Details of...
Scientific Name: Centaurea montana
Pronunciation: sen-tore-EE-uh mon-TAY-nuh
Common Name: bachelor's buttons
Family Name: Asteraceae
Plant Type: Herbaceous perennial, Invasive plant, Weed (horticultural)
Key ID Features:
Course(s): Level 2 Apprenticeship

Habit: Arching, Spreading, Upright
Form: Oval - horizontal
Texture: Medium
Mature Size:
Height:0.4 - 0.7m
Spread:0.6 - 1.0m
Growth Rate:Moderate
Origin: Europe
Hardiness Rating: Zone 3: (-40 to -34 C)
Exposure: Full sun, Part sun/part shade
Soil/ Growing Medium: Well-drained
Water Use: Moderate
Landscape Uses: Attract beneficial insects, Bedding plant, Perennial border, Rock garden
Additional Info: Google Images. Cultivars shown or on campus may include C. 'Mountain Bluet' and C. 'Amethyst in Snow'.
bachelor's buttons
Leaf Morphology:
Form: Simple
Arrangement: Alternate
Texture/ Venation: Pinnate venation, Soft flexible
Surfaces: Pubescent
Colour in Summer: Green
Colour in Fall: Green
Leaf(let) Terms:
Shapes: Elliptic, Lanceolate, Ovate
Apices: Acute
Bases: Cuneate
Margins: Entire

Inflorescence Type: Head (capitulum)
Flower Morphology:
Corolla Shape:Ligulate
Colour (petals): Blue, Purple
Flower Time at Peak: Apr, May, Jun, Jul

Fruit Type: Achene
Fruit Colour: Brown
Fruiting Time:

Bark or Stem Colour:

Propagation: Seed, Division - below ground parts
Pest Susceptibility: Blight or needle cast, Mildew, Mold, Rabbit resistant
(GAZ) GAZebo
(GAZN) GAZebo North
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