One of the best tools that you have as gardeners to help us figure out your gardening schedule is the 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.

The first chance to plant plectranthus in Belle Fourche should be figured out by referring to the USDA zone info.

Planting Calendar for Plectranthus

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

Since plectranthus are not cold tolerant it's important to wait until after the last frost has passed before you can plant them.

The earliest that you can plant plectranthus in Belle Fourche 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. If you wait any later than that and your plectranthus may not have a chance to really do well. If you are starting your plectranthus indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

On average the last frost is on May 15 in Belle Fourche. In the coldest months of winter you should expect an average low temperature of -25°F.

Remember that USDA zone info for Belle Fourche is not always accurate and the actual date of last frost changes from year to year. Since half of the time in Belle Fourche you get surprised by a frost after May 15 be ready to cover your plectranthus if you have a late frost.

USDA Zone Info for Belle Fourche

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 Belle Fourche

You may be interested in your other planting guides for Belle Fourche.