The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The best time to plant napa cabbage in Marquette can be determined by referring to the USDA zone info.

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 can survive in pretty solid cold which tells us that you can plant them much earlier in the year than more sensitive plants.

The earliest that you can plant napa cabbage in Marquette 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. You probably don't want to wait any later than that or else your napa cabbage may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your napa cabbage indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Marquette. In the coldest months of winter you can expect an average low temperature of -15°F.

Just be sure to remember that USDA zone info for Marquette is just an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in Marquette you get surprised by a frost after April 15 be ready to protect your napa cabbage in the event of a surprise late frost.

USDA Zone Info for Marquette

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 Marquette

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