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.

The USDA zone info for Round Rock should be reviewed to figure out when it's possible to plant basil.

Planting Calendar for Basil

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

You really shouldn't plant basil until after the last frost when the weather gets warmer because they are not cold tolerant.

The earliest that you can plant basil in Round Rock 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 the last frost is on March 15 in Round Rock. It might get as low as 15°F during the coldest months of winter.

Keep in mind that USDA zone info for Round Rock is just an average and the actual date of last frost changes from year to year. Since half of the time in Round Rock it frosts late in the year after March 15 be ready to protect your basil if you have one of those late frosts.

USDA Zone Info for Round Rock

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°F

This means that on a really cold year, the coldest it will get is 15°F. On most years you should be prepared to experience lows near 20°F.

Plants to Grow in Round Rock

You may be interested in your other planting guides for Round Rock.