Overview
Phormium colensoi 'Emerald Green' is a clump forming shrubs in the genus Phormium, part of the Asphodelaceae family, with evergreen foliage. Phormium colensoi 'Emerald Green' grows best in full sun, and tolerates loam and sand soils and any pH. Its UK hardiness is rated H5. Suggested uses include architectural, city and courtyard gardens, gravel garden, coastal, low maintenance and flower borders and beds.
About
Phormium colensoi 'Emerald Green' is a cultivar of Phormium, a genus of evergreen perennial shrubs known for their dense clumps of thick, strap-like foliage. This cultivar forms clumps of vibrant green leaves and thrives in full sun across various aspects and exposures, including exposed and sheltered sites. It prefers fertile, well-drained loam or sandy soils with a range of pH levels. Hardy to UK zone H5, it is suitable for architectural planting, city and courtyard gardens, gravel gardens, coastal areas, and low-maintenance flower borders. It flowers in spring and summer, producing elongated panicles with small tubular flowers.
Growing conditions
Best soil and position for Phormium
- Sunlight
- Full sun
- Soil type
- Loam, Sand
- Soil pH
- Acid, Alkaline, Neutral
- Soil moisture
- Well-drained
- Aspect
- South-facing, East-facing, West-facing, North-facing
- Exposure
- Exposed, Sheltered
- UK hardiness
- H5
Plant details
Phormium colensoi 'Emerald Green' size, habit and characteristics
- Plant type
- Shrubs
- Habit
- Clump forming
- Foliage
- Evergreen
- Suggested uses
- Architectural, City and courtyard gardens, Gravel garden, Coastal, Low Maintenance, Flower borders and beds
Care notes
Pruning and caring for Phormium colensoi 'Emerald Green'
- Propagation
- Seed sown in spring, Division in spring
- Pest resistance
- Phormium mealybug
- Disease resistance
- Honey fungus (rarely)
Frequently asked questions
Where is the best place to plant Phormium colensoi 'Emerald Green'?
Phormium colensoi 'Emerald Green' prefers full sun. It suits exposed and sheltered positions.
What soil does Phormium colensoi 'Emerald Green' need?
Phormium colensoi 'Emerald Green' grows best in loam and sand soil. It is happy in soil of any pH. Aim for soil that stays well-drained.
Is Phormium colensoi 'Emerald Green' hardy in the UK?
Phormium colensoi 'Emerald Green' has an RHS hardiness rating of H5, meaning it is hardy in most of the UK, tolerating -15 to -10°C.
How do I propagate Phormium colensoi 'Emerald Green'?
Seed sown in spring, Division in spring.
More in the Phormium genus
- Phormium colensoimountain flax
- Phormium tenax 'Nanum Purpureum'
- Phormium tenax 'Williamsii Variegatum'
- Phormium 'Dark Delight'