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

A common way of getting a good idea when it's possible to plant napa cabbage is to consult the USDA zone info for Magnolia.

Planting Calendar for Napa cabbage

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

Since napa cabbage do well in cold you can plant them much earlier in the year than more sensitive plants.

The earliest that you can plant napa cabbage in Magnolia 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. Starting your napa cabbage indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Magnolia. You should expect an average low temperature of 0°F in the coldest months of winter.

Since the USDA zone info for Magnolia may not be accurate from year to year the actual date of last frost will vary from year to year. Half of the time in Magnolia there is a last frost after April 15 so make sure that you are prepared to cover your napa cabbage if you have a late frost.

USDA Zone Info for Magnolia

Here is the info for USDA Zone 7a.

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

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

Plants to Grow in Magnolia

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