When to Plant Cucumbers in Pittsburg, CA

Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The earliest that you can plant cucumbers in Pittsburg should be estimated by referring to the USDA zone info.


Planting Calendar for Cucumbers

Frost tolerance for cucumbers: Not tolerant of frost.
When to plant: After all chance of frost has passed.

Cucumbers do not do well in cold weather which tells us that you need to wait until it warms up after all chance of frost has passed before you can plant them.

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 Pittsburg is March. However, you really should wait until April 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. If you wait any later than that and your cucumbers may not have a chance to fully mature. If you are starting your cucumbers indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

On average all chance of frost has passed is on February 15 in Pittsburg. It might get as low as 25°F during the coldest months of winter.

Keep in mind that USDA zone info for Pittsburg is an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Pittsburg last frost occurs after February 15 so be sure to be ready to protect your cucumbers if you have a surprise late frost.

USDA Zone Info for Pittsburg

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)February 15
Average Date of First Frost (fall)December 15
Lowest Expected Low25°F
Highest Expected Low30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Pittsburg

You may be interested in your other planting guides for Pittsburg.