One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You can determine when you can plant pumpkins in Corona by looking at the USDA zone info.

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 are not cold tolerant.

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

Last Frost Date

On average the last frost when the weather gets warmer is on February 15 in Corona. You should expect an average low temperature of 25°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Corona is just an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Corona you get surprised by a frost after February 15 so make sure that you are prepared to protect your pumpkins if you have one of those late frosts.

USDA Zone Info for Corona

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 Corona

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