One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Duncanville should be used to determine when to plant impatiens.

Planting Calendar for Impatiens

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

It's not a good idea to plant impatiens until after the last frost has passed because they do not do well in cold weather.

The earliest that you can plant impatiens in Duncanville 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. You probably don't want to wait any later than that or else your impatiens may not have a chance to really do well. Starting your impatiens indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is March 15 in Duncanville. It might get as low as 10°F during the coldest months of winter.

Since the USDA zone info for Duncanville may not be accurate from year to year the actual date of last frost is different every year. Since half of the time in Duncanville it frosts late in the year after March 15 be ready to protect your impatiens in the event of one of those late frosts.

USDA Zone Info for Duncanville

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°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 15°F.

Plants to Grow in Duncanville

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