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.

In Union you can figure out when it's the best time to plant aegopodium by using the USDA zone info.

Planting Calendar for Aegopodium

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

Aegopodium do well in cold which tells us that you can plant them much earlier than other frost tender plants.

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

The last month that you can plant aegopodium and expect a good harvest is probably September. You probably don't want to wait any later than that or else your aegopodium may not have a chance to fully mature. Starting your aegopodium indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Union. In the coldest months of winter you can expect an average low temperature of -10°F.

Since the USDA zone info for Union may not be accurate from year to year the actual date of last frost changes from year to year. Since half of the time in Union you get surprised by a frost after April 15 be ready to cover your aegopodium in the event of a surprise late frost.

USDA Zone Info for Union

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Union

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