General Plant Information (Edit)
Plant Habit: Herb/Forb
Life cycle: Perennial
Sun Requirements: Full Sun to Partial Shade
Water Preferences: Wet Mesic
Mesic
Soil pH Preferences: Moderately acid (5.6 – 6.0)
Slightly acid (6.1 – 6.5)
Neutral (6.6 – 7.3)
Minimum cold hardiness: Zone 5b -26.1 °C (-15 °F) to -23.3 °C (-10 °F)
Plant Height: 6 to 8 feet
Plant Spread: Forms clusters to 6 feet in width.
Leaves: Evergreen
Other: depending on zone either evergreen or deciduous
Fruit: Edible to birds
Flowers: Showy
Fragrant
Flower Color: Yellow
Bloom Size: 1"-2"
Flower Time: Late summer or early fall
Fall
Late fall or early winter
Underground structures: Taproot
Suitable Locations: Bog gardening
Uses: Cut Flower
Will Naturalize
Suitable as Annual
Wildlife Attractant: Bees
Birds
Butterflies
Resistances: Deer Resistant
Humidity tolerant
Propagation: Seeds: Suitable for wintersowing
Sow in situ
Can handle transplanting
Propagation: Other methods: Division
Miscellaneous: Goes Dormant

Image
Common names
  • Swamp Sunflower
  • Narrow-Leaved Sunflower
  • Mountain Sunflower

Photo Gallery
Location: Sullivans Island, SC
Date: 2015-10-18
Photo by Hamwild
Location: zone 8 Lake City, Florida
Date: 2011-10-20
along the roadside
Location: Orangeburg, SC
Date: 10-16-2012
Cheery blooms
Location: Daytona Beach, Florida
Date: 2015-10-02
Photo by Horntoad
Location: Laura’s frt bed
Date: 2019-10-10
Photo by stone
Location: Savannah, Georgia, USA
Date: 2014-10-21
Location: Daytona Beach, Florida
Date: 2015-10-26
I did not plant these Sunflowers, they just popped up a couple of
Location: Daytona Beach, Florida
Date: 2014-10-12
Towering above the roof of the house
Location: Daytona Beach, Florida
Date: 2013-10-02
Location: Daytona Beach, Florida
Date: 2013-09-30
Location: my garden
Location: My yard in Arlington, Texas.
Date: 2012-10-26
The seed pods are beautiful.
Location: My yard in Arlington, Texas.
Date: 2012-10-18
The leaves resemble milkweed.
Location: zone 8 North Central, Fl.
Date: 2016-09-29
Location: Fountain, Florida
Date: 2011-10-20
this plant self sows like crazy
Location: Daytona Beach, Florida
Date: 2014-10-10 
This one popped up and grew above the roofline of the house!
Location: Daytona Beach, Florida
Date: 2013-10-03

Credit Karan A. Rawlins, University of Georgia, Bugwood.org
Location: My yard in Arlington, Texas.
Date: 2012-10-18
Group of blooms.
Location: My yard in Arlington, Texas.
Date: 2012-10-26
Lovely plant likes lots of water.
Photo by piksihk
Location: zone 8 Lake City, Florida
Date: 2011-10-20
along the roadside
Location: Shreveport, Louisiana
Date: December 18,  2021
Swamp Sunflower Seeds
Photo by greene
Location: Fountain, Florida
Date: 2011-10-20

Date: 2009-03-02
USDA

Date: 2006-05-24
USDA

Credit Karan A. Rawlins, University of Georgia, Bugwood.org

Credit Karan A. Rawlins, University of Georgia, Bugwood.org
Location: Daytona Beach, Florida
Date: 2013-10-03

Credit Karan A. Rawlins, University of Georgia, Bugwood.org

Credit Karan A. Rawlins, University of Georgia, Bugwood.org

Credit Karan A. Rawlins, University of Georgia, Bugwood.org

USDA

Credit David Stephens, Bugwood.org

Credit James H. Miller & Ted Bodner, Southern Weed Science Societ
Location: Daytona Beach, Florida
Date: 2013-10-02
Location: Daytona Beach, Florida
Date: 2013-10-02
Location: Daytona Beach, Florida
Date: 2013-10-02
Location: New Jersey Pine Barrens
Date: September
credit: Choess
Location: Daytona Beach, Florida
Date: 2014-11-12

Photo Courtesy of Lazy S'S Farm Nursery.
  • Uploaded by Joy

Photo courtesy of Joy Creek Nursery
  • Uploaded by Joy
Location: Fountain, Florida
Date: 2011-12-09
not really a pod, but rather seed heads

Courtesy Crownsville Nursery
  • Uploaded by vic
Location: zone 8 North Central, Fl.
Date: 2016-09-29
Location: zone 8 North Central, Fl.
Date: 2016-09-29
Location: Fountain, Florida
Date: 2011-10-30
This plant is tagged in:
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Comments:
  • Posted by gingin (Fountain, Florida - Zone 8b) on Dec 9, 2011 3:52 PM concerning plant:
    This plant is a VERY prolific self sower! I would suggest planting it somewhere you won't mind if it tries to take over. Roots run deep. New plants are easiest to pull in the spring when they first appear. Otherwise, be prepared to dig.
Plant Events from our members
flaflwrgrl On June 17, 2016 Obtained plant
From Betsy in Texas.
flaflwrgrl On June 17, 2016 Miscellaneous Event
Planted east field.
piksihk On October 25, 2020 Bloomed
piksihk On October 10, 2019 Bloomed
piksihk On October 6, 2015 Bloomed
greene On September 25, 2015 Obtained plant
In bloom now. This must be very happy in my garden as it has grown to over 12 feet in height.
lovesblooms On August 9, 2015 Bloomed
lovesblooms On April 20, 2015 Seeds germinated
lovesblooms On January 29, 2015 Seeds sown
paleohunter On October 20, 2021 Potted up
paleohunter On May 30, 2021 Obtained plant
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