When to Plant Garden cress in Clairton, PA

One of the first steps you take when you are determining your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

It's a good idea to figure out when to plant garden cress by reviewing the USDA zone info for Clairton.


Planting Calendar for Garden cress

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

Garden cress are not cold tolerant which tells us that you really should wait until it warms up after the last frost when the weather gets warmer before you can plant them.

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

The earliest that you can plant garden cress in Clairton 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 garden cress and expect a good harvest is probably August. You probably don't want to wait any later than that or else your garden cress may not have a chance to fully mature. If you are starting your garden cress indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

The average date of last frost is April 15 in Clairton. It might get as low as -5°F during the coldest months of winter.

Since the USDA zone info for Clairton may not be accurate from year to year the actual date of last frost will vary from year to year. Since half of the time in Clairton there is a last frost after April 15 be ready to cover your garden cress if you have one of those late frosts.

USDA Zone Info for Clairton

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 Low0°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 Clairton

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