One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The USDA zone info for Covina should be used to estimate 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 has passed.

You really shouldn't plant pumpkins until after the last frost because they are not cold tolerant.

The earliest that you can plant pumpkins in Covina 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. Any later than that and your pumpkins may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your pumpkins indoors.

Last Frost Date

The average date of last frost is January 31 in Covina. It might get as low as 30°F during the coldest months of winter.

Remember that the actual date of last frost is not always accurate because it is based on the USDA zone info for Covina and it will vary from year to year. Since half of the time in Covina you get a frost after January 31 be ready to cover your pumpkins in the event of one of those late frosts.

USDA Zone Info for Covina

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	30°F
Highest Expected Low	35°F

This means that on a really cold year, the coldest it will get is 30°F. On most years you should be prepared to experience lows near 35°F.

Plants to Grow in Covina

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