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.

You should be able to figure out when it's possible to plant black eyed susans by checking out the USDA zone info for Bettendorf.

Planting Calendar for Black Eyed Susans

Frost tolerance for black eyed susans:	Not tolerant of frost.
When to plant:	After the last frost has passed.

You really shouldn't plant black eyed susans until after all chance of frost has passed because they require warm weather.

The earliest that you can plant black eyed susans in Bettendorf 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. Any later than that and your black eyed susans may not have a chance to grow to maturity. Starting your black eyed susans indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is April 15 in Bettendorf. It might get as low as -15°F during the coldest months of winter.

Just be sure to remember that USDA zone info for Bettendorf is an average and the actual date of last frost is different every year. Half of the time in Bettendorf last frost occurs after April 15 so be sure to be ready to cover your black eyed susans in the event of a surprise late frost.

USDA Zone Info for Bettendorf

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-15°F
Highest Expected Low	-10°F

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Bettendorf

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