One of the first steps you take when you are determining your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Memphis you can determine when to plant pentas by checking out the USDA zone info.

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 need to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant pentas in Memphis 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 couple of weeks earlier by starting your pentas indoors.

Last Frost Date

On average the last frost has passed is on April 15 in Memphis. It might get as low as 5°F during the coldest months of winter.

Just be sure to remember that the actual date of last frost is not always accurate because it is based on the USDA zone info for Memphis and it will vary from year to year. Since half of the time in Memphis you get surprised by a frost after April 15 be ready to protect your pentas if you have a late frost.

USDA Zone Info for Memphis

Here is the info for USDA Zone 7b.

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

This means that on a really cold year, the coldest it will get is 5°F. On most years you should be prepared to experience lows near 10°F.

Plants to Grow in Memphis

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