One of the best tools that you have as gardeners to help us estimate 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.

In Flower Mound you can estimate when it's the best time to plant lithospermum by checking out the USDA zone info.

Planting Calendar for Lithospermum

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

Since lithospermum are not cold tolerant it is important to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant lithospermum in Flower Mound 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. If you wait any later than that and your lithospermum may not have a chance to really do well. Starting your lithospermum indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average all chance of frost has passed is on March 15 in Flower Mound. In the coldest months of winter you should expect an average low temperature of 10°F.

Just be sure to remember that USDA zone info for Flower Mound may not be accurate from year to year and the actual date of last frost will vary from year to year. Since half of the time in Flower Mound there is a last frost after March 15 be ready to protect your lithospermum if you have a surprise late frost.

USDA Zone Info for Flower Mound

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 Flower Mound

You may be interested in your other planting guides for Flower Mound.