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When to Plant Carnation in Missoula, MT

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 USDA zone info for Missoula can be reffered to in order to figure out when it's the best time to plant carnation.


Planting Calendar for Carnation

Frost tolerance for carnation: Very tolerant of frost.
When to plant: Up to 7 weeks before last frost.

Carnation are one of those plants that can tolerate quite a bit of cold weather which tells us that you can start planting them much earlier than plants that are more sensitive to the cold.

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

The earliest that you can plant carnation in Missoula is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant carnation and expect a good harvest is probably September. If you wait any later than that and your carnation may not have a chance to really do well. If you are starting your carnation indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

In Missoula the average date of last frost happens on April 15. You can expect an average low temperature of -15°F in the coldest months of winter.

It's important to remember that USDA zone info for Missoula is an average and the actual date of last frost will vary from year to year. Half of the time in Missoula it frosts late in the year after April 15 so just be sure to be ready to cover your carnation if you have one of those late frosts.

USDA Zone Info for Missoula

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-15°F
Highest Expected Low-10°F

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Missoula

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