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When to Plant Plectranthus in Miles City, MT

One of the first steps you take when you are determining 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.

The earliest that you can plant plectranthus in Miles City should be figured out by using 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.

Plectranthus do not do well in cold weather which tells us that it's important to wait until it warms up after all chance of frost has passed before you can plant them.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant plectranthus
Possibly ok, but a risky time to plant plectranthus
Probably not a good time to plant plectranthus

The earliest that you can plant plectranthus in Miles City 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. You probably don't want to wait any later than that or else your plectranthus may not have a chance to really do well. 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 Miles City. In the coldest months of winter you can expect an average low temperature of -30°F.

Keep in mind that the actual date of last frost may not be accurate from year to year because it is based on the USDA zone info for Miles City and it will vary from year to year. Since half of the time in Miles City there is a last frost after May 15 be ready to cover your plectranthus in the event of a surprise late frost.

USDA Zone Info for Miles City

Here is the info for USDA Zone 4a.

Average Date of Last Frost (spring)May 15
Average Date of First Frost (fall)September 15
Lowest Expected Low-30°F
Highest Expected Low-25°F

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

Plants to Grow in Miles City

You may be interested in your other planting guides for Miles City.