When to Plant Flowering Kale in Whitewater, WI

One of the first steps you take when you are figuring out 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 best time to plant flowering kale in Whitewater can be determined by checking out the USDA zone info.


Planting Calendar for Flowering Kale

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

Flowering Kale are one of those plants that can tolerate a little bit of cold weather which means that you can plant them earlier than more sensitive plants.

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 Whitewater is February. However, you really should wait until March 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 September. If you wait any later than that and your flowering kale may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your flowering kale indoors.

Last Frost Date

The average date of last frost is April 15 in Whitewater. It might get as low as -20°F during the coldest months of winter.

It's important to remember that USDA zone info for Whitewater may not be accurate from year to year and the actual date of last frost is different every year. Half of the time in Whitewater it frosts late in the year after April 15 so always be ready to cover your flowering kale if you have a late frost.

USDA Zone Info for Whitewater

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-20°F
Highest Expected Low-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Whitewater

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