When to Plant Pumpkins in Westminster, CA

One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Westminster can be used to determine when it's a good idea to plant pumpkins.


Planting Calendar for Pumpkins

Frost tolerance for pumpkins: Not tolerant of frost.
When to plant: After the last frost.

Since pumpkins are not cold tolerant you need to wait until after the last frost when the weather gets warmer before you can plant them.

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

The earliest that you can plant pumpkins in Westminster 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 pumpkins and expect a good harvest is probably September. You probably don't want to wait any later than that or else your pumpkins may not have a chance to really do well. You can get started a little bit earlier by starting your pumpkins indoors.

Last Frost Date

On average the last frost is on January 31 in Westminster. In the coldest months of winter you can expect an average low temperature of 35°F.

It's important to remember that USDA zone info for Westminster is an average and the actual date of last frost changes from year to year. Since half of the time in Westminster there is a last frost after January 31 be ready to cover your pumpkins if you have a late frost.

USDA Zone Info for Westminster

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 Westminster

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