When can I plant Black Eyed Susans in Zone 2b

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

The first opportunity to plant black eyed susans in Zone 2b should be estimated by reviewing the USDA zone info.


Planting Calendar for Black Eyed Susans

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

Since black eyed susans are not cold tolerant it is necessary to wait until after all chance of frost has passed 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 Zone 2b is May. However, you really should wait until June 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. Any later than that and your black eyed susans may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your black eyed susans indoors.

Last Frost Date

On average all chance of frost has passed is on May 15 in Zone 2b. In the coldest months of winter we should expect an average low temperature of -45°F.

Keep in mind that our actual date of last frost is just an average because it is based on the USDA zone info for Zone 2b and it can change quite a bit from year to year. Since half of the time in Zone 2b it frosts late in the year after May 15 be ready to protect your black eyed susans if we have a late frost.

USDA Zone Info for Zone 2b

Here is the info for USDA Zone 2b.

Average Date of Last Frost (spring)May 15
Average Date of First Frost (fall)August 15
Lowest Expected Low-45°F
Highest Expected Low-40°F

This means that on a really cold year, the coldest it will get is -45°F. On most years you should be prepared to experience lows near -40°F.

Plants to Grow in Zone 2b

You may be interested in our other planting guides for Zone 2b.