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Asteraceae
Helianthus, Mountain Sunflower, Narrow-Leaved Sunflower, Swamp Sunflower 'Gold Lace'
Helianthus angustifolius
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Family
Asteraceae
(ass-ter-AY-see-ee)
Info
Genus
Helianthus
(hee-lee-AN-thus)
Info
Species
angustifolius
(an-gus-tee-FOH-lee-us)
Info
Synonym
Sun Exposure
Full Sun
Foliage
Herbaceous
This plant is resistant to deer
Height
6-8 ft. (1.8-2.4 m)
Spacing
9-12 in. (22-30 cm)
Hardiness
USDA Zone 6a: to -23.3 °C (-10 °F)
USDA Zone 6b: to -20.5 °C (-5 °F)
USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)
USDA Zone 9a: to -6.6 °C (20 °F)
Danger
Unknown - Tell us
Bloom Color
Bright Yellow
Bloom Time
Mid Fall
Late Fall/Early Winter
Other Details
Category
Perennials
Water Requirements
Requires consistently moist soil; do not let dry out between waterings
Very high moisture needs; suitable for bogs and water gardens
Foliage Color
Unknown - Tell us
Where to Grow
Unknown - Tell us
Bloom Characteristics
This plant is attractive to bees, butterflies and/or birds
Bloom Size
Unknown - Tell us
Other details
May be a noxious weed or
invasive
Soil pH requirements
Unknown - Tell us
Patent Information
Unknown - Tell us
Propagation Methods
By dividing the rootball
From seed; direct sow outdoors in fall
From seed; direct sow after last frost
Self-sows freely; deadhead if you do not want volunteer seedlings next season
Seed Collecting
Allow seedheads to dry on plants; remove and collect seeds
Regional
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One member has or wants this plant for trade
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