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

A way of making a decision about when it's possible to plant red cabbage is to check out the USDA zone info for Trenton.

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 Trenton 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 red cabbage and expect a good harvest is probably September. You probably don't want to wait any later than that or else your red cabbage may not have a chance to really do well. If you are starting your red cabbage indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Trenton. In the coldest months of winter you should expect an average low temperature of 0°F.

Just be sure to remember that USDA zone info for Trenton is an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Trenton you get a frost after April 15 so make sure that you are prepared to cover your red cabbage if you have one of those late frosts.

USDA Zone Info for Trenton

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	0°F
Highest Expected Low	5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Trenton

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