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Here is the BEST Time to Grow Flowers in Montana (2022 Guide)

Do you want to grow flowers in Montana, but don’t know when to plant them?

Planting flowers is not as easy as it seems.

Here’s why:

  • Most flowers are not able to survive frost or cold weather under 40 degrees Fahrenheit.

So if you plant them outside too early they will die. And if you plant them too late your flowers won’t bloom or may have a short, small bloom.

Today, I’m going to teach you the ideal time to plant flowers in Montana:

  • To Learn More About HOW to Grow Flowers, Check Out This GUIDE!


When to Plant Flowers in Montana

As you may have already guessed, you need to pay very close attention to your local weather.

In general, you will plant your flowers outside dependent on the first or last frost (depending on whether you are planting a fall or spring flower)!

For your reference, I have created this table for average frost dates for most major cities in Montana. If your city is not listed below you can find its Last & First Frost Dates HERE.

Montana Last & First Frost Dates

Montana Frost Dates

Unfortunately, Mother Nature plays cruel tricks on us every year.

It should be noted that the above dates are just averages.

There are years when the last frost comes MUCH later and the first frost comes MUCH earlier.

Like I said before, you need to be very diligent in checking your local weather.


When Should You Start Your Flower Seeds Indoors?

Depending on the type of flowers, it takes roughly 40-80 days to grow flowers from seed indoors and then transplant them to your garden.

For a specific date that you should start flower seeds indoors you should:

  • Find the first or last average frost date HERE
  • And then subtract 40 – 80 days from it

Not only this, but I recommend again paying close attention to your local weather report.

It should also be noted that the best technique for bringing your flower plants outside is to introduce them (in their pots) outside for an hour. And then increase the amount of time they spend outside each day by an hour until they have been outside for 8 hours.

This will “hardened” your flower plant, increasing its chances of fighting off diseases, insects, droughts, and wet conditions.

If you want to learn WHEN to plant ANY Flower in Montana, head over to HERE and just type in the spring flower you want to grow.

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