The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

It's a good idea to determine when it's possible to plant black eyed susans by using the USDA zone info for Jacksonville.

Planting Calendar for Black Eyed Susans

Frost tolerance for black eyed susans:	Not tolerant of frost.
When to plant:	After the last frost.

It's not a good idea to plant black eyed susans until after the last frost when the weather gets warmer because they require warm weather.

The earliest that you can plant black eyed susans in Jacksonville 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 black eyed susans and expect a good harvest is probably August. You probably don't want to wait any later than that or else your black eyed susans may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your black eyed susans indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Jacksonville. You should expect an average low temperature of 5°F in the coldest months of winter.

Since the USDA zone info for Jacksonville may not be accurate from year to year the actual date of last frost will vary from year to year. Since half of the time in Jacksonville it frosts late in the year after April 15 be ready to cover your black eyed susans in the event of a late frost.

USDA Zone Info for Jacksonville

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 Jacksonville

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