When to Plant Red cabbage in Wilmington, DE

One of the first steps you take when you are making a decision about 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.

You can estimate when you can plant red cabbage in Wilmington by reviewing 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.

Since red cabbage do well in cold you can plant them earlier in the year than other frost tender plants.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant red cabbage
Possibly ok, but a risky time to plant red cabbage
Probably not a good time to plant red cabbage

The earliest that you can plant red cabbage in Wilmington 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 little bit earlier.

Last Frost Date

In Wilmington the average date of last frost happens on April 15. In the coldest months of winter you can expect an average low temperature of 0°F.

Since the USDA zone info for Wilmington is not always accurate the actual date of last frost changes from year to year. Half of the time in Wilmington it frosts late in the year after April 15 so make sure that you are prepared to protect your red cabbage if you have a surprise late frost.

USDA Zone Info for Wilmington

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 Low0°F
Highest Expected Low5°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 Wilmington

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