Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A way of figuring out when you can plant aegopodium is to check out the USDA zone info for South Portland.

Planting Calendar for Aegopodium

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

Since aegopodium are very cold tolerant you can plant them earlier in the year than other frost tender plants.

The earliest that you can plant aegopodium in South Portland 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. 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 few weeks earlier.

Last Frost Date

On average the last frost is on April 15 in South Portland. In the coldest months of winter you can expect an average low temperature of -15°F.

Just be sure to remember that USDA zone info for South Portland is just an average and the actual date of last frost changes from year to year. Half of the time in South Portland you get a frost after April 15 so make sure that you are ready to protect your aegopodium if you have a surprise late frost.

USDA Zone Info for South Portland

Here is the info for USDA Zone 5b.

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

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in South Portland

You may be interested in your other planting guides for South Portland.