One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Southampton can be read to estimate when it's a good idea to plant cleome.

Planting Calendar for Cleome

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

Cleome do not do well in cold weather which tells us that it's necessary to wait until it warms up after the last frost before you can plant them.

The earliest that you can plant cleome in Southampton 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 fully mature. You can get started a few weeks earlier by starting your cleome indoors.

Last Frost Date

In Southampton the average date of last frost happens on April 15. In the coldest months of winter you can expect an average low temperature of 0°F.

Since the USDA zone info for Southampton is not always accurate the actual date of last frost can change quite a bit from year to year. Since half of the time in Southampton there is a last frost after April 15 be ready to cover your cleome if you have a surprise late frost.

USDA Zone Info for Southampton

Here is the info for USDA Zone 7a.

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

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Southampton

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