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Helianthus angustifolius

swamp sunflower add to wishlist

Plant types and subtypes: Perennials

Light Requirements: sun, part-sun

Water Use: medium

Soil Moisture: moist, wet

Soil Description: acid, average, poor, loam, clay, sand

Height: 3'-6'

Bloom Time: August, September, October

Bloom Color: yellow

Leaf Color: green

Hardiness Zone: 6, 7, 8, 9

Additional Tags: attracts birds, attracts butterflies, bog plant, colonizing, cut flowers, fall interest, naturalizing, pond margin plant, stream margin plant, swamp plant

Helianthus angustifolius (swamp sunflower)
  • Helianthus angustifolius (swamp sunflower)
  • Helianthus angustifolius (swamp sunflower)

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Description

Helianthus angustifolius

Also known as:

swamp sunflower

,

narrow-leaved sunflower

,

narrowleaf sunflower

Scientific Synonyms:

Helianthus angustifolius var. planifolius

Native Range & Classification

Recorded County Distribution: USDA data

Native Range:
AL, AR, DC, DE, FL, GA, IL, IN, KY, LA, MD, MO, MS, NC, NJ, NY, OH, OK, PA, SC, TN, TX, VA, WV

USDA Endangered Status:

  • Extirpated: PA
  • Threatened: IL, NY

Classification

Kingdom Plantae Plants
Subkingdom Tracheobionta Vascular plants
Superdivision Spermatophyta Seed plants
Division Magnoliophyta Flowering plants
Class Magnoliopsida Dicotyledons
Subclass Asteridae
Order Asterales
Family Asteraceae Aster family
Genus Helianthus sunflower
Species Helianthus angustifolius swamp sunflower