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.

You should be able to determine when to plant lithospermum by referring to the USDA zone info for Brownwood.

Planting Calendar for Lithospermum

Frost tolerance for lithospermum:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

Since lithospermum are not cold tolerant it is necessary to wait until after the last frost has passed before you can plant them.

The earliest that you can plant lithospermum in Brownwood 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 lithospermum and expect a good harvest is probably August. You probably don't want to wait any later than that or else your lithospermum may not have a chance to fully mature. Starting your lithospermum indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

The average date of last frost is March 15 in Brownwood. In the coldest months of winter you can expect an average low temperature of 10°F.

Remember that USDA zone info for Brownwood is not always accurate and the actual date of last frost will vary from year to year. Since half of the time in Brownwood you get a frost after March 15 be ready to protect your lithospermum if you have a surprise late frost.

USDA Zone Info for Brownwood

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°F

This means that on a really cold year, the coldest it will get is 10°F. On most years you should be prepared to experience lows near 15°F.

Plants to Grow in Brownwood

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