PLANT BASE

Helianthus angustifolius

Swamp sunflower

Height
Spread
Growth
habit
5-9
5-7'
4-6'
Form                           Lifecycle              Hardiness zone*
Stalks
Flower
Perennial

Narrow leaved sunflower, Narrowleaf sunflower

APPEARANCE
Bloom time
Bloom color
September-November
Violet/ pinkish
USE FOR
Seasonal interest
ENVIRONMENT
Terminal clusters
Light
Water
Soil
Soil pH
Clay, Loam, Sand
Average
Soil Preference
Moist to wet
HABITAT & NATIVE RANGE
Floodplains, bottom lands, wet areas, meadows, swamps and bogs
Eastern US to Missouri, Oklahoma, and Texas
ENVIRONMENTAL TOLERANCE
Clay soil, Wet soil, Black walnut
BROWSE TOLERANCE
Clay soil, Wet soil, Black walnut
Tolerance to browse by animals typically happens once plants are established. Young plants may still be quite susceptible.
SUGGESTED MAINTENANCE & COMMON PROBLEMS
Divide every 2-3 years, don't add thick mulch as will cause rot
COMPANION PLANTS
New York ironweed,Aromatic aster,Little bluestem,Swamp milkweed,Wild bergamot,Switchgrass
COMPANION TREES & SHRUBS
NOTES

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