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PHORMIUM 'Black Adder'
Commonly known as New Zealand flax
A fantastic deep burgundy coloured phormium with a semi-upright habit. Grows to 4 ft
Plant Details
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Floweringlocal_floristJanlocal_floristFeblocal_floristMarlocal_floristAprlocal_floristMaylocal_floristJunlocal_floristJullocal_floristAuglocal_floristSeplocal_floristOctlocal_floristNovlocal_floristDec
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Pests & DiseasesMealybugs.
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Place of originGarden origin (Australia)
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Resistant to honey fungusThese plants have little or few problems with honey fungus.
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Evergreen
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Fully hardy
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Height1.2m (4ft)
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Spread1.2m (4ft)
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Medium shrubTypically grow to around 4-6 feet in heightClump-forming perennial.
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Hardy - average winterHardy through most of the UK apart from inland valleys, at altitude and central/northerly locations. May suffer foliage damage and stem dieback in harsh winters in cold gardens. Plant can withstand temperatures down to -10°C (14°F)
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Mature Size1.2m (4ft)
1.2m (4ft)
Planting Tips and Care Advice
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Garden Location/Conditions
Town garden
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Soil Conditions
Fertile moist well-drained soil
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Sun Requirements
Full sunPartial shadeTolerates partial shade.
Phormiums - Care Guide