The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

It's a good idea to figure out when it's the best time to plant penstemon by looking at the USDA zone info for West Memphis.

Planting Calendar for Penstemon

Frost tolerance for penstemon:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Penstemon do well in moderate cold which means that you can start planting them earlier than other plants that might not handle the cold.

The earliest that you can plant penstemon in West Memphis is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant penstemon and expect a good harvest is probably September. Any later than that and your penstemon may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your penstemon indoors.

Last Frost Date

On average the last frost is on April 15 in West Memphis. In the coldest months of winter you should expect an average low temperature of 5°F.

Always keep in mind that USDA zone info for West Memphis is an average and the actual date of last frost will vary from year to year. Since half of the time in West Memphis you get surprised by a frost after April 15 be ready to protect your penstemon if you have a late frost.

USDA Zone Info for West 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 West Memphis

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