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Asteraceae
Centaurea montana
Centaurea montana
Also known as Centaurea serrata, Centaurea seusana var. angustifolia, Centaurea graminifolia, Jacea alata
Native Plants · Mountain Cornflower · Centaurea · Blue Flowers · Perennial · Pollinator · Cottage Garden · Easy Care · Border Plant · Wildflower · Spreading
Mountain cornflower (Centaurea montana) is a cheerful, spreading perennial producing vivid blue, fringed flowers from late spring into summer. It grows happily in average soil with partial shade to full sun and needs minimal care once established. Deadhead spent blooms to encourage a second flush of flowers and divide clumps every few years to keep it vigorous.
Growing conditions
The details behind the basics
- Daily light
- 4 hours
- Watering
- Water moderately; allow the top inch of soil to dry between waterings · Every 7-10 days
- Maintenance
- Low
- Soil
- loam
- Soil pH
- 6–7.5
- Temperature
- -30°F to 95°F
- Cycle
- Perennial
Hardiness
USDA 4a-9b
Form & growth
Mature size and habit
- Mature height
- 12 in – 3 ft
- Spacing
- 18 in apart
- Growth rate
- Moderate
- Root depth
- Medium
- Flowers
- No
- Foliage
- Medium
Ecology & origin
Where it belongs and what it brings
- Native to
- Alaska, Austria, Baltic States, Belgium, British Columbia, Czechoslovakia, Finland, France, Germany, Great Britain, Idaho, Ireland, Italy, Jawa, Maine, Michigan, Minnesota, Montana, Netherlands, New Brunswick
- Attracts
- Bees, Butterflies
Sources: trefle, usda
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