The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You should be able to figure out when to plant cleome by looking at the USDA zone info for Aliquippa.

Planting Calendar for Cleome

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

Since cleome do not do well in cold weather it's important to wait until after the last frost before you can plant them.

The earliest that you can plant cleome in Aliquippa 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 grow to maturity. Starting your cleome 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 Aliquippa. In the coldest months of winter you should expect an average low temperature of -5°F.

It's important to remember that the actual date of last frost is an average because it is based on the USDA zone info for Aliquippa and it can change quite a bit from year to year. Half of the time in Aliquippa there is a last frost after April 15 so just be sure to be ready to cover your cleome if you have one of those late frosts.

USDA Zone Info for Aliquippa

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°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 0°F.

Plants to Grow in Aliquippa

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