When to Plant Cleome in Palmerton, PA

The USDA Zone info is a great tool for gardeners to help us determine 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.

The first chance to plant cleome in Palmerton can be estimated by using the USDA zone info.


Planting Calendar for Cleome

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

Cleome do not do well in cold weather which tells us that you must wait until it warms up after all chance of frost has passed before you can plant them.

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 Palmerton 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 few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Palmerton. In the coldest months of winter you can expect an average low temperature of -10°F.

Always keep in mind that USDA zone info for Palmerton may not be accurate from year to year and the actual date of last frost will vary from year to year. Since half of the time in Palmerton you get surprised by a frost after April 15 be ready to protect your cleome in the event of a surprise late frost.

USDA Zone Info for Palmerton

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 Palmerton

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