Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You can estimate when it's possible to plant lithospermum in Oak Grove 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.

Since lithospermum require warm weather you have to wait until after the last frost before you can plant them.

The earliest that you can plant lithospermum in Oak 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. 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 Oak Grove. It might get as low as 0°F during the coldest months of winter.

Just be sure to remember that USDA zone info for Oak Grove is an average and the actual date of last frost changes from year to year. Half of the time in Oak Grove you get a frost after April 15 so make sure that you are prepared to cover your lithospermum in the event of a late frost.

USDA Zone Info for Oak Grove

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 Oak Grove

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