Phormium Tenax ‘Platt’s Black’.
The Phormium Tenax ‘Platt’s Black’, also known as New Zealand Flax is one of the easiest exotics to grow. Really striking, this clump forming perennial has long, sword shaped arching leaves, deep purple to 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 contrast to your garden, great if you,re looking for a stylish contemporary feel. Perfect for growing in pots too.