The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The USDA zone info for Idaho Falls can be reffered to in order to estimate when it's possible to plant cabbage.

Planting Calendar for Cabbage

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

Cabbage do well in moderate cold which tells us that you can get them planted earlier than other plants that might not handle the cold.

The earliest that you can plant cabbage in Idaho Falls 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. Any later than that and your cabbage may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your cabbage indoors.

Last Frost Date

The average date of last frost is April 15 in Idaho Falls. It might get as low as -20°F during the coldest months of winter.

Since the USDA zone info for Idaho Falls is just an average the actual date of last frost changes from year to year. Half of the time in Idaho Falls you get surprised by a frost after April 15 so make sure that you are prepared to protect your cabbage if you have a surprise late frost.

USDA Zone Info for Idaho Falls

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 Idaho Falls

You may be interested in your other planting guides for Idaho Falls.