Spathiphyllum 'Sweet Sebastiano'PBR

RHS Plant Profile
peace lily 'Sweet Sebastiano'

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A large, fast-growing, clump-forming, evergreen perennial, grown as a housplant for its large, wide, dark green glossy foliage. Large, sweetly-fragranced, white arum-type flowers appear from spring to autumn. One of the largest varieties available and for this reason, the leaves may be susceptible to tearing. An air-purifying plant which improves levels of humidity within your living space

Position

Partial shade

Soil Types

Loam, Sand

Max Height

1.5-2.5 metres

Max Spread

0.1-0.5 metres

Size

Time to Maturity
2–5 years
Max Spread
0.1-0.5 metres
Max Height
1.5-2.5 metres

Growing Conditions

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

Position

Partial shade
Aspect
East–facing or North–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)
H1B

Colour & Scent

Fragrance Flower
Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Araceae
Native to GB/Ireland
No
Foliage
Evergreen
Habit
Clump forming
Potentially harmful
Harmful if eatenskin/eye irritant. Wear gloves and other protective equipment when handling Pets: Harmful if eatenskin/eye irritant - for further information and contact numbers regarding pets, see the HTA guide to potentially harmful plants
Genus
Spathiphyllum are evergreen rhizomatous perennials with lance-shaped leaves and tiny white flowers borne in a dense spike within an ovate, white, hood-like spathe
Name Status
Accepted

How to Grow

Cultivation

Grow in standard houseplant compost in bright, indirect light. When in growth, water freely and apply a balanced liquid fertiliser monthly. Pot on every 2-3 years. See Spathiphyllum and houseplant cultivation for further advice

Propagation

Propagate by division in spring

Suggested planting locations and garden types

  • Houseplants
  • Patio and container plants
  • Low Maintenance
  • Conservatory and greenhouse

Pruning

No pruning required

Pests

Generally pest-free

Diseases

Generally disease-free