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Bulbs

Hippeastrum × johnsonii

A clump-forming, bulbous perennial to 60cm high, with semi-evergreen, strappy deep green leaves that can flush bronze when grown in strong sunlight. Produces clusters of slightly fragrant, trumpet-shaped flowers on upright stems in spring, with bright scarlet petals with white streaks down the centres

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Size
Ultimate height
0.5–1 metres
Time to ultimate height
2–5 years
Ultimate spread
0.5–1 metres
Growing conditions
Chalk
Clay
Loam
Sand
Moisture
Moist but well–drained, Well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Red White Green Bronze
Summer Green Bronze
Autumn
Winter
Position
  • Full sun
  • Partial shade
Aspect

South–facing or West–facing

Exposure
Sheltered
Hardiness
H2
Botanical details
Family
Amaryllidaceae
Native to the UK
No
Foliage
Semi evergreen
Habit
Clump forming
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

Correct

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How to grow

Cultivation

Grow under glass or in containers that can be moved indoors over winter. Plant bulbs in autumn with the neck and shoulders above the soil surface, in a peat-free, loam-based potting compost in full light. See hippeastrum cultivation for more detailed advice

Propagation

Propagate by division, removing bulb offsets in autumn, or propagate by seed sown as fresh as possible, at 16-18°C (61-64°F). Keep young plants growing actively, in moderate warmth, allowing no periods of dormancy.

Suggested planting locations and garden types
  • Houseplants
  • Patio and container plants
  • Conservatory and greenhouse
Pruning

After flowering, cut spent flower stems down to the base

Pests

May be susceptible to bulb scale mite and large narcissus bulb fly

Diseases

May be susceptible to various fungal diseases

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