Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You should be able to figure out when it's a good idea to plant oenothera by looking at the USDA zone info for West Memphis.

Planting Calendar for Oenothera

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

Since oenothera are one of those plants that can tolerate a little bit of cold weather you can plant them a little bit earlier in the year than other plants that might not handle the cold.

The earliest that you can plant oenothera 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 oenothera and expect a good harvest is probably September. You probably don't want to wait any later than that or else your oenothera may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your oenothera indoors.

Last Frost Date

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

Keep in mind that USDA zone info for West Memphis is an average and the actual date of last frost is different every year. Half of the time in West Memphis last frost occurs after April 15 so just be sure to be ready to protect your oenothera in the event of 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.