Phormium 'Red Sensation'

RHS Plant Profile
flax lily 'Red Sensation'

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An evergreen perennial to 1m tall, forming a clump of upright, sword-shaped, maroon leaves. An eye-catching accent or container plant

Position

Full sun, Partial shade

Soil Types

Chalk, Loam, Sand

Max Height

0.5-1 metres

Max Spread

0.5-1 metres

Size

Time to Maturity
2–5 years
Max Spread
0.5-1 metres
Max Height
0.5-1 metres

Growing Conditions

Chalk Loam Sand
Moisture
Moist but well–drained or Well–drained
pH
Acid or Alkaline or Neutral

Position

Full sun Partial shade
Aspect
East–facing or South–facing or West–facing
Exposure
Sheltered
Hardiness

Hardiness Ratings

All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets

  • H1A: under glass all year (>15C)
  • H1B: can be grown outside in the summer (10 - 15)
  • H1C: can be grown outside in the summer (5 - 10)
  • H2: tolerant of low temperatures, but not surviving being frozen (1 to 5)
  • H3: hardy in coastal and relatively mild parts of the UK (-5 to 1)
  • H4: hardy through most of the UK (-10 to -5)
  • H5: hardy in most places throughout the UK even in severe winters (-15 to -10)
  • H6: hardy in all of UK and northern Europe (-20 to -15)
  • H7: hardy in the severest European continental climates (< -20)
H4
Drought Resistance
Yes

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Asphodelaceae
Native to GB/Ireland
No
Foliage
Evergreen
Habit
Clump forming
Genus
Phormium are evergreen perennials, making a large clump of leathery, strap-shaped leaves, with tall panicles of small, tubular flowers in summer
Name Status
Accepted

How to Grow

Cultivation

Grow in fertile, moist but well-drained soil in full sun or partial shade. Established plants are drought-resistant. See Phormium cultivation

Propagation

Propagate by division in spring

Suggested planting locations and garden types

  • Architectural
  • Coastal
  • Gravel garden
  • Patio and container plants
  • Sub-tropical
  • Low Maintenance
  • Flower borders and beds

Pruning

No pruning required

Pests

May be susceptible to phormium mealybug

Diseases

May be susceptible to honey fungus (rarely)