Sunflower - Tall (Helianthus giganteus)
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Blooming July to October, the the flowers of Helianthus giganteus (Tall Sunflower) consist of 10-20 yellow rays arranged in loose clusters. The overall height can, as the name implies, be quite tall, reaching 8' with purplish stems and spreading hairs. H. giganteus grows well in moist soil and full to partial shade. However, it is aggressive and rhizomatous and therefore may not be suitable for small landscape plantings.
Sun Exposure - Full, Partial
Soil Moisture - Medium-Wet, Medium
Height - 8 feet
Bloom Time - July, August, September
Bloom Color - Yellow
Photo courtesy of Prairie Moon Nursery.
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