Giant Sunflower (Helianthus giganteus)

Giant Sunflower

Scientific Name: Helianthus giganteus
Common Name: Giant sunflower
Description of facts and concepts: This tall prairie sunflower has coarse leaves and spreads gently.
Seed or division information: Seeds or divisions of the rhizomes in spring.
Date of flower’s bloom (Month and week): July W4
Garden Name: Sunny Wetland Garden
Color of Flower: Yellow
Height: 8-10′
Spread: 36″
Family: Aster
Soil Type: Base to Acidic Neutral loam or sand
Soil: Dry to Wet Moist to wet
Light: Sun to Shade Full sun
Zone 4-10 Zones 3-9

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