 10a

One of the first steps we take when we are getting a good idea our gardening schedule is find our 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 reviewing the USDA zone info for Zone 10a it's possible to figure out when you can plant cucumbers.


Planting Calendar for Cucumbers

Frost tolerance for cucumbers: Not tolerant of frost.
When you should plant them: After the last frost.

You should not plant cucumbers until after all chance of frost has passed because they require warm weather.

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

The earliest that you can plant cucumbers in Zone 10a 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 cucumbers and expect a good harvest is probably September. Any later than that and your cucumbers may not have a chance to fully mature. Starting your cucumbers indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is January 31 in Zone 10a. In the coldest months of winter we can expect an average low temperature of 30°F.

Since the USDA zone info for Zone 10a is not always accurate our actual date of last frost will vary from year to year. Since half of the time in Zone 10a we get surprised by a frost after January 31 be ready to protect your cucumbers in the event of a late frost.

USDA Zone Info for Zone 10a

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)January 31
Average Date of First Frost (fall)December 15
Lowest Expected Low30°F
Highest Expected Low35°F

This means that on a really cold year, the coldest it will get is 30°F. On most years you should be prepared to experience lows near 35°F.

Plants to Grow in Zone 10a

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