One of the first steps you take when you are estimating your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A common way of figuring out when it's possible to plant red cabbage is to examine the USDA zone info for Birdsboro.

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 do well in pretty solid cold which tells us that you can plant them earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant red cabbage in Birdsboro 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. Any later than that and your red cabbage may not have a chance to grow to maturity. Starting your red cabbage indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average all chance of frost has passed is on April 15 in Birdsboro. It might get as low as -5°F during the coldest months of winter.

Just be sure to remember that USDA zone info for Birdsboro is an average and the actual date of last frost will vary from year to year. Since half of the time in Birdsboro you get a frost after April 15 be ready to protect your red cabbage if you have a late frost.

USDA Zone Info for Birdsboro

Here is the info for USDA Zone 6b.

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

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

Plants to Grow in Birdsboro

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