When to Plant Oxalis in Hibbing, MN

One of the first steps you take when you are estimating 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.

The USDA zone info for Hibbing can be used to estimate when it's a good idea to plant oxalis.

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Planting Calendar for Oxalis

Frost tolerance for oxalis: Not tolerant of frost.
When to plant: After the last frost when the weather gets warmer.

Oxalis are not cold tolerant which means that it's important to wait until it warms up after the last frost has passed before you can plant them.

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

The earliest that you can plant oxalis in Hibbing is May. However, you really should wait until June if you don't want to take any chances.

The last month that you can plant oxalis and expect a good harvest is probably August. Any later than that and your oxalis may not have a chance to really do well. You can get started a few weeks earlier by starting your oxalis indoors.

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.

Just be sure to remember that the actual date of last frost may not be accurate from year to year because it is based on the USDA zone info for Hibbing and it will vary from year to year. Half of the time in Hibbing last frost occurs after May 15 so make sure that you are ready to protect your oxalis in the event of 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.