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.

A way of getting a good idea when it's a good idea to plant cleome is to refer to the USDA zone info for Center.

Planting Calendar for Cleome

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

It's probably not a good idea to plant cleome until after the last frost because they are not cold tolerant.

The earliest that you can plant cleome in Center 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. If you wait any later than that and your cleome may not have a chance to fully mature. Starting your cleome indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

The average date of last frost is March 15 in Center. In the coldest months of winter you can expect an average low temperature of 15°F.

Since the USDA zone info for Center is an average the actual date of last frost is different every year. Since half of the time in Center there is a last frost after March 15 be ready to cover your cleome in the event of a surprise late frost.

USDA Zone Info for Center

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°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 20°F.

Plants to Grow in Center

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