Noxious Weed Alert: Tansy Ragwort

This summer has seen Tansy Ragwort exploding all over the place, so here’s a reminder on controlling this stubborn invasive.

The Perennial Post

by Kate Yturri, Judy Winer and Gwen Stamm, MG Class of 2013

Tansy Ragwort Img 1 - Edit
Tansy ragwort (Senecio jacobaea) is a winter annual, biennial, or short-lived perennial that can grow up to 6 feet tall. It is easily recognized by its bright yellow flower heads, with each flower bearing about 13 petals (ray florets), and by its soft, deeply lobed leaves. It is easy to spot when it is in bloom around this time of year. You can also see smaller plants setting up for next year’s bloom as seen in the photo below.

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