'Swamp Coneflower' or 'Tall Coneflower' or 'Cabbage Leaf Coneflower' or 'Great Coneflower' Asteraceae: Large yellow flowers on plants that grow 6 to 9 feet tall. Bright Golden-yellow colored petals hang from tall brown cones. The basal rosette of foliage is large (2-4 feet wide) and the leaves have a waxy blue color. Early summer bloomer, best grown in full sun to part shade. Grows in most soils, but best with wet feet but drought tolerant too. Specimen plants in water gardens, fence-rows, back of the border, and OK as cut flowers. Loved by birds and butterflies and deer resistant. Native to Arkansas, Louisiana, Oklahoma, Texas and found in South Carolina.
Zones (4)7-9. Germination is spread out over many weeks at 65-75F. Lightly cover the seeds but leave a part of the seed exposed to light.