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

The earliest that you can plant purslane in Johnson City can be figured out 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.

Since purslane are barely cold tolerant you can plant them slightly earlier in the year than more sensitive plants.

The earliest that you can plant purslane in Johnson City 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 really do well. You can get started a little bit earlier by starting your purslane indoors.

Last Frost Date

The average date of last frost is April 15 in Johnson City. It might get as low as 0°F during the coldest months of winter.

Since the USDA zone info for Johnson City is not always accurate the actual date of last frost will vary from year to year. Half of the time in Johnson City it frosts late in the year after April 15 so just be sure to be ready to protect your purslane if you have a late frost.

USDA Zone Info for Johnson City

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 Johnson City

You may be interested in your other planting guides for Johnson City.