General Plant Information (Edit)
Plant Habit: Herb/Forb
Life cycle: Perennial
Sun Requirements: Full Sun to Partial Shade
Partial or Dappled Shade
Partial Shade to Full 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)
Maximum recommended zone: Zone 11
Plant Height: 12-14 inches
Plant Spread: 12-18 inches
Leaves: Evergreen
Other: Dark green upper, purple reverse
Flowers: Showy
Flower Color: Blue
Bloom Size: Under 1"
Flower Time: Summer
Late summer or early fall
Suitable Locations: Houseplant
Uses: Suitable as Annual
Wildlife Attractant: Butterflies
Resistances: Humidity tolerant
Containers: Needs excellent drainage in pots
Miscellaneous: Tolerates poor soil

Image
Trade name information:
Series: Velvet™
Trade Name: Idol
Cultivar name: 'TNPLEVI'
Common names
  • Spur Flower

Photo Gallery
Location: Longwood Gardens, Kennett Square, Pennsylvania
Date: 2021-02-25
Location: Longwood Gardens, Kennett Square, Pennsylvania
Date: 2021-02-25

Photo courtesy Terra Nova Nurseries
  • Uploaded by Joy

Photo courtesy Terra Nova Nurseries
  • Uploaded by Joy
Location: Longwood Gardens PA
Date: 2022 Oct
in conservatory

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