Habranthus robustus

RHS Plant Profile
Argentine rain lily

Synonyms

Zephyranthes robusta

Award of Garden Merit
Bulbs Conservatory Greenhouse

A bulbous perennial with narrow, arching leaves and erect stems to 30cm tall, bearing solitary, funnel-shaped light pink flowers 6cm across in summer

Position

Full sun, Partial shade

Soil Types

Loam, Sand

Max Height

0.1-0.5 metres

Max Spread

0-0.1 metre

Size

Time to Maturity
2–5 years
Max Spread
0-0.1 metre
Max Height
0.1-0.5 metres

Growing Conditions

Loam Sand
Moisture
Well–drained
pH
Alkaline or Neutral

Position

Full sun Partial shade
Aspect
South–facing or East–facing or West–facing
Exposure
Sheltered
Hardiness
H2

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Amaryllidaceae
Native to GB/Ireland
No
Foliage
Deciduous
Habit
Bushy
Potentially harmful
All parts of the plant are mildly toxic if ingested. Sap can cause skin irritation. Wear gloves and other protective equipment when handling
Genus
Habranthus are small, bulbous perennials with linear or narrowly strap-shaped leaves and solitary funnel-shaped flowers in summer and autumn
Name Status
Correct
Plant Range
Brazil to Argentina

How to Grow

Cultivation

Grow under glass in peat-free, loam-based compost with added grit, in bright, filtered light. Provide a balanced liquid feed monthly during the growing period. Reduce watering in winter but do not allow to become completely dry

Propagation

Propagate by seed sown in containers at 16-18C as soon as ripe. Bulb propagation by the removal of offsets and potting them up separately, may be done in spring

Suggested planting locations and garden types

  • Patio and container plants

Pruning

no pruning required

Pests

Generally pest-free

Diseases

Generally disease-free