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CENTAUREA montana 'Alba'
Commonly known as Mountain knapweed, Perennial cornflower
Pure white flowers growing up to 45cms(18ins)
Further Reading....
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DeciduousLance-shaped, mid-green leaves, woolly beneath, 6cm (2½in) long
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White
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Height45cm (18in)
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Spread60cm (24in)
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Bulb/Corm or rhizomatous perennialRhizomatous, mat-forming perennial. Flowers 5cm (2in) across
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HerbaceousEarly in the year, typically January till end of March, herbaceous plants might be supplied in 9cm pots to ensure timely despatch.
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Hardy - cold winterHardy in most places throughout the UK even in severe winters. May not withstand open/exposed sites or central/northern locations. Plant can withstand temperatures down to -15°C (5°F)
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Full sun
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Partial shade
CENTAUREA montana 'Alba'
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Additional FeaturesGood to knowWildlife plant - nectar and pollen for insects.Pests & DiseasesPowdery mildew.Place of originCentral Europe, Slovenia, Croatia, Bosnia, central Italy,
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Garden Location/ConditionsBorderSuits a mixed or herbaceous border
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HardinessFully hardy
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Seasonal InterestSummer
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Soil ConditionsFertile moist well-drained soil
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WildlifeBee friendlyButterfly friendly
Jan
Feb
Mar
Apr
May
Jun
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Aug
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Centaurea - Growing Guide
Herbaceous Plants - Video Collection
- Dividing Herbaceous Perennials - Video Tip ondemand_video
- Spring Planting Osteospermums - Video Tip ondemand_video
- Dividing Summer Perennials - Video Tip ondemand_video
- Dividing summer flowering Hemerocallis - Video Tip ondemand_video
- Summer propagation - Video Tip ondemand_video
- Self-seeding aquilegia - Video Tip ondemand_video
- Supporting Plants - Video Tip ondemand_video
- Dead heading meconopsis - Video Tip ondemand_video
- Dead heading Delphiniums - Video Tip ondemand_video
- Feeding herbaceous peonies - Video Tip ondemand_video
- Overpotting Problems - Video Tip ondemand_video
45cm (18in)
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60cm (24in) |
Useful extras...
Fertilisers & Feeds - Empathy
Afterplant - Grow Your Own
AFTER PLANT GROW YOUR OWN seaweed is ready to use liquid concentrate that was specially formulated be used on all edible plants.
Only £8.00
Fertilisers & Feeds - Empathy
Afterplant - Tomatoes
AFTER PLANT TOMATO FEED Liquid Concentrate with Bio stimulant is a high potash liquid concentrate containing seaweed extract, plant derived amino acids and other nutrients specifically formulated to benefit tomatoes and greenhouse plants.
Only £8.00
Fertilisers & Feeds - Empathy
Rootgrow mycorrhizal fungi
Recommended by the RHS. Contains Rootgrow™ mycorrhizal fungi. Suitable for all trees and shrubs (except rhododendrons, azaleas, heathers, cranberries and blueberries)
3 options from £3.00
Fertilisers & Feeds - Empathy
Rootgrow Ericoid mycorrhizal fungi
This specially adapted Rootgrow™ mycorrhizal fungi will boost the growth of acid-loving plants like rhododendrons, azaleas, heathers and blueberries.
It contains ericoid and arbuscular mycorrhizal fungi, which are found in poor acidic soils where ericaceous plants naturally grow.
Only £7.50
Fertilisers & Feeds - Empathy
All-purpose Seaweed Stimulant
All-purpose organic concentrated seaweed feed that is a ready to use, derived from sustainable harvested kelp, that can be used on all outdoor and indoor plants, except acid loving plants.
Perfect used in conjunction with Rootgrow™.
Only £7.50
Fertilisers & Feeds - Vitax
Blood, Fish & Bone
Improves vegetable, fruit and flower quality. Blood, Fish and Bone
contains three major nutrients essential for strong and healthy growth.
Only £6.00