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.

It's possible to figure out when you can plant pentas by using the USDA zone info for Kingsport.

Planting Calendar for Pentas

Frost tolerance for pentas:	Not tolerant of frost.
When to plant:	After the last frost.

It's not a good idea to plant pentas until after all chance of frost has passed because they are not cold tolerant.

The earliest that you can plant pentas in Kingsport 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. You can get started a few weeks earlier by starting your pentas indoors.

Last Frost Date

The average date of last frost is April 15 in Kingsport. It might get as low as 0°F during the coldest months of winter.

Always keep in mind that the actual date of last frost is not always accurate because it is based on the USDA zone info for Kingsport and it can change quite a bit from year to year. Half of the time in Kingsport it frosts late in the year after April 15 so make sure that you are prepared to protect your pentas if you have a surprise late frost.

USDA Zone Info for Kingsport

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 Kingsport

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