One of the first steps you take when you are determining your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You will be able to determine when it's the best time to plant basil by looking at the USDA zone info for Seal Beach.

Planting Calendar for Basil

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

Since basil require warm weather it's important to wait until after the last frost before you can plant them.

The earliest that you can plant basil in Seal 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 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 really do well. Starting your basil indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

In Seal Beach the average date of last frost happens on January 31. You should expect an average low temperature of 35°F in the coldest months of winter.

Always keep in mind that USDA zone info for Seal Beach is just an average and the actual date of last frost changes from year to year. Half of the time in Seal Beach last frost occurs after January 31 so just be sure to be ready to protect your basil if you have a surprise late frost.

USDA Zone Info for Seal 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 Seal Beach

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