The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

One way of getting a good idea when it's a good idea to plant aegopodium is to look at the USDA zone info for Harvard.

Planting Calendar for Aegopodium

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

Aegopodium can survive in quite a bit of cold which means that you can plant them quite a bit earlier in the year than more sensitive plants.

The earliest that you can plant aegopodium in Harvard 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 really do well. You can get started a couple of weeks earlier by starting your aegopodium indoors.

Last Frost Date

On average all chance of frost has passed is on April 15 in Harvard. You should expect an average low temperature of -15°F in the coldest months of winter.

Always keep in mind that the actual date of last frost may not be accurate from year to year because it is based on the USDA zone info for Harvard and it changes from year to year. Since half of the time in Harvard you get surprised by a frost after April 15 be ready to cover your aegopodium in the event of one of those late frosts.

USDA Zone Info for Harvard

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 Harvard

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