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.

A way of estimating when it's possible to plant black eyed susans is to look at the USDA zone info for Rothschild.

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 it's important to wait until after the last frost has passed before you can plant them.

The earliest that you can plant black eyed susans in Rothschild 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 really do well. You can get started a few weeks earlier by starting your black eyed susans indoors.

Last Frost Date

The average date of last frost is May 15 in Rothschild. You can expect an average low temperature of -25°F in the coldest months of winter.

Remember that the actual date of last frost is not always accurate because it is based on the USDA zone info for Rothschild and it can change quite a bit from year to year. Since half of the time in Rothschild last frost occurs after May 15 be ready to cover your black eyed susans if you have a late frost.

USDA Zone Info for Rothschild

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in Rothschild

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