When to Plant Black Eyed Susans in Jerseyville, IL

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.

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

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Planting Calendar for Black Eyed Susans

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

Since black eyed susans do not do well in cold weather you have to wait until after the last frost when the weather gets warmer before you can plant them.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant black eyed susans
Possibly ok, but a risky time to plant black eyed susans
Probably not a good time to plant black eyed susans

The earliest that you can plant black eyed susans in Jerseyville 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 really do well. If you are starting your black eyed susans indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

In Jerseyville the average date of last frost happens on April 15. In the coldest months of winter you should expect an average low temperature of -10°F.

Since the USDA zone info for Jerseyville is not always accurate the actual date of last frost is different every year. Since half of the time in Jerseyville last frost occurs after April 15 be ready to protect your black eyed susans if you have a late frost.

USDA Zone Info for Jerseyville

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 Jerseyville

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