When to Plant Purslane in Airway Heights, WA

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

In Airway Heights you can estimate when it's possible to plant purslane by using 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.

You can plant purslane slightly earlier in the year because they do ok in moderate cold.

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 Airway Heights 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. If you are starting your purslane 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 Airway Heights. It might get as low as -10°F during the coldest months of winter.

Since the USDA zone info for Airway Heights is just an average the actual date of last frost can change quite a bit from year to year. Half of the time in Airway Heights last frost occurs after April 15 so make sure that you are prepared to cover your purslane if you have a late frost.

USDA Zone Info for Airway Heights

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 Airway Heights

You may be interested in your other planting guides for Airway Heights.