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.

By checking out the USDA zone info for Orange it's possible to determine when it's a good idea to plant basil.

Planting Calendar for Basil

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

Basil do not do well in cold weather which tells us that you need to wait until it warms up after the last frost has passed before you can plant them.

The earliest that you can plant basil in Orange 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. If you are starting your basil indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

On average the last frost is on January 31 in Orange. You can expect an average low temperature of 30°F in the coldest months of winter.

Keep in mind that USDA zone info for Orange is just an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in Orange you get a frost after January 31 be ready to protect your basil if you have a late frost.

USDA Zone Info for Orange

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 Orange

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