One of the first steps you take when you are making a decision about 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 Altoona can be determined by checking out 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 a bit of cold which tells us that you can plant them much earlier in the year than other frost tender plants.

The earliest that you can plant red cabbage in Altoona 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. You probably don't want to wait any later than that or else 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

In Altoona the average date of last frost happens on April 15. You should expect an average low temperature of -10°F in the coldest months of winter.

Keep in mind that USDA zone info for Altoona may not be accurate from year to year and the actual date of last frost changes from year to year. Since half of the time in Altoona there is a last frost after April 15 be ready to protect your red cabbage if you have one of those late frosts.

USDA Zone Info for Altoona

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Altoona

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