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

A way of making a decision about when it's the best time to plant impatiens is to use the USDA zone info for De Soto.

Planting Calendar for Impatiens

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

Since impatiens require warm weather it is necessary to wait until after the last frost before you can plant them.

The earliest that you can plant impatiens in De Soto 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. Any later than that and your impatiens may not have a chance to fully mature. Starting your impatiens indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average the last frost has passed is on April 15 in De Soto. In the coldest months of winter you should expect an average low temperature of -10°F.

Since the USDA zone info for De Soto is an average the actual date of last frost is different every year. Half of the time in De Soto you get a frost after April 15 so make sure that you are prepared to cover your impatiens in the event of a surprise late frost.

USDA Zone Info for De Soto

Here is the info for USDA Zone 6a.

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

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

Plants to Grow in De Soto

You may be interested in your other planting guides for De Soto.