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.

In Highland you can figure out when it's the best time to plant eggplants by looking at the USDA zone info.

Planting Calendar for Eggplants

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

You really shouldn't plant eggplants until after the last frost when the weather gets warmer because they require warm weather.

The earliest that you can plant eggplants in Highland 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. If you wait any later than that and your eggplants may not have a chance to fully mature. You can get started a few weeks earlier by starting your eggplants indoors.

Last Frost Date

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

Since the USDA zone info for Highland is an average the actual date of last frost changes from year to year. Since half of the time in Highland you get surprised by a frost after April 15 be ready to cover your eggplants in the event of one of those late frosts.

USDA Zone Info for Highland

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 Highland

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