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Summary
Bloom Color: Blue.
Main Bloom Time: Early summer, Late spring. Form: Irregular or sprawling.
Physical Characteristics
Centaurea Montana is a PERENNIAL growing to 0.5 m (1ft 8in) by 1 m (3ft 3in) at a fast rate.
See above for USDA hardiness. It is hardy to UK zone 3 and is not frost tender. It is in flower from May to August, and the seeds ripen from July to September. The species is hermaphrodite (has both male and female organs) and is pollinated by Bees, flies, Lepidoptera (Moths & Butterflies). The plant is self-fertile.
It is noted for attracting wildlife.
Suitable for: light (sandy), medium (loamy) and heavy (clay) soils, prefers well-drained soil and can grow in nutritionally poor soil. Suitable pH: mildly acid, neutral and basic (mildly alkaline) soils and can grow in very alkaline soils.
It cannot grow in the shade. It prefers dry or moist soil and can tolerate drought.
UK Hardiness Map
US Hardiness Map
Synonyms
Plant Habitats
Woodland Garden Sunny Edge; Ground Cover;
Edible Uses
References More on Edible Uses
Medicinal Uses
Plants For A Future can not take any responsibility for any adverse effects from the use of plants. Always seek advice from a professional before using a plant medicinally.
Antitussive Astringent Diuretic Emmenagogue Ophthalmic Purgative Tonic
Mountain cornflower is seldom used in modern herbalism, though it does still have a reputation in parts of Europe as a wash for tired eyes[268]. It is considered to be most effective on blue eyes, great plantain (Plantago majus) being used for brown eyes[268]. The dried flowers are antitussive, astringent, weakly diuretic, emmenagogue, ophthalmic, very mildly purgative and tonic[9]. An infusion can be used as a treatment for dropsy, constipation, as a mouthwash for bleeding gums and as an eye bath for conjunctivitis[9].
References More on Medicinal Uses
The Bookshop: Edible Plant Books
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Other Uses
References More on Other Uses
Cultivation details
Landscape Uses:Border, Container, Massing, Specimen. Succeeds in ordinary garden soil[1, 200]. Prefers a moist well-drained fertile soil and a sunny position[200]. Tolerates dry, low fertility and alkaline soils[200]. Plants are hardy to at least -20°c[187]. A very ornamental plant[1], there are some named varieties[187]. The plants have creeping rhizomes and form spreading patches[187]. A good bee plant[108]. Members of this genus are rarely if ever troubled by browsing deer[233]. Special Features:
Attractive foliage, Invasive, Naturalizing, Suitable for cut flowers.
References Carbon Farming Information and Carbon Sequestration Information
Temperature Converter
Type a value in the Celsius field to convert the value to Fahrenheit:
Fahrenheit:
The PFAF Bookshop
Plants For A Future have a number of books available in paperback and digital form. Book titles include Edible Plants, Edible Perennials, Edible Trees,Edible Shrubs, Woodland Gardening, and Temperate Food Forest Plants. Our new book is Food Forest Plants For Hotter Conditions (Tropical and Sub-Tropical).
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Plant Propagation
Seed - sow March in a greenhouse. When they are large enough to handle, prick the seedlings out into individual pots and plant them out into their permanent positions in the summer. The seed is best sown as soon as it is ripe in August in a greenhouse, overwintered under cover, and planted out in spring. Division in autumn. Very easy, larger clumps can be replanted direct into their permanent positions, though it is best to pot up smaller clumps and grow them on in a cold frame until they are rooting well. Plant them out in the summer or following spring. This should be done at least once every three years in order to maintain the plants vigour. Basal cuttings in spring. Harvest the shoots when they are about 5 - 10cm long with plenty of underground stem. Pot them up into individual pots and keep them in light shade in a cold frame or greenhouse until they are rooting well. Plant them out in the summer.
Other Names
If available other names are mentioned here
Native Range
EUROPE: Finland, United Kingdom, Austria, Belgium, Switzerland, Czech Republic, Germany, Poland (south), Slovakia, Estonia, Bosnia and Herzegovina, Croatia, Italy, Serbia, Slovenia, Spain, France
Weed Potential
Right plant wrong place. We are currently updating this section.
Please note that a plant may be invasive in one area but may not in your area so it’s worth checking.
Conservation Status
IUCN Red List of Threatened Plants Status :
Growth: S = slow M = medium F = fast. Soil: L = light (sandy) M = medium H = heavy (clay). pH: A = acid N = neutral B = basic (alkaline). Shade: F = full shade S = semi-shade N = no shade. Moisture: D = dry M = Moist We = wet Wa = water.
Expert comment
Author
L.
Botanical References
200
Links / References
For a list of references used on this page please go here
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Subject : Centaurea Montana
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