The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The earliest that you can plant kale in Wickenburg should be determined by looking at the USDA zone info.

Planting Calendar for Kale

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

Kale do well in moderate cold which tells us that you can get them planted earlier than other plants that might not handle the cold.

The earliest that you can plant kale in Wickenburg 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 kale and expect a good harvest is probably October. Any later than that and your kale may not have a chance to grow to maturity. If you are starting your 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 February 15 in Wickenburg. You should expect an average low temperature of 20°F in the coldest months of winter.

Since the USDA zone info for Wickenburg may not be accurate from year to year the actual date of last frost changes from year to year. Since half of the time in Wickenburg there is a last frost after February 15 be ready to cover your kale if you have a late frost.

USDA Zone Info for Wickenburg

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°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 25°F.

Plants to Grow in Wickenburg

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