The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The first opportunity to plant black eyed susans in Oak Ridge can be estimated by checking out the USDA zone info.

Planting Calendar for Black Eyed Susans

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

You really shouldn't plant black eyed susans until after all chance of frost has passed because they do not do well in cold weather.

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

Last Frost Date

On average the last frost is on April 15 in Oak Ridge. You should expect an average low temperature of 0°F in the coldest months of winter.

Since the USDA zone info for Oak Ridge is not always accurate the actual date of last frost changes from year to year. Half of the time in Oak Ridge you get a frost after April 15 so just be sure to be ready to protect your black eyed susans if you have one of those late frosts.

USDA Zone Info for Oak Ridge

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	0°F
Highest Expected Low	5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Oak Ridge

You may be interested in your other planting guides for Oak Ridge.