Phormium cookianum 'Black Adder' (New Zealand flax 'Black Adder')

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Skill rating Beginner
skill rating
Ultimate spread 1m
max. spread
Ultimate height 1m
max. height
Time to maturity 2-5 years
to maturity
Maintenance level 1 hour care
per year

Botanical name: Phormium cookianum 'Black Adder'

Other names: New Zealand flax 'Black Adder'


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Genus: Phormium

Variety or cultivar: 'Black Adder' _ 'Black Adder' is a clump-forming evergreen perennial. It has slightly arching, upright strap-shaped leaves that are almost black with a dark-red tint.

Phormium cookianum 'Black Adder' is: Evergreen

Flower: Red in Autumn

Foliage: Black, Flushed red in All seasons

Habit: Clump-forming

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Watch out for

Specific pests: Phormium mealybug

Diseases: Generally disease free.

General care

Propagation methods: Division. REGISTER to read more...


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Phormium cookianum 'Black Adder' (New Zealand flax 'Black Adder') will reach a height of 1m and a spread of 1m after 2-5 years.


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Suggested uses: Architectural, Beds and borders, City, Coastal, Containers, Foliage only, Gravel, Low Maintenance

Cultivation: Grow moist, well-drained, fertile soil in full sun, will also tolerate partial shade. Foliage may be damaged by cold winds and hard frosts. Cut back the flower stalks to the base after they have finished.

Suitable for your garden?
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This plant likes... Garden match
Soil types: Sandy, Loamy Match unknown
Soil drainage: Well-drained, Moist but well-drained Match unknown
Soil pH: Acid, Alkaline, Neutral Match unknown
Light: Partial Shade, Full Sun Match unknown
Aspect: North, South, East, West Match unknown
Exposure: Exposed, Sheltered Match unknown
Hardiness: Tender in frost (H3), Hardy (H4) Match unknown

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Phormium with redy brown leaves

Question from Sheila Nicholson

My Phormium is 4years old and this winter it looks a state, most of the leaves are bent over. If I cut the leaves to the ground, will it regrow. Many Thanks

  • Views: 1074
  • Replies: 2
  • Posted: Wed. 3rd March 2010 18:50
  • Last reply: Thu. 4th March 2010 17:11

 

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Gardens with this plant

Stuart D. McLeod
Stuart D. McLeod
Stuart D. McLeod

My garden
My garden
Franne

A Mediterranean-style garden

 

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