Family: Asteraceae (Sunflower family)
Height: 30 -200 cm (1 to 6.5 ft)
Blooming: Sept. - Oct.
Solidago rugosa Mill.
Stem: erect, covered in stiff hairs
Flowers: are in 50-1500 yellow flower heads which are relatively larger than other goldenrods.
Leaves: the basal leaves are not persistent up to flowering. The leaves textures are usually really scabrous or rough.
Ideal condition: slightly dry soil and full sun.
SOURCES & FURTHER RESOURCES:
all photos by Nathanael Pilla
Landscape: a strong standing, adaptable plant that provides bright yellow flowers for the fall season. It is an important source of nectar for butterflies and bees in autumn. It can get very aggressive out-competing other flowers in your garden.
Comments: there is a lot of variability in the appearance rough goldenrod's shape, hairiness, and size. Taxonomists have divided up the species into two subspecies and five varieties recognized in North America. Flora of North America's treatment differentiates these subspecies and varieties.
Etymology: The epithet name rigidum is Latin for "rigid" because of the stiff nature of the plant. The genus, solidago, comes from the Latin word, solida meaning "whole" and ago meaning "to make".