Solidago altissima L. - Tall Goldenrod


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Solidago altissima - (image 1 of 6)



Family: Asteraceae


Found in a wide range of degraded, open, or partly shaded habitats.




Most of the U.S. and southern Canada east of the Rockies.


Herbaceous perennial to 2 m high; stems terete, short hairy and rough below the inflorescence; leaves tri-nerved, the lower surface of the blade hairy on and between the veins, lowest leaves about the same size as the lower, abruptly reduced and bracteate in the inflorescence, lowest leaves usually brown and dead, not leafy in axils, subtending leaves not exceeding the inflorescence; heads in terminal panicles; flowers bright yellow; involucres 3-4 mm.


Flowers mid July to mid September

Wetland indicator: FACU

Solidago canadensis is similar but has involucres mostly 2-3 mm long (image 4, top). Solidago altissima often has galls on the stems (image 6), while S. canadensis supposedly does not get these.


Gleason, Henry A. and A. Cronquist. 1991. Manual of Vascular Plants of Northeastern United States and Adjacent Canada. Second Ed.

The New York Botanical Garden. Bronx, NY


Swink, F. and G. Wilhelm. 1994. Plants of the Chicago Region.
Indiana Academy of Science. The Morton Arboretum. Lisle, Illinois.




 Michael Hough 2018