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.

A common way of making a decision about when to plant bachelor buttons is to check out the USDA zone info for Miles City.

Planting Calendar for Bachelor Buttons

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

Bachelor Buttons are one of those plants that can tolerate a little bit of cold weather which tells us that you can plant them earlier than other plants that might not handle the cold.

The earliest that you can plant bachelor buttons in Miles City 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 bachelor buttons and expect a good harvest is probably August. If you wait any later than that and your bachelor buttons may not have a chance to fully mature. If you are starting your bachelor buttons indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

The average date of last frost is May 15 in Miles City. You should expect an average low temperature of -30°F in the coldest months of winter.

Since the USDA zone info for Miles City is an average the actual date of last frost changes from year to year. Half of the time in Miles City there is a last frost after May 15 so make sure that you are ready to protect your bachelor buttons in the event of a late frost.

USDA Zone Info for Miles City

Here is the info for USDA Zone 4a.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-30°F
Highest Expected Low	-25°F

This means that on a really cold year, the coldest it will get is -30°F. On most years you should be prepared to experience lows near -25°F.

Plants to Grow in Miles City

You may be interested in your other planting guides for Miles City.