Overview

Phormium tenax 'Nanum Purpureum' is a clump-forming shrubs in the genus Phormium, part of the Asphodelaceae family, with evergreen, leathery, strap-shaped leaves foliage. Phormium tenax 'Nanum Purpureum' grows best in full sun, and tolerates loam soils and neutral pH. Its UK hardiness is rated H4. Suggested uses include borders, gravel gardens and containers.

About

Phormium tenax is an evergreen perennial plant native to New Zealand and Norfolk Island that is an important fibre plant and a popular ornamental plant. The plant grows as a clump of long, straplike leaves, up to two metres long, from which arises a much taller flowering shoot, with dramatic yellow or red flowers.

Growing conditions

Best soil and position for Phormium

Sunlight
Full sun
Soil type
Loam
Soil pH
Neutral
Soil moisture
Well-drained
Aspect
South-facing
Exposure
Sheltered
UK hardiness
H4

Plant details

Phormium tenax 'Nanum Purpureum' size, habit and characteristics

Plant type
Shrubs
Habit
Clump-forming
Foliage
Evergreen, leathery, strap-shaped leaves
Suggested uses
Borders, gravel gardens, containers

Care notes

Pruning and caring for Phormium tenax 'Nanum Purpureum'

Propagation
Division, seed
Pest resistance
Resistant to deer and rabbits
Disease resistance
Generally disease-resistant

Frequently asked questions

Where is the best place to plant Phormium tenax 'Nanum Purpureum'?

Phormium tenax 'Nanum Purpureum' prefers full sun. It suits sheltered positions.

What soil does Phormium tenax 'Nanum Purpureum' need?

Phormium tenax 'Nanum Purpureum' grows best in loam soil. It prefers neutral soil. Aim for soil that stays well-drained.

Is Phormium tenax 'Nanum Purpureum' hardy in the UK?

Phormium tenax 'Nanum Purpureum' has an RHS hardiness rating of H4, meaning it is hardy through an average UK winter, tolerating -10 to -5°C.

How do I propagate Phormium tenax 'Nanum Purpureum'?

Division, seed.

More in the Phormium genus

Browse all Phormium