Solidago odora (Sweet Goldenrod) 4ft; anise scented leaves; late summer early fall bloomer; full sun/partial shade. Blooms attract bees, butterflies and many other insects. Goldenrods are among the most important late-season pollinator plants. Honey bees feast on goldenrod nectar before winter. Butterflies and many other pollinators rely on goldenrods as a major food source. Beekeepers often use goldenrods as the primary food source for winter. Some sources report that goldenrod nectar has an average sugar concentration of 33%.