Mammoth Sunflower
Helianthus annuus
Flower
Full Sun
Medium Water
Produces giant single heads up to 1 foot across on towering stalks that can reach 12 feet! A classic for kids and bird lovers.
$5.50
Growing Instructions
Plant in a location sheltered from high winds. Provide support if necessary. Water deeply but infrequently. Harvest seeds after the flower head droops and the back turns yellow-brown.