The Story
Plant Bio
Colocasia esculenta 'Illustris' is a lush, tropical perennial with large, heart-shaped, blackish-purple leaves marked with dramatic green veins.
This cultivar is distinguished by its striking contrasting leaf veins and its vigorous growth habit, making it an attractive focal point in water gardens or shaded landscape areas.
Uses & Benefits:
Essentials
At a Glance
Plant Type
Perennial
Height
48 inches
Width
36 inches
Light
Full Sun, Partial Sun, Shade
Zones
8, 9, 10
Water
Consistently moist to wet soil
Humidity
Prefers high humidity
Lifespan
Perennial in suitable zones
Native To
Southeast Asia
Toxicity
Toxic if ingested, handle with care
Bloom period
Mid-summer – Late summer
In flower about 2 months of the year
Planting
How to Grow
- Tuck corms into moist, well-draining soil in spring
- Water regularly to keep soil consistently moist
- Fertilize monthly during growing season for lush foliage
- Mulch to retain soil moisture and suppress weeds
- Divide clumps every 2-3 years in early spring
- Protect from frost by mulching or moving indoors in colder zones
Pro Tip
Plant in rich, moist soil and keep consistently watered for best growth.
Keep It Thriving
Care Guide
Do
- Keep soil moist and well-drained 🌱
- Fertilize monthly during the growing season
- Mulch to conserve moisture and regulate soil temperature
Don't
- Avoid letting soil dry out completely ❌
- Do not expose to frost; lift tubers in cold zones
- Avoid overwatering to prevent rot
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Fertilize | ||||||||||||
| Lift Store | ||||||||||||
| Pest Check | ||||||||||||
| Plant |
Watch Out For
Pests & Diseases
Common Pests
Common Diseases
In the Garden
Landscape Uses & Companions
Landscape Uses
Multiply
Propagation Methods
Good to Know
Common Questions
Imperial Taro questions
What zones can Imperial Taro grow in?
Imperial Taro 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 Imperial Taro deer resistant?
Not reliably. Deer may browse Imperial Taro, especially tender spring growth — plan on repellents or fencing where pressure is high.
When does Imperial Taro bloom?
Imperial Taro 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 Imperial Taro need full sun?
Imperial Taro does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.
More Colocasia to compare

Black Runner Taro
Colocasia esculenta 'Black Runner'

Taro
Colocasia esculenta

Elephant Ear
Colocasia esculenta 'Chicago Harlequin'

Black Beauty Taro
Colocasia esculenta 'Black Beauty'

Pink China Elephant Ear
Colocasia esculenta 'Pink China'

Elephant Ear Ruffles
Colocasia esculenta 'Ruffles'
Keep exploring
Explore the genus
Hardy in your zone?
Grow Imperial Taro 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.




























