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Helianthus salicifolius Autumn Gold

Scientific Name : Helianthus salicifolius

Common Name : Narrow-Leaved Sunflower

Hardiness Zone : 5a - 10a

Hardiness Degree : -20°F (-29°C)

Blooming Season : Autumn

Plant Habit : Mounded

Characteristics : Drought Tolerant, Rabbit Resistant, Low Maintenance

Water : Light

Fertilizer : Once a month

Spacing : 24 - 26" (61 - 66cm)

Height : 24 - 26" (61 - 66cm)

Width : 20 - 24" (51 - 61cm)

Exposure : Sun

General Information : A wonderful addition to the perennial garden.
Narrow, dark-green leaves give the plant a shrub-like appearance during Spring and Summer.
Once Fall arrives, the plants are completely covered with golden-yellow flowers until hard frost.

Idea & Tips : Plant in a sunny location.
Flowers naturally in the Fall with an impressive display of golden-yellow flowers that will last well beyond frost.
Drought tolerant once established.
Remove previous year’s growth each Spring once frost is out of the ground or before new growth begins.

Grower Information : Excellent Fall-flowering companion to garden mums.

Hardy and drought tolerant once established.
An attractive, maintenance-free perennial with bright golden yellow flowers that bloom from September until November or hard frost.

Dallas Arboretum FlameProof Award

'Autumn Gold'

Protection Information : PP30,117

(Flowering Only License)

Breeder : Darwin Perennials

Propagation Guide
- Media EC/pH:
  
  EC 0.80 mmhos/pH 5.8-6.2
  
  Soil Temperature:
  
  70-74°F (21-23°C)
  
  Rooting Hormone:
  
  500 ppm IBA
  
  Mist:
  
  Low
  
  Fertilization:
  
  Feed at 100 ppm N after 9 days
  
  Pinching:
  
  Pinch once shoots elongate for best branching.
  
  Transplanting:
  
  35-42 days after sticking
  
  Comments:
  
  Typically remove from propagation area after two weeks. Don't keep rooting media excessively wet. Use long-day lighting when propagating when day length is less than 12 hours.
Finishing Guide
- Media pH:
  
  5.8-6.2
  
  Temperature:
  
  55 to 70°F (13 to 21°C)
  
  Light Level (fc):
  
  5,000 to 8,000
  
  Vernalization:
  
  No
  
  Daylength:
  
  Short day obligate
  
  Watering:
  
  Low to moderate
  
  Fertilization:
  
  Use a balanced fertilizer at a rate of 150 ppm N.
  
  Pinch After Transplant:
  
  Typically not necessary if plants were pinched in the liner.
  
  Plant Growth Regulators:
  
  PGRs generally not needed
  
  Pests and Fungal Diseases:
  
  Very pest and disease resistant.
Crop Scheduling
- 1–qt. (10–cm) pot, 1 plant per pot:
  
  Not recommended
  
  1–gal. (15–cm) pot, 1 plant per pot:
  
  12-14 wks. Plant Week 22-26
  
  2 to 3–gal. (25 to 30–cm) pot, 3 plants per pot:
  
  12-14 wks. Plant Week 22-26
  
  Bloom Months:
  
  September to November

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