Coreopsis Golden Stardust

General Information

Coreopsis Golden Stardust produces abundant star-shaped flowers throughout the growing season.
They are carefree and easy to grow.

Grower Information

This Coreopsis is carefree and easy to grow!
  • Produces abundant, star-shaped flowers throughout the growing season.
  • Self-branching.
  • Mildew resistant.
  • Excellent heat tolerance.
'Golden Stardust'
Protection Information: PP30,770; UK PBR30641
(Flowering Only License)
Breeder: Darwin Perennials

Growing Information

Propagation

Media EC/pH: EC 0.75-0.80 mmhos/pH 5.8-6.2
Soil Temperature: 70-72°F (21-22°C)
Rooting Hormone: 500-1,000 ppm IBA
Mist: Moderate
Fertilization: 50-75 ppm N
Pinching: Pinch once in the liner stage.
Transplanting: 35-42 days after sticking
Comments: Use low mist settings; do not oversaturate rooting media. Root zone temperatures of 70°F (21°C). Remove flowers in propagation.

Finishing

Media pH: 5.8-6.2
Temperature: Nights: 55 to 70°F (13 to 21°C) Days: 60 to 80°F (15 to 27°C)
Light Level (fc): 5,000 to 8,000
Vernalization: No
Daylength: Day length neutral
Watering: Allow media to dry moderately between watering.
Fertilization: Use a balanced fertilizer at a rate of 125 to 150 ppm.
Pinch After Transplant: Yes
Plant Growth Regulators: Daminozide/chlormequat chloride combination at 3,750-5,000 ppm, daminozide/chlormequat chloride 500 ppm before flowering. Uniconazole-P spray can be used after flowering if needed.
Pests and Fungal Diseases: Spider mites, thrips

Crop Scheduling

1–qt. (10–cm) pot, 1 plant per pot: Rooted: 7-8 wks
1–gal. (15–cm) pot, 1 plant per pot: Rooted: 10-12 wks
2 to 3–gal. (25 to 30–cm) pot, 3 plants per pot: Rooted: 12-14 wks
Bloom Months: March to November

Garden Details

Scientific name: Coreopsis hybrida
Common Name: Tickseed
Hardiness Zone: 5a - 9b
Hardiness Degree: -25°F (-31.7°C)
Blooming Season: Early Spring, Spring, Late Spring, Summer, Late Summer, Autumn, Winter
Plant Habit: Upright
Characteristics: Attracts Bees, Attracts Butterflies, Deer Resistant, Frost Tolerant, Heat Tolerant
Water: Medium
Fertilize: Once a month
Spacing: 14 - 16 in. (36 - 41 cm)
Height: 12 - 14 in. (30 - 36 cm)
Width: 12 - 14 in. (30 - 36 cm)
Exposure: Sun

Videos

Production of Coreopsis Double the Sun
2:21
Early Spring Perennials from Kieft Seed
2:49
Growing on to Finish Coreopsis Double the Sun
1:15
Early Spring Perennials: The Choice is Easy!
2:29

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Coreopsis Golden Stardust

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