Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You will be able to estimate when it's a good idea to plant napa cabbage by referring to the USDA zone info for Ballston Spa.

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 well in a bit of cold which tells us that you can plant them earlier in the year than other frost tender plants.

The earliest that you can plant napa cabbage in Ballston Spa 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 really do well. You can get started a couple of weeks earlier by starting your napa cabbage indoors.

Last Frost Date

On average all chance of frost has passed is on April 15 in Ballston Spa. You can expect an average low temperature of -20°F in the coldest months of winter.

It's important to remember that USDA zone info for Ballston Spa is an average and the actual date of last frost changes from year to year. Half of the time in Ballston Spa you get a frost after April 15 so always be ready to protect your napa cabbage in the event of one of those late frosts.

USDA Zone Info for Ballston Spa

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Ballston Spa

You may be interested in your other planting guides for Ballston Spa.