When to Plant Purslane in Clarkston, WA

Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The first chance to plant purslane in Clarkston can be figured out by looking at the USDA zone info.


Planting Calendar for Purslane

Frost tolerance for purslane: Tolerant of a very small amount of frost.
When to plant: Up to 3 weeks before last frost.

Since purslane do ok in moderate cold you can plant them just a tiny bit earlier in the year than other frost tender plants.

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

The earliest that you can plant purslane in Clarkston is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant purslane and expect a good harvest is probably August. You probably don't want to wait any later than that or else your purslane may not have a chance to really do well. You can get started a few weeks earlier by starting your purslane indoors.

Last Frost Date

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

Just be sure to remember that USDA zone info for Clarkston is an average and the actual date of last frost is different every year. Half of the time in Clarkston last frost occurs after April 15 so make sure that you are ready to cover your purslane in the event of one of those late frosts.

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.