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.

You can estimate when it's the best time to plant basil in Somerton by referring to the USDA zone info.

Planting Calendar for Basil

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

Since basil do not do well in cold weather you really should wait until after the last frost before you can plant them.

The earliest that you can plant basil in Somerton 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. You probably don't want to wait any later than that or else your basil may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your basil indoors.

Last Frost Date

The average date of last frost is January 31 in Somerton. In the coldest months of winter you should expect an average low temperature of 30°F.

Since the USDA zone info for Somerton may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Half of the time in Somerton there is a last frost after January 31 so make sure that you are prepared to protect your basil in the event of one of those late frosts.

USDA Zone Info for Somerton

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	30°F
Highest Expected Low	35°F

This means that on a really cold year, the coldest it will get is 30°F. On most years you should be prepared to experience lows near 35°F.

Plants to Grow in Somerton

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