One of the first steps you take when you are determining your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You can figure out when it's a good idea to plant red cabbage in Dayton by looking at the USDA zone info.

Planting Calendar for Red cabbage

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

Red cabbage are very cold tolerant which tells us that you can start planting them much earlier than more sensitive plants.

The earliest that you can plant red cabbage in Dayton 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 red cabbage and expect a good harvest is probably August. Any later than that and your red cabbage may not have a chance to fully mature. If you are starting your red cabbage indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

On average the last frost has passed is on May 15 in Dayton. You should expect an average low temperature of -25°F in the coldest months of winter.

It's important to remember that USDA zone info for Dayton may not be accurate from year to year and the actual date of last frost changes from year to year. Since half of the time in Dayton there is a last frost after May 15 be ready to protect your red cabbage in the event of a late frost.

USDA Zone Info for Dayton

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 Dayton

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