One of the best tools that you have as gardeners to help us estimate your gardening schedule is the 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.

The best time to plant decorative kale in River Rouge can be estimated by reviewing the USDA zone info.

Planting Calendar for Decorative Kale

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

Decorative Kale do ok in some cold which tells us that you can plant them a bit earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant decorative kale in River Rouge 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 decorative kale and expect a good harvest is probably September. Any later than that and your decorative kale may not have a chance to really do well. You can get started a little bit earlier by starting your decorative kale indoors.

Last Frost Date

The average date of last frost is April 15 in River Rouge. It might get as low as -5°F during the coldest months of winter.

Always keep in mind that USDA zone info for River Rouge is just an average and the actual date of last frost is different every year. Since half of the time in River Rouge last frost occurs after April 15 be ready to cover your decorative kale if you have one of those late frosts.

USDA Zone Info for River Rouge

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in River Rouge

You may be interested in your other planting guides for River Rouge.