When to Plant Flowering Kale in Bullhead City, AZ

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

It's a good idea to determine when you can plant flowering kale by checking out the USDA zone info for Bullhead City.


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 a bit earlier in the year because they are moderately cold tolerant.

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 Bullhead City is January. However, you really should wait until February 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 October. 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 few weeks earlier by starting your flowering kale indoors.

Last Frost Date

The average date of last frost is February 15 in Bullhead City. You can expect an average low temperature of 25°F in the coldest months of winter.

It's important to remember that USDA zone info for Bullhead City is an average and the actual date of last frost will vary from year to year. Since half of the time in Bullhead City you get a frost after February 15 be ready to cover your flowering kale in the event of one of those late frosts.

USDA Zone Info for Bullhead City

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)February 15
Average Date of First Frost (fall)December 15
Lowest Expected Low25°F
Highest Expected Low30°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 30°F.

Plants to Grow in Bullhead City

You may be interested in your other planting guides for Bullhead City.