When to Plant Cleome in Athens, OH

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 earliest that you can plant cleome in Athens can be figured out by reviewing the USDA zone info.


Planting Calendar for Cleome

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

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

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant cleome
Possibly ok, but a risky time to plant cleome
Probably not a good time to plant cleome

The earliest that you can plant cleome in Athens 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. If you are starting your cleome indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

In Athens the average date of last frost happens on April 15. It might get as low as -10°F during the coldest months of winter.

It's important to remember that USDA zone info for Athens is not always accurate and the actual date of last frost will vary from year to year. Half of the time in Athens there is a last frost after April 15 so be sure to be ready to cover your cleome in the event of a surprise late frost.

USDA Zone Info for Athens

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-10°F
Highest Expected Low-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Athens

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