Tansy Ragwort info

[Heath Keirstead]

This is a really interesting article (attached) about Tansy ragwort. Enjoy!

 

Ms. Heath Keirstead, Education & Outreach

Benton Soil & Water Conservation District

Phone: 541.753.7208

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From: Coombs Eric [mailto:eco...@oda.state.or.us]
Sent: Wednesday, July 24, 2013 7:55 AM
To: Heath Keirstead
Subject: Re: cinnabar moths to purchase?

 

Heath:

 

If you can find the larvae in abandoned fields or lots, just collect them and move them yourselves. I am not aware of anyone that sells them. 

 

Most of the places where I see the plants, they are already there, but low in numbers due to the past two cold wet springs. If left alone, they should build up naturally.

 

Here is a note about tansy that might be helpful. If people mow their tansy, they undo the biocontrol they have and exacerbate the problem next year.

 

Eric