One of the first steps you take when you are getting a good idea 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.

The earliest that you can plant basil in Claremont can be figured out 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 require warm weather you need to wait until after the last frost before you can plant them.

The earliest that you can plant basil in Claremont is March. However, you really should wait until April 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 fully mature. You can get started a little bit earlier by starting your basil indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on February 15 in Claremont. It might get as low as 25°F during the coldest months of winter.

Always keep in mind that USDA zone info for Claremont is just an average and the actual date of last frost is different every year. Half of the time in Claremont you get surprised by a frost after February 15 so always be ready to cover your basil if you have a surprise late frost.

USDA Zone Info for Claremont

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Claremont

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