One of the best tools that you have as gardeners to help us determine 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.

A way of figuring out when to plant eggplants is to refer to the USDA zone info for Warrenton.

Planting Calendar for Eggplants

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

It's probably not a good idea to plant eggplants until after the last frost when the weather gets warmer because they do not do well in cold weather.

The earliest that you can plant eggplants in Warrenton is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant eggplants and expect a good harvest is probably September. Any later than that and your eggplants may not have a chance to grow to maturity. Starting your eggplants indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

The average date of last frost is February 15 in Warrenton. In the coldest months of winter you can expect an average low temperature of 20°F.

Since the USDA zone info for Warrenton may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Half of the time in Warrenton you get a frost after February 15 so make sure that you are ready to cover your eggplants if you have a late frost.

USDA Zone Info for Warrenton

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°F

This means that on a really cold year, the coldest it will get is 20°F. On most years you should be prepared to experience lows near 25°F.

Plants to Grow in Warrenton

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