Before planting it is a good idea to find your USDA Zone info to determine 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.

It's a good idea to determine when to plant black eyed susans by using the USDA zone info for Wood Dale.

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.

Since black eyed susans require warm weather you must wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant black eyed susans in Wood Dale 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. 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. Starting your black eyed susans indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average all chance of frost has passed is on April 15 in Wood Dale. It might get as low as -15°F during the coldest months of winter.

Since the USDA zone info for Wood Dale may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Half of the time in Wood Dale it frosts late in the year after April 15 so make sure that you are ready to cover your black eyed susans if you have a late frost.

USDA Zone Info for Wood Dale

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 Wood Dale

You may be interested in your other planting guides for Wood Dale.