Solidago flexicaulis, zigzag goldenrod, is one of the few goldenrods to actually thrive in partially shaded conditions in rich woodland soils. This distinctive species produces flowers on a upright spike (in contrast to most other species that produce flattened or rounded inflorescence). The common name derives from some plants producing a distinctive stem that changes direction at each node. Once established, this plant will reach 3’ in height by 3’ in width. Another butterfly magnet for the fall garden that is basically insect and disease free.