Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Oelwein you can determine when it's possible to plant red cabbage by using 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 are very cold tolerant which tells us that you can plant them a quite a bit earlier than more sensitive plants.

The earliest that you can plant red cabbage in Oelwein 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 little bit earlier by starting your red cabbage indoors.

Last Frost Date

On average the last frost is on April 15 in Oelwein. It might get as low as -20°F during the coldest months of winter.

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

USDA Zone Info for Oelwein

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 Oelwein

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