General Plant Information (Edit)
Plant Habit: Herb/Forb
Life cycle: Perennial
Sun Requirements: Full Sun
Water Preferences: Mesic
Dry Mesic
Dry
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: 1 to 3 feet
Leaves: Deciduous
Fruit: Edible to birds
Flowers: Showy
Flower Color: Purple
Bloom Size: 1"-2"
Flower Time: Summer
Late summer or early fall
Uses: Medicinal Herb
Wildlife Attractant: Bees
Birds
Butterflies
Resistances: Deer Resistant
Drought tolerant
Propagation: Seeds: Self fertile
Pollinators: Self
Moths and Butterflies
Flies
Bees
Miscellaneous: Tolerates poor soil

Image
Common names
  • Greater Knapweed
  • Scabious Knapweed
  • Greater Centaury

Photo Gallery
Location: Missouri Botanical Garden in St Louis
Date: 2023-06-08
Location: My garden in Kalama, Wa. Zone 8
Date: 2013-08-14
  • Uploaded by Joy
Location: Botanical Garden KIT, Karlsruhe, Germany
photo credit: H. Zell
Location: My garden in Kalama, Wa. Zone 8
Date: 2013-08-14
  • Uploaded by Joy

Photo by Leo Michels

Photo by Leo Michels
Location: In my garden in Kalama, Wa.
Date: 2009-07-12
  • Uploaded by Joy

Photo courtesy of Select Seeds

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