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When to Plant Pincushion Flower in International Falls, MN

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 best time to plant pincushion flower in International Falls should be determined by looking at the USDA zone info.


Planting Calendar for Pincushion Flower

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

Pincushion Flower are one of those plants that can tolerate a little bit of cold weather which means that you can plant them earlier than other frost tender plants.

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

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

Last Frost Date

The average date of last frost is May 15 in International Falls. You can expect an average low temperature of -40°F in the coldest months of winter.

Keep in mind that USDA zone info for International Falls is just an average and the actual date of last frost is different every year. Since half of the time in International Falls you get a frost after May 15 be ready to protect your pincushion flower if you have a late frost.

USDA Zone Info for International Falls

Here is the info for USDA Zone 3a.

Average Date of Last Frost (spring)May 15
Average Date of First Frost (fall)September 15
Lowest Expected Low-40°F
Highest Expected Low-35°F

This means that on a really cold year, the coldest it will get is -40°F. On most years you should be prepared to experience lows near -35°F.

Plants to Grow in International Falls

You may be interested in your other planting guides for International Falls.