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Fritillaria imperialis

crown imperial

A robust bulbous perennial with stout, erect stems bearing whorled, lance-shaped leaves and, in early summer, a terminal umbel of bell-shaped orange or yellow flowers beneath a crown of bracts

Other common names
crown on crown
royal crown flower
Synonyms
Fritillaria imperialis 'Kaiser'
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Size
Ultimate height
1–1.5 metres
Time to ultimate height
2–5 years
Ultimate spread
0.1–0.5 metres
Growing conditions
Chalk
Loam
Sand
Moisture
Well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green
Summer Orange Yellow Green
Autumn Green
Winter
Position
  • Full sun
Aspect

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

Exposure
Exposed or Sheltered
Hardiness
H7
Botanical details
Family
Liliaceae
Native to GB / Ireland
No
Foliage
Deciduous
Habit
Columnar upright
Potentially harmful
Ornamental bulbs, not to be eaten. Wear gloves and other protective equipment when handling. Pets: Ornamental bulbs, not to be eaten - see the HTA guide to potentially harmful plants for further information and useful contact numbers
Genus

Fritillaria are bulbous herbaceous perennials with lance-shaped or linear leaves and nodding bell-shaped or bowl-shaped flowers that may be solitary or in racemes or umbels

Name status

Correct

Plant range
Turkey to Himalaya

How to grow

Cultivation

Grows well in most fertile, well-drained soils. Handle the fragile bulbs carefully and plant at four times own depth. See crown imperial cultivation

Propagation

Propagate by seed, sown in pots in a cold frame in autumn. Needs exposure to winter cold for germination in spring. division offsets in late summer

Suggested planting locations and garden types
  • Cottage and informal garden
  • Flower borders and beds
Pruning

No pruning required

Pests

May be susceptible to slugs and lily beetle

Diseases

Generally disease-free

Get involved

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