Tall annual boasting huge flowers with edible seeds, sunflowers make a definite statement in the landscape. Attractive to pollinators and birds. Prefers full sun and well-drained soil. Start indoors 4 weeks before last frost, or sow directly outside after frost.
Helianthus annuus 'Mammoth', Common Sunflower
Height: 9'-12'. Spread: 1.5'-3'. Yellow blooms July-August. Easily grown in average, moist, well-drained soils in full sun. Germination: No pre-treatment