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.

A common way of estimating when to plant pentas is to check out the USDA zone info for Cookeville.

Planting Calendar for Pentas

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

Since pentas require warm weather you really should wait until after the last frost has passed before you can plant them.

The earliest that you can plant pentas in Cookeville 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. If you wait any later than that and your pentas may not have a chance to grow to maturity. If you are starting your pentas indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

In Cookeville the average date of last frost happens on April 15. It might get as low as 0°F during the coldest months of winter.

Always keep in mind that USDA zone info for Cookeville is an average and the actual date of last frost changes from year to year. Half of the time in Cookeville it frosts late in the year after April 15 so be sure to be ready to protect your pentas if you have a late frost.

USDA Zone Info for Cookeville

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 Cookeville

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