When to Plant Purslane in Johnstown, PA

One of the best tools that you have as gardeners to help us determine your gardening schedule is the 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 possible to determine when to plant purslane by referring to the USDA zone info for Johnstown.


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.

Purslane are barely cold tolerant which tells us that you can start planting them slightly earlier than plants that are more sensitive to the 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 Johnstown 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. If you wait any later than that and your purslane may not have a chance to fully mature. You can get started a little bit earlier by starting your purslane indoors.

Last Frost Date

In Johnstown the average date of last frost happens on April 15. It might get as low as -10°F during the coldest months of winter.

Always keep in mind that the actual date of last frost is not always accurate because it is based on the USDA zone info for Johnstown and it can change quite a bit from year to year. Since half of the time in Johnstown you get surprised by a frost after April 15 be ready to cover your purslane if you have a surprise late frost.

USDA Zone Info for Johnstown

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 Johnstown

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