Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

It's possible to determine when it's possible to plant cabbage by using the USDA zone info for Rockford.

Planting Calendar for Cabbage

Frost tolerance for cabbage:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

You can plant cabbage a little earlier in the year because they are moderately cold tolerant.

The earliest that you can plant cabbage in Rockford 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 cabbage and expect a good harvest is probably September. If you wait any later than that and your cabbage may not have a chance to fully mature. Starting your cabbage indoors is a great way to get them started a few weeks earlier.

Last Frost Date

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

Always keep in mind that USDA zone info for Rockford may not be accurate from year to year and the actual date of last frost will vary from year to year. Half of the time in Rockford last frost occurs after April 15 so make sure that you are ready to cover your cabbage if you have one of those late frosts.

USDA Zone Info for Rockford

Here is the info for USDA Zone 5b.

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

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Rockford

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