One of the best tools that you have as gardeners to help us determine 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.

You should be able to determine when you can plant napa cabbage by referring to the USDA zone info for Lake Alfred.

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 do ok in cold weather which tells us that you can plant them quite a bit earlier in the year than other plants that might not handle the cold.

The earliest that you can plant napa cabbage in Lake Alfred is January. However, you really should wait until February 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 October. You probably don't want to wait any later than that or else your napa cabbage may not have a chance to fully mature. You can get started a little bit earlier by starting your napa cabbage indoors.

Last Frost Date

The average date of last frost is February 15 in Lake Alfred. You can expect an average low temperature of 25°F in the coldest months of winter.

Since the USDA zone info for Lake Alfred is an average the actual date of last frost changes from year to year. Half of the time in Lake Alfred there is a last frost after February 15 so just be sure to be ready to protect your napa cabbage if you have a surprise late frost.

USDA Zone Info for Lake Alfred

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Lake Alfred

You may be interested in your other planting guides for Lake Alfred.