General Plant Information (Edit)
Plant Habit: Herb/Forb
Life cycle: Perennial
Sun Requirements: Full Sun
Full Sun to Partial Shade
Water Preferences: In Water
Soil pH Preferences: Slightly acid (6.1 – 6.5)
Neutral (6.6 – 7.3)
Slightly alkaline (7.4 – 7.8)
Minimum cold hardiness: Zone 10b +1.7 °C (35 °F) to +4.4 °C (40 °F)
Plant Height: 6 to 8 inches
Plant Spread: 24 to 36 inches
Flowers: Showy
Flower Color: Yellow
Bloom Size: 1"-2"
Underground structures: Rhizome
Suitable Locations: Bog gardening
Uses: Water gardens
Propagation: Other methods: Division
Pollinators: Beetles
Flies

Image
Common names
  • Spatterdock
Botanical names
  • Accepted: Nuphar japonicum
  • Synonym: Nuphar japonica
  • Synonym: Nuphar japonica var. rubrotinctum
  • Synonym: Nuphar japonica var. stenophylla

Photo Gallery

Date: 2010-06-26
Photo courtesy of: Yoko Nekonomania

photo credit: KENPEI

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