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.

One way of getting a good idea when it's a good idea to plant napa cabbage is to use the USDA zone info for Windsor Heights.

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 tend to make it in quite a bit of cold which means that you can plant them a lot earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant napa cabbage in Windsor Heights 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 couple of weeks earlier by starting your napa cabbage indoors.

Last Frost Date

On average the last frost is on April 15 in Windsor Heights. In the coldest months of winter you should expect an average low temperature of 5°F.

Since the USDA zone info for Windsor Heights may not be accurate from year to year the actual date of last frost is different every year. Since half of the time in Windsor Heights it frosts late in the year after April 15 be ready to protect your napa cabbage if you have one of those late frosts.

USDA Zone Info for Windsor Heights

Here is the info for USDA Zone 7b.

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

Plants to Grow in Windsor Heights

You may be interested in your other planting guides for Windsor Heights.