Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

It's possible to determine when it's possible to plant squash by checking out the USDA zone info for Corona.

Planting Calendar for Squash

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

Since squash are not cold tolerant you really should wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant squash 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 squash and expect a good harvest is probably September. Any later than that and your squash may not have a chance to fully mature. You can get started a few weeks earlier by starting your squash indoors.

Last Frost Date

On average all chance of frost has passed is on February 15 in Corona. In the coldest months of winter you should expect an average low temperature of 25°F.

Keep in mind that USDA zone info for Corona is an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Corona there is a last frost after February 15 so be sure to be ready to cover your squash in the event of 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.