Plants > Flowering Plants
AT A GLANCECommon Name: Common SunflowerScientific Name: Helianthus annuusCategory: PlantsSubcategory: Flowering PlantsSize: Plant height: 5–12 ft (1.5–3.6 m); Flowerhead diameter: 4–12 in (10–30 cm); record over 30 ft (9 m)Weight: Mature seed head: 1–3 lb (0.5–1.4...
