Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The earliest that you can plant cabbage in Fort Collins should be figured out by checking out the USDA zone info.

Planting Calendar for Cabbage

Frost tolerance for cabbage:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Since cabbage do well in moderate cold you can plant them a little bit earlier in the year than more sensitive plants.

The earliest that you can plant cabbage in Fort Collins 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 cabbage and expect a good harvest is probably September. If you wait any later than that and your cabbage may not have a chance to really do well. If you are starting your cabbage indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Fort Collins. It might get as low as -15°F during the coldest months of winter.

Since the USDA zone info for Fort Collins is just an average the actual date of last frost changes from year to year. Half of the time in Fort Collins last frost occurs after April 15 so be sure to be ready to cover your cabbage if you have one of those late frosts.

USDA Zone Info for Fort Collins

Here is the info for USDA Zone 5b.

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

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Fort Collins

You may be interested in your other planting guides for Fort Collins.