Overview

Fritillaria imperialis is a bulbous perennial in the genus Fritillaria, part of the Liliaceae family. It typically grows around 1.0 m tall. Fritillaria imperialis grows best in full sun, and tolerates loamy and clay soils. Its UK hardiness is rated H5. Suggested uses include borders, rock gardens and ornamental beds. It is native to Turkey to Himalaya.

About

Fritillaria imperialis is a bulbous perennial in the Liliaceae that typically reaches about 1.0 m. It flowers in the UK from March to May and emits a strong, musky scent. Plant in full sun in loamy or clay soils that are moist but well‑drained. The bulbs are ornamental and not for eating, so wear gloves when handling; suitable positions include borders, rock gardens and ornamental beds.

Wikipedia contributors, CC BY-SA 4.0 — Fritillaria imperialis

About the genus

Fritillaria (fritillaries) is a genus of spring flowering herbaceous bulbous perennial plants in the lily family (Liliaceae). The type species, Fritillaria meleagris, was first described in Europe in 1571, while other species from the Middle East and Asia were also introduced to Europe at that time. The genus has about 130–140 species divided among eight subgenera.

Wikipedia contributors, "Fritillaria", CC BY-SA 4.0 — Fritillaria

In the garden

Fritillaria imperialis is a tall bulbous perennial native from Turkey to the Himalaya, grown for its terminal spring flowerheads and noticeable fragrance. It reaches roughly 1.0 m and appears in the spring flowering window of March to May in the UK. Horticulturally it sits in the lily family, Liliaceae, and has a long history of garden use across temperate regions. Give bulbs a sunny site: full sun and an open aspect bring the best display. Soils that are loamy or clay and remain moist but drain freely are suitable; avoid waterlogged pockets. It is rated H5 (hardy) in the UK and corresponds to USDA zones 7–9, so choose a sheltered, well‑drained spot in cooler gardens and a straightforward sunny site further south. Place Fritillaria imperialis in mixed borders, rock garden edges or ornamental beds where a 1.0 m stem can be seen from a path. Take care when handling the bulbs—wear gloves and other protective equipment as they are ornamental only and must not be eaten; see the HTA guide to potentially harmful plants for contact numbers and further advice. The strong musky scent becomes especially evident as the spring flowers open.

Growing conditions

Best soil and position for Fritillaria

Sunlight

Full sun

Soil type

Loamy, Clay

Soil moisture

Well-drained, Moist but well-drained

Exposure

Full sun

UK hardiness

H5

Plant details

Fritillaria imperialis size, habit and characteristics

Plant type

Bulbous perennial

Height

1.0 m

Suggested uses

Borders, rock gardens, ornamental beds

Native to

Turkey to Himalaya

Fragrance

Strong, musky scent

Toxicity

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

Care notes

Pruning and caring for Fritillaria imperialis

Cultivation

Plant bulbs in autumn in well-drained soil; protect from rodents; requires full sun and moisture-retentive but well-drained soil

Pruning

Remove spent flower heads to prevent seed formation; cut back foliage after it yellows

Propagation

By bulb offsets or seed

Frequently asked questions

More in the Fritillaria genus

• 
  Fritillaria cirrhosayellow Himalayan fritillary
• Fritillaria hermonis from Jebel esh Sharqui Mtns, Lebanon