Species

Colocasia esculentaTaro

27 other cultivars

perennial

Black Marble Elephant Ear

Colocasia esculenta 'Black Marble'

The Story

Plant Bio

Colocasia esculenta 'Black Marble' is a perennial tropical plant with large, heart-shaped, dark purple to black leaves that create a lush, bold foliage display. It produces tall, dramatic flower stalks with small, spathe-like flowers.

This cultivar is distinguished by its striking, glossy black foliage that provides a dramatic contrast in garden settings and is especially valued for its ornamental appeal in shaded, humid environments.

Uses & Benefits:

Striking dark foliage adds dramatic contrast to garden beds.

Provides lush, tropical privacy and shade.

Supports local insect populations with large leaves.

SpeciesColocasia esculentaTaro

Essentials

At a Glance

Plant Type

Perennial

Height

48 inches

Width

36 inches

Light

Full Sun, Partial Sun, Shade

Zones

8, 9, 10

Water

High, can be grown in boggy conditions

Humidity

High

Lifespan

Tender perennial

Native To

Tropical Asia

Toxicity

All parts are toxic if ingested raw

Bloom period

Late summer

In flower about 1 month of the year

Planting

How to Grow

Tuck tubers into well-draining soil in spring.
Water consistently to keep soil moist, especially during summer.
Mist foliage regularly to increase humidity.
Provide partial shade for best leaf color.
Fertilize monthly with a balanced fertilizer during growing season.
Divide tubers in early spring for propagation.

Pro Tip

Plant in rich, moist soil with partial shade for vibrant foliage.

Keep It Thriving

Care Guide

Do

Water regularly to keep soil moist 🌱
Apply balanced fertilizer monthly during growing season
Mulch to retain soil moisture

Don't

Avoid waterlogging, which can cause rot ❌
Don’t expose to harsh full sun in hot climates
Never forget to divide tubers every few years

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

Tropical-themed borderLarge leafy privacy screenVanilla-scented shaded garden corner

Companion Plants

Ferns CaladiumHostas Elephant Ear varieties Tropical grasses

Multiply

Propagation Methods

Good to Know

Common Questions

Black Marble Elephant Ear questions

What zones can Black Marble Elephant Ear grow in?

Black Marble Elephant Ear 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 Black Marble Elephant Ear deer resistant?

Not reliably. Deer may browse Black Marble Elephant Ear, especially tender spring growth — plan on repellents or fencing where pressure is high.

When does Black Marble Elephant Ear bloom?

Black Marble Elephant Ear typically blooms in late summer through late summer. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.

Does Black Marble Elephant Ear need full sun?

Black Marble Elephant Ear does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.