Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Calipatria you can estimate when it's possible to plant pumpkins by looking at the USDA zone info.

Planting Calendar for Pumpkins

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

Since pumpkins are not cold tolerant you have to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant pumpkins in Calipatria 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 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. Starting your pumpkins indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is February 15 in Calipatria. It might get as low as 25°F during the coldest months of winter.

Since the USDA zone info for Calipatria is an average the actual date of last frost will vary from year to year. Half of the time in Calipatria it frosts late in the year after February 15 so just be sure to be ready to protect your pumpkins if you have a surprise late frost.

USDA Zone Info for Calipatria

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 Low	25°F
Highest Expected Low	30°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 Calipatria

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