One of the first steps you take when you are determining 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.

One way of figuring out when to plant elephant ears is to use the USDA zone info for Bozeman.

Planting Calendar for Elephant Ears

Frost tolerance for elephant ears:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

Elephant Ears are not cold tolerant which means that you have to wait until it warms up after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant elephant ears in Bozeman is May. However, you really should wait until June if you don't want to take any chances.

The last month that you can plant elephant ears and expect a good harvest is probably August. If you wait any later than that and your elephant ears may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your elephant ears indoors.

Last Frost Date

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

Always keep in mind that USDA zone info for Bozeman is not always accurate and the actual date of last frost changes from year to year. Half of the time in Bozeman there is a last frost after May 15 so make sure that you are ready to cover your elephant ears 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.