General Plant Information (Edit)
Plant Habit: Herb/Forb
Life cycle: Perennial
Sun Requirements: Full Sun to Partial Shade
Water Preferences: Mesic
Minimum cold hardiness: Zone 4a -34.4 °C (-30 °F) to -31.7 °C (-25 °F)
Maximum recommended zone: Zone 7b
Plant Height: 30-36 inches
Plant Spread: 30 inches
Flowers: Showy
Flower Color: Mauve
Pink
Flower Time: Summer
Uses: Cut Flower
Propagation: Seeds: Self fertile
Pollinators: Beetles
Various insects

Image
Common names
  • Masterwort
  • Great Masterwort
  • Greater Masterwort

Photo Gallery
Location: Washington 8b
Date: 2020-05-28
Location: Washington 8b
Date: 2020-05-28
Location: Copenhagen, Denmark, EU
Date: 2017-06-12

Photo courtesy of Joy Creek Nursery

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