General Plant Information (Edit)
Plant Habit: Herb/Forb
Life cycle: Perennial
Sun Requirements: Full Sun
Full Sun to Partial Shade
Water Preferences: Wet Mesic
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 4a -34.4 °C (-30 °F) to -31.7 °C (-25 °F)
Maximum recommended zone: Zone 8b
Plant Height: 8-15 inches
Plant Spread: 15-20 inches
Flowers: Showy
Flower Color: Blue
Flower Time: Late spring or early summer
Summer
Late summer or early fall

Image
Common names
  • Northern Dragonhead
  • Siberian Dragon's Head
Also sold as:
  • Blue Dragon

Photo Gallery
Location: Bogie Lake Greenhouse, White Lake, MI
Date: 2009-07-06
Location: Schwartz Nursery, Romulus, MI
Date: 2010-05-24
Location: Schwartz Nursery, Romulus, MI
Date: 2010-05-24
Location: Schwartz Nursery, Romulus, MI
Date: 2010-05-24
Location: Bogie Lake Greenhouse, White Lake, MI
Date: 2009-07-06

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