The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

One way of determining when it's a good idea to plant lithospermum is to consult the USDA zone info for Lone Grove.

Planting Calendar for Lithospermum

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

Since lithospermum do not do well in cold weather you really should wait until after the last frost before you can plant them.

The earliest that you can plant lithospermum in Lone Grove 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. Any later than that and your lithospermum may not have a chance to fully mature. You can get started a few weeks earlier by starting your lithospermum indoors.

Last Frost Date

On average the last frost has passed is on April 15 in Lone Grove. In the coldest months of winter you should expect an average low temperature of 5°F.

Since the USDA zone info for Lone Grove is not always accurate the actual date of last frost changes from year to year. Since half of the time in Lone Grove you get a frost after April 15 be ready to protect your lithospermum if you have a surprise late frost.

USDA Zone Info for Lone Grove

Here is the info for USDA Zone 7b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	5°F
Highest Expected Low	10°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 10°F.

Plants to Grow in Lone Grove

You may be interested in your other planting guides for Lone Grove.