One of the first steps you take when you are estimating your gardening schedule is find your 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 Collegedale you can estimate when you can plant black eyed susans by using the USDA zone info.

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 you have to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant black eyed susans in Collegedale 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 really do well. Starting your black eyed susans indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Collegedale. In the coldest months of winter you should expect an average low temperature of 5°F.

Keep in mind that USDA zone info for Collegedale is not always accurate and the actual date of last frost will vary from year to year. Since half of the time in Collegedale you get surprised by a frost after April 15 be ready to cover your black eyed susans if you have a late frost.

USDA Zone Info for Collegedale

Here is the info for USDA Zone 7b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	5°F
Highest Expected Low	10°F

This means that on a really cold year, the coldest it will get is 5°F. On most years you should be prepared to experience lows near 10°F.

Plants to Grow in Collegedale

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