When to Plant Rock Cress in Albertville, 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.

A way of determining when it's possible to plant rock cress is to check out the USDA zone info for Albertville.

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Planting Calendar for Rock Cress

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

Since rock cress are one of those plants that can tolerate quite a bit of cold weather you can plant them quite a bit earlier in the year than more sensitive plants.

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

The earliest that you can plant rock cress in Albertville 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 rock cress and expect a good harvest is probably August. If you wait any later than that and your rock cress may not have a chance to grow to maturity. If you are starting your rock cress indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

The average date of last frost is May 15 in Albertville. In the coldest months of winter you should expect an average low temperature of -25°F.

Just be sure to remember that USDA zone info for Albertville is not always accurate and the actual date of last frost changes from year to year. Since half of the time in Albertville you get surprised by a frost after May 15 be ready to cover your rock cress in the event of a surprise late frost.

USDA Zone Info for Albertville

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)May 15
Average Date of First Frost (fall)September 15
Lowest Expected Low-25°F
Highest Expected Low-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in Albertville

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