Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Willard you can figure out when it's a good idea to plant lithospermum by referring to 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 do not do well in cold weather you have to wait until after the last frost has passed before you can plant them.

The earliest that you can plant lithospermum in Willard 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 really do well. You can get started a few weeks earlier by starting your lithospermum indoors.

Last Frost Date

On average all chance of frost has passed is on April 15 in Willard. 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 Willard is not always accurate and the actual date of last frost will vary from year to year. Half of the time in Willard it frosts late in the year after April 15 so make sure that you are prepared to cover your lithospermum if you have a late frost.

USDA Zone Info for Willard

Here is the info for USDA Zone 6a.

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

Plants to Grow in Willard

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