Rudbeckia Bloom Period. Full sun to part shade. Moist to dry well-drained.
Yellow rays and brownish purple center disks Sun. In cold neighbourhoods they will most likely be winter dormant. 29062020 Plant black-eyed Susans when the soil temperature has reached 70F for best seed germination.
Variable yellow gold orange brown.
29062020 Plant black-eyed Susans when the soil temperature has reached 70F for best seed germination. Seed started perennials can bloom the first year if started early enough. At crown level base of the plant Planting Time. Although it tolerates hot and humid summers quite well it will not do well in severe drought conditions.