One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By checking out the USDA zone info for Frankenmuth you will be able to estimate when to plant napa cabbage.

Planting Calendar for Napa cabbage

Frost tolerance for napa cabbage:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

Napa cabbage are one of those plants that can tolerate quite a bit of cold weather which tells us that you can plant them a quite a bit earlier than other plants that might not handle the cold.

The earliest that you can plant napa cabbage in Frankenmuth 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 napa cabbage and expect a good harvest is probably September. If you wait any later than that and your napa cabbage may not have a chance to fully mature. You can get started a few weeks earlier by starting your napa cabbage indoors.

Last Frost Date

The average date of last frost is April 15 in Frankenmuth. It might get as low as -10°F during the coldest months of winter.

Since the USDA zone info for Frankenmuth may not be accurate from year to year the actual date of last frost changes from year to year. Half of the time in Frankenmuth there is a last frost after April 15 so make sure that you are ready to cover your napa cabbage in the event of one of those late frosts.

USDA Zone Info for Frankenmuth

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Frankenmuth

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