One of the first steps you take when you are determining your gardening schedule is find your 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 a good idea to figure out when it's the best time to plant purslane by reviewing the USDA zone info for Norristown.

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 can survive in a tiny bit of cold which means that you can plant them slightly earlier in the year than other plants that might not handle the cold.

The earliest that you can plant purslane in Norristown 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 grow to maturity. You can get started a couple of weeks earlier by starting your purslane indoors.

Last Frost Date

In Norristown the average date of last frost happens on April 15. In the coldest months of winter you can expect an average low temperature of 0°F.

Keep in mind that USDA zone info for Norristown may not be accurate from year to year and the actual date of last frost will vary from year to year. Since half of the time in Norristown you get surprised by a frost after April 15 be ready to cover your purslane in the event of one of those late frosts.

USDA Zone Info for Norristown

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	0°F
Highest Expected Low	5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Norristown

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