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Whorls of butter-yellow, hooded flowers appear July to September. Blooms remain attractive after they fade; flowers remain upright and visible all winter. A 3-4 foot tall, hardy perennial with 6-8 inch, olive green, heart-shaped leaves. Plants spread quickly and thickly (not invasive) to form an easy to grow, weed suppressing ground cover. Winter hardy to zone 4.
Sow seed in cell packs or flats, press into soil and lightly cover. Kept at 65° F. germination averages 40-60 days. Can direct sow into prepared seed beds after all danger of frost, in groups of 3-4 seeds spaced 24-30 inches apart. Thin to the strongest plant.
Comments: Full or part sun. Drought tolerant in mild summer climates, provide moderate moisture where summers are hot. Flowers are excellent for cutting, can be dried for winter arrangements. Plants are deer resistant perennials.