When to Plant Flowering Kale in Alexandria, MN

One of the first steps you take when you are getting a good idea 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.

It's a good idea to figure out when it's the best time to plant flowering kale by looking at the USDA zone info for Alexandria.


Planting Calendar for Flowering Kale

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

You can plant flowering kale just a bit earlier in the year because they do well in moderate cold.

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

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

Last Frost Date

The average date of last frost is May 15 in Alexandria. You can expect an average low temperature of -30°F in the coldest months of winter.

Always keep in mind that USDA zone info for Alexandria is just an average and the actual date of last frost is different every year. Since half of the time in Alexandria there is a last frost after May 15 be ready to protect your flowering kale in the event of one of those late frosts.

USDA Zone Info for Alexandria

Here is the info for USDA Zone 4a.

Average Date of Last Frost (spring)May 15
Average Date of First Frost (fall)September 15
Lowest Expected Low-30°F
Highest Expected Low-25°F

This means that on a really cold year, the coldest it will get is -30°F. On most years you should be prepared to experience lows near -25°F.

Plants to Grow in Alexandria

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