Phormium 'Black Adder'. Flax Lily 'Black Adder'.
The Phormium 'Black Adder, also known as the Flax Lily is one of the easiest exotics to grow. Really striking, this compact, clump forming evergreen perennial has long, sword shaped upright leaves, a rich and glossy deep purple almost black in colour. Tubular red flowers appear on long spikes above the foliage throughout the summer when the plants are mature enough. Tolerant of wind and salty air it is great for coastal positions.
Cold hardy down to -10 degrees, it provides great architectural interest and fantastic contrasts in your garden, great if you,re looking for a stylish contemporary feel. Perfect for growing in pots too. It is one of the newer forms of Phormium.


These plants are excellent quality from Specialist growers. Photo 1shows some of the actual plants in stock now. Please Note: Heights stated include pot sizes.

Click into the "Height" box and price of each palm is shown next to its size. UK delivery is FREE on all our palms, plants and trees.


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PHORMIUM 'Black Adder'.

SKU: PhorBlackAdd-7
Out of Stock
  • Latin Name: Phormium 'Black Adder'.

    Common Name: New Zealand Flax 'Black Adder'. Flax Lily 'Black Adder'.

    Origin: New Zealand.

    Hardiness: Down to -10 degrees.

    Growth: Very easy to grow. Rich glossy deep purple, almost black upright sword-shaped leaves. Compact and clump forming. Large spikes of red tubular flowers in Summer. Grows to around 1.2m in height.

    Sunlight: Full sun/ partial shade.

    Exposure: Exposed/sheltered. Wind and coastal tolerant.

    Soil: Well drained.

    Moisture: Keep moist.

  • Available For Delivery Now.


    All palms have been imported with phytosanitary certificates from top quality growers.