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

You can estimate when it's the best time to plant lithospermum in Arkadelphia by reviewing the USDA zone info.

Planting Calendar for Lithospermum

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

Since lithospermum require warm weather it is necessary to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant lithospermum in Arkadelphia 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 grow to maturity. You can get started a few weeks earlier by starting your lithospermum indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on March 15 in Arkadelphia. You should expect an average low temperature of 10°F in the coldest months of winter.

It's important to remember that USDA zone info for Arkadelphia is an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in Arkadelphia you get a frost after March 15 be ready to protect your lithospermum if you have one of those late frosts.

USDA Zone Info for Arkadelphia

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 Arkadelphia

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