One of the best tools that you have as gardeners to help us figure out 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.

The earliest that you can plant corn in Imperial Beach should be estimated by referring to the USDA zone info.

Planting Calendar for Corn

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

You can not plant corn until after the last frost has passed because they are not cold tolerant.

The earliest that you can plant corn in Imperial Beach 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 corn and expect a good harvest is probably September. You probably don't want to wait any later than that or else your corn may not have a chance to fully mature. You can get started a few weeks earlier by starting your corn indoors.

Last Frost Date

The average date of last frost is January 31 in Imperial Beach. In the coldest months of winter you can expect an average low temperature of 35°F.

Always keep in mind that the actual date of last frost is an average because it is based on the USDA zone info for Imperial Beach and it is different every year. Since half of the time in Imperial Beach it frosts late in the year after January 31 be ready to protect your corn in the event of a surprise late frost.

USDA Zone Info for Imperial Beach

Here is the info for USDA Zone 10b.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	35°F
Highest Expected Low	40°F

This means that on a really cold year, the coldest it will get is 35°F. On most years you should be prepared to experience lows near 40°F.

Plants to Grow in Imperial Beach

You may be interested in your other planting guides for Imperial Beach.