When to Plant Pansies in Sidney, 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.

The first opportunity to plant pansies in Sidney should be estimated by reviewing the USDA zone info.

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Planting Calendar for Pansies

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

Pansies can survive in pretty solid cold which tells us that you can plant them earlier in the year than more sensitive plants.

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

The earliest that you can plant pansies in Sidney 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 pansies and expect a good harvest is probably August. Any later than that and your pansies may not have a chance to fully mature. Starting your pansies indoors is a great way to get them started a few weeks earlier.

Last Frost Date

In Sidney the average date of last frost happens on May 15. In the coldest months of winter you should expect an average low temperature of -30°F.

Since the USDA zone info for Sidney is not always accurate the actual date of last frost will vary from year to year. Half of the time in Sidney you get a frost after May 15 so always be ready to cover your pansies in the event of one of those late frosts.

USDA Zone Info for Sidney

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 Sidney

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