Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You should be able to figure out when you can plant purslane by checking out the USDA zone info for Key Biscayne.

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 get them planted just a bit earlier than more sensitive plants.

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

The last month that you can plant purslane and expect a good harvest is probably November. 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 Key Biscayne it never frosts. In the coldest months of winter you should expect an average low temperature of 40°F.

Keep in mind that the actual date of last frost is just an average because it is based on the USDA zone info for Key Biscayne and it will vary from year to year. Since it never frosts in Key Biscayne you do not have to be ready to cover your purslane if you have one of those late frosts.

USDA Zone Info for Key Biscayne

Here is the info for USDA Zone 11a.

Average Date of Last Frost (spring)	Never
Average Date of First Frost (fall)	Never
Lowest Expected Low	40°F
Highest Expected Low	45°F

This means that on a really cold year, the coldest it will get is 40°F. On most years you should be prepared to experience lows near 45°F.

Plants to Grow in Key Biscayne

You may be interested in your other planting guides for Key Biscayne.