The Story
Plant Bio
Crocosmia x crocosmiiflora, commonly known as montbretia, features sword-like leaves and clusters of tubular flowers.
This hybrid is known for its bright orange flowers and ability to attract hummingbirds.
Uses & Benefits:
Essentials
At a Glance
Plant Type
Perennial
Height
30 inches
Width
18 inches
Light
Full Sun, Partial Sun
Zones
5, 6, 7, 8, 9
Water
Moderate
Humidity
Average
Lifespan
Perennial
Native To
South Africa
Toxicity
Non-toxic to humans and pets
Planting
How to Grow
- Tuck corms 4-6 inches deep in well-draining soil in early spring.
- Water regularly to keep soil moist but not waterlogged during active growth.
- Mist foliage during dry spells to promote healthy blooms.
- Fertilize with a balanced fertilizer every 6 weeks during the growing season.
- Remove dead flowers to encourage continuous blooming.
- Divide clumps every 3-4 years in early spring or fall for vigorous growth.
Pro Tip
Plant corms in full sun for vibrant blooms and optimal growth.
Keep It Thriving
Care Guide
Do
- Water consistently during the growing season 🌱
- Mulch around plants to retain moisture and suppress weeds
- Fertilize in spring with a balanced fertilizer
Don't
- Avoid overwatering to prevent rot ❌
- Do not plant in heavy, poorly drained soil
- Refrain from cutting back foliage until it naturally dies back
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Divide | ||||||||||||
| Pest Check | ||||||||||||
| Plant | ||||||||||||
| Winter Prep |
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
Montbretia questions
What zones can Montbretia grow in?
Montbretia is hardy in USDA Zones 5–9. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.
Is Montbretia deer resistant?
Yes — Montbretia is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.
When does Montbretia bloom?
Montbretia typically blooms in mid-summer through late summer. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.
Does Montbretia need full sun?
Montbretia does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.
Is Montbretia drought tolerant?
Yes — once established (usually after the first full season), Montbretia handles dry spells with minimal watering. Water deeply its first year to build the root system that makes that possible.
More Crocosmia to compare

Lucifer Crocosmia
Crocosmia x crocosmiiflora 'Lucifer'

Masonorum Mason's Crocosmia
Crocosmia x crocosmiiflora 'Masonorum'

Walberton's Yellow Montbretia
Crocosmia x crocosmiiflora 'Walberton Yellow'

Carmin Brilliant Montbretia
Crocosmia x hybrida 'Carmin Brilliant'

Emily McKenzie Crocosmia Montbretia
Crocosmia x hybrida 'Emily Mckenzie'

Crocosmia 'Prince of Orange'
Crocosmia x crocosmiiflora 'Prince of Orange'
Keep exploring
Explore the genus
Hardy in your zone?
Grow Montbretia 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.






