The Story
Plant Bio
Fritillaria imperialis is a majestic bulbous perennial, featuring a stout, upright stem topped with a whorl of large, nodding, bell-shaped flowers, and crowned with a tuft of leafy bracts.
Famous for its striking red flowers and unique scent.
Uses & Benefits:
Essentials
At a Glance
Plant Type
Bulb Corm Tuber
Height
36 inches
Width
12 inches
Light
Full Sun, Partial Sun
Zones
5, 6, 7, 8
Water
Moderate
Humidity
Average
Lifespan
Perennial
Native To
Western Asia
Toxicity
Toxic if ingested
Bloom period
Mid-spring – Late spring
In flower about 2 months of the year
Planting
How to Grow
- Tuck bulbs 6-8 inches deep in well-draining soil in fall.
- Water thoroughly after planting to settle soil around bulbs.
- Mist foliage regularly during growth to maintain humidity.
- Stake tall flower stems to prevent toppling during bloom.
- Remove spent flowers to encourage healthy growth.
- Apply a balanced fertilizer in early spring for robust blooms.
Pro Tip
Plant bulbs in a sunny spot with rich, well-draining soil for best results.
Keep It Thriving
Care Guide
Do
- Water consistently during active growth 🌱
- Mulch to retain soil moisture
- Stake tall flower stems for support
- Remove dead or diseased foliage
Don't
- Avoid overwatering to prevent bulb rot ❌
- Don't plant in heavy clay soil without amendments
- Refrain from disturbing bulbs once established
- Avoid fertilizing late in the season
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Fertilize | ||||||||||||
| Pest Check | ||||||||||||
| Plant | ||||||||||||
| Spring Cleanup |
Watch Out For
Pests & Diseases
Common Pests
Common Diseases
In the Garden
Landscape Uses & Companions
Landscape Uses
Companion Plants
Multiply
Propagation Methods
Good to Know
Common Questions
Red Crown Imperial questions
What zones can Red Crown Imperial grow in?
Red Crown Imperial is hardy in USDA Zones 5–8. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.
Is Red Crown Imperial deer resistant?
Yes — Red Crown Imperial is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.
When does Red Crown Imperial bloom?
Red Crown Imperial typically blooms in mid-spring through late spring. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.
Does Red Crown Imperial need full sun?
Red Crown Imperial does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.
More Fritillaria to compare
Snake's Head Fritillary
Fritillaria meleagris
Persian Fritillary
Fritillaria persica
Thunberg's fritillary
Fritillaria thunbergii
Yellow Crown Imperial
Fritillaria imperialis 'Maxima Lutea'
Adiyaman Persian Fritillary
Fritillaria persica 'Adiyaman'
Crown Imperial
Fritillaria imperialis
Keep exploring
Explore the genus
Hardy in your zone?
Grow Red Crown Imperial with confidence
See it in a design of your actual yard, get zone-matched care reminders, and track it season by season in your garden journal.