One of the best tools that you have as gardeners to help us estimate 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 making a decision about when you can plant savoy cabbage is to refer to the USDA zone info for New Ulm.

Planting Calendar for Savoy cabbage

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

You can plant savoy cabbage much earlier in the year because they are very cold tolerant.

The earliest that you can plant savoy cabbage in New Ulm is March. However, you really should wait until April 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 August. You probably don't want to wait any later than that or else your savoy cabbage may not have a chance to really do well. You can get started a few weeks earlier by starting your savoy cabbage indoors.

Last Frost Date

The average date of last frost is May 15 in New Ulm. It might get as low as -25°F during the coldest months of winter.

Keep in mind that USDA zone info for New Ulm may not be accurate from year to year and the actual date of last frost will vary from year to year. Since half of the time in New Ulm you get surprised by a frost after May 15 be ready to protect your savoy cabbage if you have one of those late frosts.

USDA Zone Info for New Ulm

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°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 -20°F.

Plants to Grow in New Ulm

You may be interested in your other planting guides for New Ulm.