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.

You should be able to determine when it's the best time to plant pumpkins by referring to the USDA zone info for Winters.

Planting Calendar for Pumpkins

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

You can not plant pumpkins until after the last frost when the weather gets warmer because they require warm weather.

The earliest that you can plant pumpkins in Winters 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. Any later than that and your pumpkins may not have a chance to fully mature. 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 Winters. You should expect an average low temperature of 25°F in the coldest months of winter.

Since the USDA zone info for Winters is not always accurate the actual date of last frost will vary from year to year. Half of the time in Winters last frost occurs after February 15 so make sure that you are ready to protect your pumpkins if you have a surprise late frost.

USDA Zone Info for Winters

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 Winters

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