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CENTAUREA montana 'Purple Heart'
Commonly known as Mountain knapweed, Perennial cornflower
White cornflower with purple centre
Full Plant Details - Sun/Soil & other attributes - Click to close
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Floweringlocal_floristJanlocal_floristFeblocal_floristMarlocal_floristAprlocal_floristMaylocal_floristJunlocal_floristJullocal_floristAuglocal_floristSeplocal_floristOctlocal_floristNovlocal_floristDec
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Good to know
Wildlife plant - insects -
Pests & Diseases
Powdery mildew -
Place of origin
Central Europe, central Italy, Slovenia, Croatia, Bosnia -
DeciduousL
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Purple
Shades of purple/mauve/lilac/violetPurple centre -
White
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BorderSuits a mixed or herbaceous border
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Fully hardy
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Height
45cm (18in) -
Spread
60cm (24in) -
Bulb/Corm or rhizomatous perennialRhizomatous, mat-forming perennial. Produces 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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Very hardy
Hardy in the severest continental climates including exposed upland locations in the UK. Plant can withstand temperatures < -20 (-4°F) -
Summer Seasonal Interest
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Fertile moist well-drained soil
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Full sun
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Partial shade
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Bee friendly
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Butterfly friendly
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Mature Size45cm (18in)
60cm (24in)
View Planting Tips and Care Advice
Centaurea - Growing Guide