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BulbsConservatory Greenhouse

Hymenocallis × macrostephana

day lily

A bulbous perennial with bright green strap-shaped leaves and erect stems to 75cm in height, bearing up to 10 fragrant white flowers, 15cm across, with a large, daffodil-like cup and narrow, curling petals

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Size
Ultimate height
0.5–1 metres
Time to ultimate height
2–5 years
Ultimate spread
0.1–0.5 metres
Growing conditions
Chalk
Clay
Loam
Sand
Moisture
Moist but well–drained, Well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring White Green
Summer White Green
Autumn
Winter
Position
  • Full sun
  • Partial shade
Aspect

West–facing or East–facing or South–facing or North–facing

Exposure
Sheltered
Hardiness
H1C
Botanical details
Family
Amaryllidaceae
Native to the UK
No
Foliage
Deciduous
Habit
Tufted
Potentially harmful
Ornamental bulbs - not to be eaten. Wear gloves and other protective equipment when handling
Genus

Hymenocallis are bulbous perennials, sometimes evergreen, with strap-shaped leaves and umbels of fragrant, daffodil-like flowers with a cup and narrow, spreading tepals

Name status

Correct

How to grow

Cultivation

Plant bulbs with the neck and shoulder just above the surface, when dormant, in moderately fertile soil. Under glass grow in a loam-based potting compost with added leaf mould and grit in full light. Water freely when in growth and apply a balanced liquid, dilute fertiliser every fortnight. Keep dry when dormant

Propagation

Propagate by seed at 19 to 24°C as soon as ripe or remove offsets in spring

Suggested planting locations and garden types
  • Patio and container plants
  • Low Maintenance
Pruning

No pruning required

Pests

Generally pest-free

Diseases

Generally disease-free

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