One of the first steps you take when you are determining 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.

The USDA zone info for Duncan should be used to determine when to plant eggplants.

Planting Calendar for Eggplants

Frost tolerance for eggplants:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

Eggplants are not cold tolerant which means that it is important to wait until it warms up after the last frost before you can plant them.

The earliest that you can plant eggplants in Duncan 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 eggplants and expect a good harvest is probably August. Any later than that and your eggplants may not have a chance to really do well. You can get started a little bit earlier by starting your eggplants indoors.

Last Frost Date

On average the last frost is on April 15 in Duncan. You can expect an average low temperature of 5°F in the coldest months of winter.

Since the USDA zone info for Duncan is just an average the actual date of last frost is different every year. Half of the time in Duncan you get a frost after April 15 so be sure to be ready to cover your eggplants in the event of a late frost.

USDA Zone Info for Duncan

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 Duncan

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