One of the first steps you take when you are figuring out 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.

One way of determining when it's a good idea to plant cuphea is to use the USDA zone info for Blytheville.

Planting Calendar for Cuphea

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

Cuphea are not cold tolerant which tells us that it's necessary to wait until it warms up after the last frost before you can plant them.

The earliest that you can plant cuphea in Blytheville 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 cuphea and expect a good harvest is probably August. You probably don't want to wait any later than that or else your cuphea may not have a chance to grow to maturity. You can get started a little bit earlier by starting your cuphea indoors.

Last Frost Date

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

Just be sure to remember that USDA zone info for Blytheville is an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in Blytheville you get a frost after April 15 be ready to cover your cuphea in the event of a surprise late frost.

USDA Zone Info for Blytheville

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 Blytheville

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