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.

The USDA zone info for Steubenville can be reviewed to figure out when it's a good idea to plant black eyed susans.

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 can not plant black eyed susans until after the last frost has passed because they require warm weather.

The earliest that you can plant black eyed susans in Steubenville 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 grow to maturity. If you are starting your black eyed susans indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

The average date of last frost is April 15 in Steubenville. In the coldest months of winter you can expect an average low temperature of -5°F.

Since the USDA zone info for Steubenville is not always accurate the actual date of last frost changes from year to year. Since half of the time in Steubenville there is a last frost after April 15 be ready to protect your black eyed susans in the event of one of those late frosts.

USDA Zone Info for Steubenville

Here is the info for USDA Zone 6b.

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

Plants to Grow in Steubenville

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