When to Plant Aubretia in Hibbing, MN

One of the first steps you take when you are figuring out your gardening schedule is find your 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.

A common way of getting a good idea when it's the best time to plant aubretia is to refer to the USDA zone info for Hibbing.

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Planting Calendar for Aubretia

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

Aubretia are very cold tolerant which means that you can plant them much earlier than plants that are more sensitive to the cold.

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

The earliest that you can plant aubretia in Hibbing 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 aubretia and expect a good harvest is probably August. Any later than that and your aubretia may not have a chance to grow to maturity. If you are starting your aubretia indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

In Hibbing the average date of last frost happens on May 15. It might get as low as -35°F during the coldest months of winter.

Since the USDA zone info for Hibbing is just an average the actual date of last frost can change quite a bit from year to year. Half of the time in Hibbing there is a last frost after May 15 so make sure that you are prepared to cover your aubretia in the event of a late frost.

USDA Zone Info for Hibbing

Here is the info for USDA Zone 3b.

Average Date of Last Frost (spring)May 15
Average Date of First Frost (fall)September 15
Lowest Expected Low-35°F
Highest Expected Low-30°F

This means that on a really cold year, the coldest it will get is -35°F. On most years you should be prepared to experience lows near -30°F.

Plants to Grow in Hibbing

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