When to Plant Red cabbage in Zone 5a

One of the first steps you take when you are getting a good idea 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 earliest that you can plant red cabbage in Zone 5a can be estimated by referring to the USDA zone info.

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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 are one of those plants that can tolerate quite a bit of cold weather you can plant them quite a bit 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 Zone 5a 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. You can get started a couple of weeks earlier by starting your red cabbage indoors.

Last Frost Date

In Zone 5a the average date of last frost happens on April 15. In the coldest months of winter you can expect an average low temperature of -20°F.

Keep in mind that USDA zone info for Zone 5a is not always accurate and the actual date of last frost can change quite a bit from year to year. Since half of the time in Zone 5a you get surprised by a frost after April 15 be ready to protect your red cabbage in the event of one of those late frosts.

USDA Zone Info for Zone 5a

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-20°F
Highest Expected Low-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Zone 5a

You may be interested in your other planting guides for Zone 5a.