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Helianthus Species, Mountain Sunflower, Narrow Leaved Swamp Sunflower, Willow Leaved Sunflower

Helianthussalicifolius

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Helianthus salicifolius by PurplePansies
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Family
Asteraceae (ass-ter-AY-see-ee)
Info
Genus
Helianthus (hee-lee-AN-thus)
Info
Species
salicifolius (sal-iss-ih-FOH-lee-us)
Info
Synonym
Helianthus filiformis
Helianthus orgyalis
Sun Exposure
Sun to Partial Shade
Foliage
Herbaceous
This plant is resistant to deer
Succulent
Height
4-6 ft. (1.2-1.8 m)
Spacing
15-18 in. (38-45 cm)
18-24 in. (45-60 cm)
Hardiness
USDA Zone 4a: to -34.4 °C (-30 °F)
USDA Zone 4b: to -31.6 °C (-25 °F)
USDA Zone 5a: to -28.8 °C (-20 °F)
USDA Zone 5b: to -26.1 °C (-15 °F)
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)
USDA Zone 9b: to -3.8 °C (25 °F)
Danger

Unknown - Tell us

Bloom Color
Gold (yellow-orange)
Bloom Time
Late Summer/Early Fall
Mid Fall
Late Fall/Early Winter
Other Details
Category
Perennials
Water Requirements
Average Water Needs; Water regularly; do not overwater
Requires consistently moist soil; do not let dry out between waterings
Foliage Color
Bronze
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
Non-patented
Propagation Methods
By dividing the rootball
By dividing rhizomes, tubers, corms or bulbs (including offsets)
From seed; direct sow outdoors in fall
From seed; winter sow in vented containers, coldframe or unheated greenhouse
From seed; sow indoors before last frost
From seed; direct sow after last frost
Self-sows freely; deadhead if you do not want volunteer seedlings next season
Seed Collecting

Unknown - Tell us

Regional

This plant is said to grow outdoors in the following regions:

Springdale, Arkansas

Capitola, California

Glendale, California

Norristown, Pennsylvania

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5 members have or want this plant for trade

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