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

A common way of making a decision about when to plant pentas is to use the USDA zone info for Midlothian.

Planting Calendar for Pentas

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

Since pentas do not do well in cold weather you need to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant pentas in Midlothian 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 pentas and expect a good harvest is probably August. You probably don't want to wait any later than that or else your pentas may not have a chance to fully mature. If you are starting your pentas indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

The average date of last frost is March 15 in Midlothian. It might get as low as 10°F during the coldest months of winter.

Just be sure to remember that USDA zone info for Midlothian is just an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in Midlothian it frosts late in the year after March 15 be ready to cover your pentas in the event of one of those late frosts.

USDA Zone Info for Midlothian

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 Midlothian

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