The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You will be able to determine when you can plant endive by reviewing the USDA zone info for Bozeman.

Planting Calendar for Endive

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

You can plant endive a little earlier in the year because they are moderately cold tolerant.

The earliest that you can plant endive in Bozeman is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant endive and expect a good harvest is probably August. You probably don't want to wait any later than that or else your endive may not have a chance to grow to maturity. If you are starting your endive indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

On average all chance of frost has passed is on May 15 in Bozeman. In the coldest months of winter you should expect an average low temperature of -25°F.

Since the USDA zone info for Bozeman is not always accurate the actual date of last frost will vary from year to year. Half of the time in Bozeman last frost occurs after May 15 so make sure that you are ready to protect your endive in the event of one of those late frosts.

USDA Zone Info for Bozeman

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in Bozeman

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