One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

One way of getting a good idea when to plant basil is to refer to the USDA zone info for Richmond.

Planting Calendar for Basil

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

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

The earliest that you can plant basil in Richmond is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant basil and expect a good harvest is probably August. 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 little bit earlier by starting your basil indoors.

Last Frost Date

On average all chance of frost has passed is on April 15 in Richmond. You should expect an average low temperature of -5°F in the coldest months of winter.

It's important to remember that USDA zone info for Richmond is an average and the actual date of last frost changes from year to year. Half of the time in Richmond you get surprised by a frost after April 15 so always be ready to cover your basil in the event of a surprise late frost.

USDA Zone Info for Richmond

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Richmond

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