Centaurea montana Coerulea
Centaurea montana Coerulea
Centaurea montana Coerulea
Centaurea montana Coerulea
Centaurea montana Coerulea
Perennial Cornflower, Great Blue-bottle, Mountain Bluet, Mountain Centaury
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This plant carries a 12 months recovery warranty
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We guarantee the quality of our plants for a full growing cycle, and will replace at our expense any plant that fails to recover under normal climatic and planting conditions.
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Description
The Perennial Cornflower, Centaurea montana coerulea, is a perennial plant of alpine origin, with woolly stems and leaves.
The flowers, deep blue with a violet heart, bloom in May and June on stems about forty cm long. It is a classic flower of old gardens, where it brought a touch of colour to the "flowerless month" (June, between spring and summer bloomings), and was appreciated as a cut flower, fresh or dried.
It is now making a strong comeback, thanks to the astonishing shape of its flowers with elegant spreading heads.
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Centaurea montana Coerulea in pictures
Flowering
Foliage
Plant habit
Botanical data
Centaurea
montana
Coerulea
Asteraceae
Perennial Cornflower, Great Blue-bottle, Mountain Bluet, Mountain Centaury
Cultivar or hybrid
Other Centaurea
Available in 2 sizes
Available in 1 sizes
Available in 1 sizes
Available in 2 sizes
Available in 1 sizes
Available in 2 sizes
Available in 1 sizes
Available in 1 sizes
Available in 1 sizes
Available in 1 sizes
Planting and care
Plant your Centaurea in a moist but well-drained, neutral or alkaline soil, even a poor soil, in full sun or partial shade. You will need to stake the stems before flowering and prune them once the flowers have faded. Like most alpine plants, it is sensitive to excessive winter moisture.
Planting period
Intended location
Care
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Foolproof perennials
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Available in 2 sizes
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Available in 3 sizes
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Hardiness is the lowest winter temperature a plant can endure without suffering serious damage or even dying. However, hardiness is affected by location (a sheltered area, such as a patio), protection (winter cover) and soil type (hardiness is improved by well-drained soil).
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The flowering period indicated on our website applies to countries and regions located in USDA zone 8 (France, the United Kingdom, Ireland, the Netherlands, etc.)
It will vary according to where you live:
- In zones 9 to 10 (Italy, Spain, Greece, etc.), flowering will occur about 2 to 4 weeks earlier.
- In zones 6 to 7 (Germany, Poland, Slovenia, and lower mountainous regions), flowering will be delayed by 2 to 3 weeks.
- In zone 5 (Central Europe, Scandinavia), blooming will be delayed by 3 to 5 weeks.
In temperate climates, pruning of spring-flowering shrubs (forsythia, spireas, etc.) should be done just after flowering.
Pruning of summer-flowering shrubs (Indian Lilac, Perovskia, etc.) can be done in winter or spring.
In cold regions as well as with frost-sensitive plants, avoid pruning too early when severe frosts may still occur.
The planting period indicated on our website applies to countries and regions located in USDA zone 8 (France, United Kingdom, Ireland, Netherlands).
It will vary according to where you live:
- In Mediterranean zones (Marseille, Madrid, Milan, etc.), autumn and winter are the best planting periods.
- In continental zones (Strasbourg, Munich, Vienna, etc.), delay planting by 2 to 3 weeks in spring and bring it forward by 2 to 4 weeks in autumn.
- In mountainous regions (the Alps, Pyrenees, Carpathians, etc.), it is best to plant in late spring (May-June) or late summer (August-September).
The harvesting period indicated on our website applies to countries and regions in USDA zone 8 (France, England, Ireland, the Netherlands).
In colder areas (Scandinavia, Poland, Austria...) fruit and vegetable harvests are likely to be delayed by 3-4 weeks.
In warmer areas (Italy, Spain, Greece, etc.), harvesting will probably take place earlier, depending on weather conditions.
The sowing periods indicated on our website apply to countries and regions within USDA Zone 8 (France, UK, Ireland, Netherlands).
In colder areas (Scandinavia, Poland, Austria...), delay any outdoor sowing by 3-4 weeks, or sow under glass.
In warmer climes (Italy, Spain, Greece, etc.), bring outdoor sowing forward by a few weeks.