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 USDA zone info for Miles City can be looked at to determine when it's possible to plant aegopodium.

Planting Calendar for Aegopodium

Frost tolerance for aegopodium:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

Aegopodium tend to make it in a bit of cold which means that you can plant them earlier in the year than other frost tender plants.

The earliest that you can plant aegopodium 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 aegopodium and expect a good harvest is probably August. If you wait any later than that and your aegopodium may not have a chance to really do well. Starting your aegopodium indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average the last frost is on May 15 in Miles City. In the coldest months of winter you should expect an average low temperature of -30°F.

It's important to remember that USDA zone info for Miles City is just an average and the actual date of last frost will vary from year to year. Half of the time in Miles City you get a frost after May 15 so make sure that you are ready to protect your aegopodium if you have one of those late frosts.

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.