Species
Zantedeschia aethiopicaCalla Lily8 other cultivars
The Story
Plant Bio
Zantedeschia aethiopica 'Treasure' is a popular perennial known for its large, elegant white flowers and lush foliage. It thrives in moist environments.
This cultivar is noted for its enhanced flower size and ability to tolerate somewhat cooler temperatures.
Uses & Benefits:
Essentials
At a Glance
Plant Type
Perennial
Height
16 inches
Width
16 inches
Light
Partial Sun, Shade
Zones
8, 9, 10
Water
Consistent moisture, can grow in boggy conditions
Humidity
Moderate to high
Lifespan
Perennial in suitable zones
Native To
Southern Africa
Toxicity
All parts are toxic if ingested; can cause skin irritation.
Bloom period
Late spring – Early summer
In flower about 2 months of the year
Planting
How to Grow
- Tuck rhizomes 4 inches deep in well-draining soil in early spring.
- Water regularly to keep soil moist but not waterlogged during growth.
- Mist foliage during dry periods for healthy leaf development.
- Fertilize monthly with a balanced, water-soluble fertilizer in growing season.
- Remove spent flowers to encourage new blooms.
- Divide rhizomes every 3-4 years in early spring for propagation.
Pro Tip
Plant in partial shade for vibrant blooms and avoid soggy soil to prevent rot.
Keep It Thriving
Care Guide
Do
- Water consistently to keep soil moist 🌱
- Apply balanced fertilizer monthly during growing season
- Divide rhizomes in early spring for healthy growth
- Mulch around plants to retain moisture
Don't
- Avoid overwatering to prevent root rot ❌
- Don’t expose to harsh winter frost in unprotected areas
- Refrain from disturbing dormant rhizomes during winter
- Don’t plant in poorly drained soil
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Deadhead | ||||||||||||
| Fertilize | ||||||||||||
| 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
Treasure Calla Lily questions
What zones can Treasure Calla Lily grow in?
Treasure Calla Lily is hardy in USDA Zones 8–10. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.
Is Treasure Calla Lily deer resistant?
Yes — Treasure Calla Lily is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.
When does Treasure Calla Lily bloom?
Treasure Calla Lily typically blooms in late spring through early summer. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.
Does Treasure Calla Lily need full sun?
Treasure Calla Lily does best in part shade.
More Zantedeschia to compare
Flame Calla Lily
Zantedeschia x hybrida 'Flame'
Ethiopian Calla Lily Hercules
Zantedeschia aethiopica 'Hercules'
Flower Power Calla Lily
Zantedeschia aethiopica 'Flower Power'
Neon Amour Calla Lily
Zantedeschia x hybrida 'Neon Amour'
Ethiopian Calla Lily Childsiana
Zantedeschia aethiopica 'Childsiana'
Giant White Calla Lily
Zantedeschia elliottiana 'Giant White'
Keep exploring
Explore the genus
Hardy in your zone?
Grow Treasure Calla Lily 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.