One of the first steps you take when you are determining your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The first chance to plant squash in Calipatria can be estimated by reviewing the USDA zone info.

Planting Calendar for Squash

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

It's probably a bad idea to plant squash until after the last frost when the weather gets warmer because they require warm weather.

The earliest that you can plant squash 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 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 fully mature. Starting your squash indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is February 15 in Calipatria. In the coldest months of winter you should expect an average low temperature of 25°F.

Keep in mind that USDA zone info for Calipatria is just an average and the actual date of last frost will vary from year to year. Since half of the time in Calipatria you get a frost after February 15 be ready to protect your squash if you have one of those late frosts.

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.