Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

By checking out the USDA zone info for Little Falls you should be able to determine when 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 the last frost when the weather gets warmer.

Since black eyed susans require warm weather you really should wait until after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant black eyed susans in Little Falls 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. You probably don't want to wait any later than that or else 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 May 15 in Little Falls. It might get as low as -30°F during the coldest months of winter.

Since the USDA zone info for Little Falls is an average the actual date of last frost is different every year. Half of the time in Little Falls there is a last frost after May 15 so be sure to be ready to protect your black eyed susans in the event of a late frost.

USDA Zone Info for Little Falls

Here is the info for USDA Zone 4a.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-30°F
Highest Expected Low	-25°F

This means that on a really cold year, the coldest it will get is -30°F. On most years you should be prepared to experience lows near -25°F.

Plants to Grow in Little Falls

You may be interested in your other planting guides for Little Falls.