Caulophyllum thalictroides

Blue Cohosh, Common Blue Cohosh

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Mid-Atlantic bloom time: April - May
Mid-Atlantic fruit ripe: July - August

The flowers of Blue Cohosh are yellow-green, with 6 petals; the fruits are bluish.

The species name comes from the resemblance of its leaves to the Meadow-rue (Thalictrum genus).

30 March 2024 Balls Bluff Battlefield Regional Park, Leesburg, VA	7 April 2021 Balls Bluff Battlefield Regional Park, Leesburg, VA	3 August 2016 near Back Creek, Winchester, VA (with ripening fruits)	29 June 2024 Ice Mountain Preserve, North River Mills, WV (with ripening fruits)
30 March 2023 Balls Bluff Battlefield Regional Park, Leesburg, VA	30 March 2024 Balls Bluff Battlefield Regional Park, Leesburg, VA	7 April 2021 Balls Bluff Battlefield Regional Park, Leesburg, VA (flower)	30 March 2023 Balls Bluff Battlefield Regional Park, Leesburg, VA
3 August 2016 near Back Creek, Winchester, VA (ripening fruits)	29 June 2024 Ice Mountain Preserve, North River Mills, WV (ripening fruits)