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.

By checking out the USDA zone info for Willmar it's possible to figure out when it's a good idea to plant plectranthus.

Planting Calendar for Plectranthus

Frost tolerance for plectranthus:	Not tolerant of frost.
When to plant:	After the last frost.

Since plectranthus do not do well in cold weather it is important to wait until after the last frost before you can plant them.

The earliest that you can plant plectranthus in Willmar is May. However, you really should wait until June if you don't want to take any chances.

The last month that you can plant plectranthus and expect a good harvest is probably August. Any later than that and your plectranthus may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your plectranthus indoors.

Last Frost Date

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

Keep in mind that USDA zone info for Willmar is just an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Willmar it frosts late in the year after May 15 so make sure that you are prepared to protect your plectranthus if you have one of those late frosts.

USDA Zone Info for Willmar

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 Willmar

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