Common Name: Small-headed Sunflower, Small Woodland Sunflower Part sun, medium to moderately dry moisture level, very adaptable to soil type, neutral to slightly alkaline pH. 3-6 feet height, blooms late…
Helianthus microcephalus
Helianthus grosseserratus
Common Name: Sawtooth Sunflower Full sun, moderately wet to moderately dry moisture level, tolerant of a wide range of soils including clay, circumneutral pH. 4 feet height, blooms late summer…
Helianthus silphioides
Common Name: Rosinweed Sunflower, Ozark Sunflower, Silphium Sunflower Full sun; moderately wet to moderately dry moisture level; adapts to a wide range of soils including clay, sandy, and rich loam.…
Helianthus strumosus
Common Name: Pale-leafed Sunflower, Paleleaf Woodland Sunflower Full to part sun, moderately wet to moderately dry moisture level, adaptable to most soils including clay, acidic pH. 3-7 feet height, blooms…
Helianthus angustifolius
Common Name: Narrow-leaved Sunflower, Swamp Sunflower Full sun, moderately wet to medium moisture level, tolerant of a wide range of soils except rocky, moderately to slightly acid pH. 5-7 feet…
Helianthus maximiliani
Common Name: Maximilian’s Sunflower Full sun, moderately wet to moderately dry moisture level, tolerant of a wide range of soils including clay. 7 feet height, blooms late summer and fall,…
Helianthus tuberosus
Common Name: Jerusalem Artichoke, Sunchoke Full to part sun, medium to moderately dry moisture level, best in fertile sandy loam, very strongly acid to moderately alkaline pH. 6-10 feet height,…
Helianthus hirsutus
Common Name: Hairy Sunflower, Rough Sunflower, Stiff-hair Sunflower, Bristly Sunflower, Whiskered Sunflower Full to part sun; medium to moderately dry moisture level; clay loam, loamy, rocky or sandy soils; acidic…
Helianthus giganteus
Common Name: Giant Sunflower, Tall Sunflower Full sun, moderately wet to medium moisture level, sandy soil. 8 feet height, blooms late summer and fall, yellow flowers, spreads aggressively by rhizomes.…
Helianthus occidentalis
Common Name: Fewleaf Sunflower, Western Sunflower Full sun, medium to dry moisture level, tolerant of a wide range of soils including clay. 2-4 feet height, blooms late summer and fall,…