When to Plant Coleus in Belgrade, MT

The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A way of figuring out when it's the best time to plant coleus is to use the USDA zone info for Belgrade.


Planting Calendar for Coleus

Frost tolerance for coleus: Not tolerant of frost.
When to plant: After the last frost has passed.

You can not plant coleus until after the last frost when the weather gets warmer because they do not do well in cold weather.

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

The earliest that you can plant coleus in Belgrade 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 coleus and expect a good harvest is probably August. You probably don't want to wait any later than that or else your coleus may not have a chance to fully mature. You can get started a few weeks earlier by starting your coleus indoors.

Last Frost Date

The average date of last frost is May 15 in Belgrade. You can expect an average low temperature of -30°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Belgrade may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Half of the time in Belgrade you get a frost after May 15 so make sure that you are ready to protect your coleus in the event of a surprise late frost.

USDA Zone Info for Belgrade

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 Belgrade

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