Helianthus angustifolius, Swamp sunflower

Swamp sunflower
Helianthus angustifolius

Hardiness: Zone 5 to zone 9
Plant type: Flowering and foliage perennial
Height: 4'-5'
Spread: 4'-6' 
Sun: Full sun to part shade
Water: Medium
Bloom time: August to November
Bloom color: Yellow
Soil: Grows well in most soil from sandy to clay loam

Other notes: Attracts birds