One of the first steps you take when you are making a decision about 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.

You should be able to figure out when it's a good idea to plant purslane by looking at the USDA zone info for Exeter.

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 a bit earlier in the year because they are barely cold tolerant.

The earliest that you can plant purslane in Exeter is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant purslane and expect a good harvest is probably September. If you wait any later than that and 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 few weeks earlier.

Last Frost Date

On average all chance of frost has passed is on February 15 in Exeter. In the coldest months of winter you can expect an average low temperature of 25°F.

Always keep in mind that USDA zone info for Exeter may not be accurate from year to year and the actual date of last frost is different every year. Half of the time in Exeter it frosts late in the year after February 15 so just be sure to be ready to cover your purslane if you have one of those late frosts.

USDA Zone Info for Exeter

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Exeter

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