Family: Asteraceae (ass-ter-AY-see-ee) (Info)
Genus: Coreopsis (kor-ee-OP-sis) (Info)
Species: lanceolata (lan-see-oh-LAY-tuh) (Info)
Cultivar: Ruby Throat
Additional cultivar information: (aka Rotkelchen, Robin)
Category:
Perennials
Height:
12-18 in. (30-45 cm)
Spacing:
15-18 in. (38-45 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)
Sun Exposure:
Full Sun
Danger:
N/A
Bloom Color:
Bright Yellow
Bloom Time:
Late Spring/Early Summer
Mid Summer
Foliage:
Herbaceous
Other details:
Requires consistently moist soil; do not let dry out between waterings
Soil pH requirements:
5.1 to 5.5 (strongly acidic)
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
Patent Information:
Unknown - Tell us
Propagation Methods:
By dividing the rootball
From seed; winter sow in vented containers, coldframe or unheated greenhouse
From seed; sow indoors before last frost
Seed Collecting:
Allow pods to dry on plant; break open to collect seeds
Properly cleaned, seed can be successfully stored
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