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.

The USDA zone info for Monmouth should be reffered to in order to determine when it's possible to plant cleome.

Planting Calendar for Cleome

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

It's a bad idea to plant cleome until after the last frost when the weather gets warmer because they are not cold tolerant.

The earliest that you can plant cleome in Monmouth 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. You probably don't want to wait any later than that or else your cleome may not have a chance to grow to maturity. Starting your cleome indoors is a great way to get them started a few weeks earlier.

Last Frost Date

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

Since the USDA zone info for Monmouth is just an average the actual date of last frost can change quite a bit from year to year. Half of the time in Monmouth you get a frost after April 15 so just be sure to be ready to protect your cleome in the event of a late frost.

USDA Zone Info for Monmouth

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 Monmouth

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