The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. 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 basil in Coronado should be figured out by reviewing the USDA zone info.

Planting Calendar for Basil

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

Since basil are not cold tolerant it is necessary to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant basil in Coronado 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 basil and expect a good harvest is probably September. If you wait any later than that and your basil may not have a chance to fully mature. If you are starting your basil indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

The average date of last frost is January 31 in Coronado. It might get as low as 35°F during the coldest months of winter.

Since the USDA zone info for Coronado may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Since half of the time in Coronado last frost occurs after January 31 be ready to protect your basil in the event of a surprise late frost.

USDA Zone Info for Coronado

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 Coronado

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