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.

One way of making a decision about when to plant aegopodium is to consult the USDA zone info for Hillsboro.

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 earlier in the year because they do well in cold.

The earliest that you can plant aegopodium in Hillsboro 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 grow to maturity. You can get started a little bit earlier by starting your aegopodium indoors.

Last Frost Date

On average the last frost has passed is on March 15 in Hillsboro. In the coldest months of winter you should expect an average low temperature of 10°F.

Since the USDA zone info for Hillsboro is just an average the actual date of last frost can change quite a bit from year to year. Half of the time in Hillsboro you get a frost after March 15 so be sure to be ready to cover your aegopodium in the event of one of those late frosts.

USDA Zone Info for Hillsboro

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°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 15°F.

Plants to Grow in Hillsboro

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