One of the first steps you take when you are estimating your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

It's a good idea to figure out when to plant basil by looking at the USDA zone info for Chino Hills.

Planting Calendar for Basil

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

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

The earliest that you can plant basil in Chino Hills 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. Any later than that and your basil may not have a chance to really do well. Starting your basil indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average the last frost is on January 31 in Chino Hills. It might get as low as 30°F during the coldest months of winter.

Since the USDA zone info for Chino Hills is an average the actual date of last frost changes from year to year. Since half of the time in Chino Hills you get a frost after January 31 be ready to protect your basil if you have a late frost.

USDA Zone Info for Chino Hills

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 Chino Hills

You may be interested in your other planting guides for Chino Hills.