When to Plant Black Eyed Susans in Zone 2a

One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Zone 2a you can estimate when it's a good idea to plant black eyed susans by using the USDA zone info.

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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.

It's not a good idea to plant black eyed susans until after all chance of frost has passed because they require warm weather.

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 2a 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. If you wait any later than that and 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 Zone 2a the average date of last frost happens on May 15. It might get as low as -50°F during the coldest months of winter.

Keep in mind that the actual date of last frost is just an average because it is based on the USDA zone info for Zone 2a and it can change quite a bit from year to year. Half of the time in Zone 2a you get a frost after May 15 so be sure to be ready to protect your black eyed susans in the event of a surprise late frost.

USDA Zone Info for Zone 2a

Here is the info for USDA Zone 2a.

Average Date of Last Frost (spring)May 15
Average Date of First Frost (fall)August 15
Lowest Expected Low-50°F
Highest Expected Low-45°F

This means that on a really cold year, the coldest it will get is -50°F. On most years you should be prepared to experience lows near -45°F.

Plants to Grow in Zone 2a

You may be interested in your other planting guides for Zone 2a.