Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Walnut Ridge you can determine when you can plant impatiens by referring to the USDA zone info.

Planting Calendar for Impatiens

Frost tolerance for impatiens:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

It's a bad idea to plant impatiens until after the last frost because they are not cold tolerant.

The earliest that you can plant impatiens in Walnut Ridge 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 impatiens and expect a good harvest is probably August. If you wait any later than that and your impatiens may not have a chance to grow to maturity. If you are starting your impatiens indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

In Walnut Ridge the average date of last frost happens on April 15. You can expect an average low temperature of 5°F in the coldest months of winter.

Since the USDA zone info for Walnut Ridge is just an average the actual date of last frost is different every year. Half of the time in Walnut Ridge it frosts late in the year after April 15 so be sure to be ready to cover your impatiens in the event of a surprise late frost.

USDA Zone Info for Walnut Ridge

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 Walnut Ridge

You may be interested in your other planting guides for Walnut Ridge.