Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Cottage Grove you can determine when you can plant purslane by referring to 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 very little cold which means that you can plant them a bit earlier in the year than other frost tender plants.

The earliest that you can plant purslane in Cottage Grove is April. However, you really should wait until May 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. You probably don't want to wait any later than that or else your purslane may not have a chance to fully mature. 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

The average date of last frost is May 15 in Cottage Grove. In the coldest months of winter you can expect an average low temperature of -25°F.

Since the USDA zone info for Cottage Grove is not always accurate the actual date of last frost can change quite a bit from year to year. Half of the time in Cottage Grove it frosts late in the year after May 15 so be sure to be ready to protect your purslane if you have one of those late frosts.

USDA Zone Info for Cottage Grove

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°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 -20°F.

Plants to Grow in Cottage Grove

You may be interested in your other planting guides for Cottage Grove.