When to Plant Garden cress in Clarkston, WA

Before planting it is a good idea to find your USDA Zone info to figure out your garden 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 garden cress in Clarkston should be estimated by checking out the USDA zone info.


Planting Calendar for Garden cress

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

Since garden cress require warm weather you have to wait until after the last frost has passed 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 Clarkston 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. If you wait any later than that and your garden cress may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your garden cress indoors.

Last Frost Date

In Clarkston the average date of last frost happens on April 15. You should expect an average low temperature of 5°F in the coldest months of winter.

Since the USDA zone info for Clarkston is just an average the actual date of last frost is different every year. Half of the time in Clarkston there is a last frost after April 15 so make sure that you are ready to cover your garden cress in the event of a surprise late frost.

USDA Zone Info for Clarkston

Here is the info for USDA Zone 7b.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low5°F
Highest Expected Low10°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 10°F.

Plants to Grow in Clarkston

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