General Plant Information (Edit)
Plant Habit: Herb/Forb
Life cycle: Perennial
Sun Requirements: Full Sun
Full Sun to Partial Shade
Water Preferences: Mesic
Soil pH Preferences: Slightly acid (6.1 – 6.5)
Neutral (6.6 – 7.3)
Slightly alkaline (7.4 – 7.8)
Minimum cold hardiness: Zone 9a -6.7 °C (20 °F) to -3.9 °C (25 °F)
Plant Height: 15 - 24 inches
Plant Spread: 12 - 15 inches
Leaves: Semi-evergreen
Flowers: Showy
Flower Color: Orange
Bloom Size: Under 1"
Flower Time: Late spring or early summer
Summer
Late summer or early fall
Fall
Propagation: Other methods: Cuttings: Tip
Division
Containers: Suitable in 1 gallon
Suitable in 3 gallon or larger

Image
Common names
  • Twinspur

Photo Gallery
Location: RHS Harlow Carr, Yorkshire UK
Date: 2022-06-24
Location: RHS Harlow Carr, Yorkshire UK
Date: 2022-10-10

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