Dieffenbachia seguine

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Houseplants Conservatory Greenhouse

A variable species of tropical evergreen perennial, up to 3m high, with upright, cane-like stems and broadly oval to oblong, glossy dark green leaves sparsely spotted with white

Position

Full sun, Partial shade

Soil Types

Loam, Sand

Max Height

2.5-4 metres

Max Spread

0.5-1 metres

Size

Time to Maturity
10–20 years
Max Spread
0.5-1 metres
Max Height
2.5-4 metres

Growing Conditions

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)
H1A

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Araceae
Native to GB/Ireland
No
Foliage
Evergreen
Habit
Bushy
Potentially harmful
TOXIC if eatenskin/eye irritant. Wear gloves and other protective equipment when handling TOXIC to pets - see the HTA guide to potentially harmful plants for further information and useful contact numbers
Genus
Dieffenbachia are evergreen perennials with large, ovate leaves which are usually attractively mottled with white or yellow; flowering spathes are seldom produced in cultivation
Name Status
Unresolved

How to Grow

Cultivation

Grow in peat-free, loam-based potting compost in bright, filtered light with high humidity. In growth, water moderately and apply a balanced liquid feed monthly; mist daily to increase humidity. Water sparingly and provide full light in winter. See houseplant cultivation for further advice

Propagation

Propagate by stem tip cuttings or take stem sections, each with a growth bud, and lay flat on the surface of the compost at 25°C. Can also be propagated by air layering

Suggested planting locations and garden types

  • Houseplants
  • Patio and container plants
  • Conservatory and greenhouse

Pruning

No pruning required

Pests

May be susceptible to aphids, especially on new growth

Diseases

Generally disease-free