When to Plant Parsley in Glendive, MT

One of the first steps you take when you are figuring out your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By looking at the USDA zone info for Glendive it's a good idea to determine when it's a good idea to plant parsley.


Planting Calendar for Parsley

Frost tolerance for parsley: Tolerant of some frost.
When to plant: Up to 5 weeks before last frost.

Parsley do ok in mild cold which tells us that you can plant them a little earlier in the year than other plants that might not handle the cold.

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

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

The last month that you can plant parsley and expect a good harvest is probably August. Any later than that and your parsley may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your parsley indoors.

Last Frost Date

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

It's important to remember that USDA zone info for Glendive is not always accurate and the actual date of last frost will vary from year to year. Since half of the time in Glendive you get a frost after May 15 be ready to cover your parsley if you have a surprise late frost.

USDA Zone Info for Glendive

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 Glendive

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