Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You can figure out when it's the best time to plant decorative kale in Alpena by using 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 well in moderate cold which means that you can plant them earlier than other plants that might not handle the cold.

The earliest that you can plant decorative kale in Alpena 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 couple of weeks earlier by starting your decorative kale indoors.

Last Frost Date

The average date of last frost is April 15 in Alpena. In the coldest months of winter you should expect an average low temperature of -15°F.

Keep in mind that USDA zone info for Alpena may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Half of the time in Alpena last frost occurs after April 15 so make sure that you are prepared to cover your decorative kale if you have a late frost.

USDA Zone Info for Alpena

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-15°F
Highest Expected Low	-10°F

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Alpena

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