The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A way of making a decision about when it's the best time to plant savoy cabbage is to look at the USDA zone info for Northampton.

Planting Calendar for Savoy cabbage

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

Savoy cabbage tend to make it in cold weather which tells us that you can plant them earlier in the year than other frost tender plants.

The earliest that you can plant savoy cabbage in Northampton 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 savoy cabbage and expect a good harvest is probably September. If you wait any later than that and your savoy cabbage may not have a chance to really do well. Starting your savoy cabbage indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is April 15 in Northampton. You should expect an average low temperature of -10°F in the coldest months of winter.

Remember that USDA zone info for Northampton is an average and the actual date of last frost will vary from year to year. Since half of the time in Northampton there is a last frost after April 15 be ready to protect your savoy cabbage if you have one of those late frosts.

USDA Zone Info for Northampton

Here is the info for USDA Zone 6a.

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

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Northampton

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