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Fact | Step by Step Guide | Species | Soil | Seed Germination | Fertilizing | Diseases & Pests
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Sunflower Species |
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Common Sunflower (H. annuus) - Includes the cultivars H. bismarkianus's, single yellow flower, 6 to 8 feet tall; H. citrinus, primrose yellow flowers, 6 to 8 feet tall; H. giganteus, Russian Giant, large, single yellow flower grown mainly for seeds, 10 to 12 feet tall.
Silverleaf Sunflower (H. argophyllus) - Stems and leaves covered with silky gray down, especially on younger growth. Flowers golden with purplish brown center, plants 5 to 6 feet tall. Silvery leaves used in fresh and dried flower arrangements.
Cucumberleaf Sunflower (H. debilis) - Four-foot plants with multiple branches. Excellent for cutting. Three-inch flowers have a purple disk and yellow rays.
| Sunflower Species | | Soil Considerations |
| Seed Germination | | Fertilizing | | Diseases and Pests |
