One of the first steps you take when you are figuring out your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A way of estimating when it's a good idea to plant aegopodium is to examine the USDA zone info for Vail.

Planting Calendar for Aegopodium

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

You can plant aegopodium much earlier in the year because they are one of those plants that can tolerate quite a bit of cold weather.

The earliest that you can plant aegopodium in Vail 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. You probably don't want to wait any later than that or else your aegopodium may not have a chance to really do well. You can get started a couple of weeks earlier by starting your aegopodium indoors.

Last Frost Date

On average the last frost has passed is on May 15 in Vail. In the coldest months of winter you can expect an average low temperature of -25°F.

It's important to remember that USDA zone info for Vail may not be accurate from year to year and the actual date of last frost is different every year. Since half of the time in Vail there is a last frost after May 15 be ready to cover your aegopodium in the event of a late frost.

USDA Zone Info for Vail

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 Vail

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