One of the first steps you take when you are making a decision about your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The USDA zone info for Bowie should be used to estimate when it's the best time to plant lithospermum.

Planting Calendar for Lithospermum

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

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 Bowie 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 few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Bowie. You can expect an average low temperature of 0°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Bowie is an average and the actual date of last frost is different every year. Since half of the time in Bowie you get surprised by a frost after April 15 be ready to protect your lithospermum if you have one of those late frosts.

USDA Zone Info for Bowie

Here is the info for USDA Zone 7a.

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

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

Plants to Grow in Bowie

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