When to Plant Lysimachia in Hibbing, MN

Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By using the USDA zone info for Hibbing you will be able to determine when to plant lysimachia.

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Planting Calendar for Lysimachia

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

Lysimachia are moderately cold tolerant which tells us that you can get them planted earlier than other frost tender plants.

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

The earliest that you can plant lysimachia 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 lysimachia and expect a good harvest is probably August. Any later than that and your lysimachia may not have a chance to really do well. If you are starting your lysimachia indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

The average date of last frost is May 15 in Hibbing. It might get as low as -35°F during the coldest months of winter.

Keep in mind that USDA zone info for Hibbing is just an average and the actual date of last frost is different every year. Since half of the time in Hibbing you get surprised by a frost after May 15 be ready to protect your lysimachia if you have a surprise 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.