The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Chehalis you can estimate when it's the best time to plant aegopodium by referring to 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.

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 Chehalis 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. Starting your aegopodium indoors is a great way to get them started a little bit earlier.

Last Frost Date

In Chehalis the average date of last frost happens on March 15. In the coldest months of winter you should expect an average low temperature of 10°F.

Since the USDA zone info for Chehalis is an average the actual date of last frost will vary from year to year. Since half of the time in Chehalis last frost occurs after March 15 be ready to cover your aegopodium in the event of a surprise late frost.

USDA Zone Info for Chehalis

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 Chehalis

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