Crown Imperial (Fritillaria imperialis) is a striking bulbous perennial known for its tall, stately stems topped with a crown of bell-shaped, orange or red flowers and a
Above information is sourced from Wikipedia
Sunlight
Requires full sun to partial shade for best flowering.
Watering
Consistently moist during growth, dry during dormancy.
Soil
Well-drained, fertile, rich in organic matter.
Temperature
Prefers cool to moderate temperatures during active growth.
Habitat
Outdoor
Fertilizer
Low to moderate feeding in early spring.
Requires full sun to partial shade for best flowering.
At least 6 hours of direct sun per day.
Consistently moist during growth, dry during dormancy.
Spring (active growth) / Summer (dormancy)
Well-drained, fertile, rich in organic matter.
Prefers cool to moderate temperatures during active growth.
Hardy in USDA Zones 5-8, tolerating cold winters.
Outdoor
Low to moderate feeding in early spring.
Balanced, slow-release or high-potassium liquid feed.
Plant Type
Herb
Plant Category
Flowering, Ornamental
Plant Place Type
Ground, Garden, Pot
Plant Environment
Outdoor
Lifespan
Perennials
Plant Height
0.6-1.2 m
Spread
0.3-0.45 m
Growth Rate
Moderate
Dormancy
Summer
Leaf Color
Green
Leaf Type
Lanceolate
Flower Size
5-8 cm
Optimal Sunlight Lux
75000
Monthly activity intensity for bloom and fruit across both hemispheres.
Flowering & fruiting calendar
Flowering & fruiting calendar
Toxic for humans
Yes
Rating: 8/5
Toxic for pets
Yes
Rating: 8/5
Edible
No
All parts of Fritillaria imperialis, especially the bulbs, are highly toxic if ingested by humans or pets, containing steroidal alkaloids like imperialine that can cause severe gastrointestinal and cardiac issues.
