The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You will be able to determine when it's a good idea to plant pumpkins by checking out the USDA zone info for Calimesa.

Planting Calendar for Pumpkins

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

You can not plant pumpkins until after the last frost when the weather gets warmer because they do not do well in cold weather.

The earliest that you can plant pumpkins in Calimesa 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. If you wait any later than that and 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

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

Since the USDA zone info for Calimesa may not be accurate from year to year the actual date of last frost is different every year. Since half of the time in Calimesa there is a last frost after February 15 be ready to protect your pumpkins if you have one of those late frosts.

USDA Zone Info for Calimesa

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 Calimesa

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