Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A common way of determining when to plant cleome is to examine the USDA zone info for Roanoke.

Planting Calendar for Cleome

Frost tolerance for cleome:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

It's probably not a good idea to plant cleome until after the last frost has passed because they do not do well in cold weather.

The earliest that you can plant cleome in Roanoke 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 cleome and expect a good harvest is probably August. Any later than that and your cleome may not have a chance to really do well. You can get started a little bit earlier by starting your cleome indoors.

Last Frost Date

The average date of last frost is April 15 in Roanoke. It might get as low as 5°F during the coldest months of winter.

It's important to remember that USDA zone info for Roanoke is just an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in Roanoke there is a last frost after April 15 be ready to cover your cleome in the event of one of those late frosts.

USDA Zone Info for Roanoke

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 Roanoke

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