Tall Goldenrod, Canada Goldenrod, Late Goldenrod

Tall Goldenrod, Canada Goldenrod, Late Goldenrod Solidago altissima Full to part sun; medium to dry moisture level; tolerates a variety of soils but seems to prefer a heavier soil with some clay content; tolerates a range of pH.  3-6 feet height; blooms from August into fall; dark yellow flowers; spreads by creeping rhizomes. Germination Code:  C(60) Native Region:  Generally found statewide One of the tallest goldenrod species, hence its common name. Produces masses of small, dark yellow, plume-like flowers. Can become weedy and form dense colonies. Produces allelopathic compounds that suppress the growth of surrounding plants. Although commercially available, it is best reserved for problem areas where there is room for it to spread. Generally found on drier soils, prairies and other grasslands, old fields, thickets, roadsides, and forest openings. Attracts birds and many types of bees, butterflies, and beetles. flower;sun;medium;loam flower;sun;medium;clay flower;sun;medium;sand flower;sun;dry;loam flower;sun;dry;clay flower;sun;dry;sand flower;sun/shade;medium;clay flower;sun/shade;medium;loam flower;sun/shade;medium;sand flower;sun/shade;dry;loam flower;sun/shade;dry;clay flower;sun/shade;dry;sand

Photo courtesy of Lady Bird Johnson Wildflower Center http://www.wildflower.org/ Photo Courtesy of Southeastern Flora http://www.southeasternflora.com/ Photo Courtesy of Lady Bird Johnson Wildflower Center http://www.wildflower.org/ Photo Courtesy of Southeastern Flora http://www.southeasternflora.com/