When to Plant Red cabbage in Harrisburg, PA

One of the first steps you take when you are estimating 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.

The first opportunity to plant red cabbage in Harrisburg should be estimated 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 do well in cold which means that you can start planting them much earlier than more sensitive 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 Harrisburg 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. If you wait any later than that and your red cabbage may not have a chance to fully mature. You can get started a few weeks earlier by starting your red cabbage indoors.

Last Frost Date

The average date of last frost is April 15 in Harrisburg. It might get as low as 0°F during the coldest months of winter.

It's important to remember that USDA zone info for Harrisburg is an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in Harrisburg last frost occurs after April 15 be ready to cover your red cabbage if you have a late frost.

USDA Zone Info for Harrisburg

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 Harrisburg

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