Hippeastrum 'Challenger'PBR

RHS Plant Profile
amaryllis 'Challenger'

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amaryllis 'Challenger' RHS / Joanna Kossak
Bulbs Conservatory Greenhouse Houseplants

A bulbous perennial to around 70cm tallwith deciduous, strap-shaped, semi-erect leaves. Three to four large white flowers shaded with pale green are borne on each sturdy, upright stem in winter and early spring

Position

Full sun, Partial shade

Soil Types

Chalk, Clay, Loam, Sand

Max Height

0.5-1 metres

Max Spread

0.1-0.5 metres

Size

Time to Maturity
1–2 years
Max Spread
0.1-0.5 metres
Max Height
0.5-1 metres

Growing Conditions

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

Position

Full sun Partial shade
Aspect
South–facing or West–facing or East–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)
H2

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Amaryllidaceae
Native to GB/Ireland
No
Foliage
Deciduous
Habit
Columnar upright
Potentially harmful
Harmful if eaten. Wear gloves and other protective equipment when handling. Pets (dogs, cats): Harmful if eaten. For further information and contact numbers regarding pets, see the HTA guide to potentially harmful plants
Genus
Hippeastrum are deciduous bulbous perennials with slightly fleshy, strap-shaped leaves and stout, leafless stems bearing umbels of large, funnel-shaped flowers usually in winter or spring
Name Status
Accepted

How to Grow

Cultivation

Pot newly purchased bulbs from October to January so that two-thirds of the bulb remains above the surface and water in well. The appearance of leaves will signify that root activity has started and regular watering can begin. A good supply of water is required as soon as growth becomes vigorous with a temperature ideally in the region of 15-18°C and a sunny position. See hippeastrum cultivation and bulbs for Christmas flowering for further information

Propagation

Propagate by removing offsets in autumn

Suggested planting locations and garden types

  • Patio and container plants
  • Cut flowers

Pruning

No pruning required

Pests

May be susceptible to bulb scale mite, large narcissus bulb fly and slugs and snails throughout the summer months

Diseases

Generally disease-free