Scientific Name: Knautia arvensis
Common Name: field scabious
Family Name: Caprifoliaceae
Origin: Central / west Asia, Europe
Hardiness Zone: Zone 3: (-40 to -34 °C)
Plant Type: Herbaceous perennial, Invasive plant
Mature Size: 0.7 - 1.3m x 0.6 - 1.0m (height x width)
Habit: Open, Spreading, Upright
Form: Oval - horizontal
Texture: Medium - fine
Landscape Uses: n/a
Exposure: Full sun
Soil or Media: Well-drained
Leaves: Simple, Lobed, Opposite, Basal, Soft flexible, Pubescent, Oblanceolate, Pinnately lobed
Flowers: Umbel, Blue, Violet, Purple, Jul-Aug-Sep
Fruit: Achene, Green, Brown, Jul-Aug, (Persistent)
Key ID Features:
Leaves opposite, most oblanceolate, 5-25cm long x 2-10cm wide (decreasing up the stem), margin variable lobing or dentate; spikes are head-like, 1.5-4cm wide, violet to blue to pinkish-purple, penduncle long and glabrous, achenes 4-6mm long, tomentose. <a href ='http://linnet.geog.ubc.ca/Atlas/Atlas.aspx?sciname=Knautia%20arvensis' target='_blank'>E-Flora BC</a>