The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Whitehall you can figure out when it's possible to plant purslane by reviewing 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.

Purslane do ok in moderate cold which tells us that you can plant them slightly earlier than more sensitive plants.

The earliest that you can plant purslane in Whitehall 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. Any later than that and your purslane may not have a chance to grow to maturity. If you are starting your purslane indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

On average all chance of frost has passed is on April 15 in Whitehall. It might get as low as -5°F during the coldest months of winter.

Keep in mind that USDA zone info for Whitehall is not always accurate and the actual date of last frost is different every year. Since half of the time in Whitehall last frost occurs after April 15 be ready to cover your purslane if you have one of those late frosts.

USDA Zone Info for Whitehall

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 Low	0°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 Whitehall

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