perennial

'Big Dipper' Elephant Ear

Colocasia esculenta 'Big Dipper'

The Story

Plant Bio

Colocasia esculenta, commonly known as taro or elephant ear, is a tropical perennial grown for its large, heart-shaped to arrow-shaped leaves. It thrives in wet, rich soils and is a staple food crop in many parts of the world.

'Big Dipper' is a unique cultivar noted for its large, upward-cupped, glaucous green leaves held on dark purple-black petioles. The leaves collect water, and as they fill, the petiole bends, pouring the water out, resembling a dipper.

Uses & Benefits:

Ornamental UsesCreates a lush, tropical atmosphere with its striking large leaves.
Practical UsesProvides excellent cover and shade in garden settings.
Ecological BenefitsSupports pollinators attracted to its foliage and nearby plants.
SpeciesColocasia esculentaTaro

Essentials

At a Glance

Plant Type

Perennial

Height

72 inches

Width

60 inches

Light

Full Sun, Partial Sun

Zones

8, 9, 10

Water

Consistently moist soil

Humidity

Prefers high humidity

Lifespan

Perennial

Native To

Southeastern Asia

Toxicity

Toxic to pets and humans if ingested

Bloom period

Mid-summer – Late summer

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In flower about 2 months of the year

Planting

How to Grow

  1. Tuck tubers into well-draining soil in spring
  2. Water consistently to keep soil moist
  3. Place in partial shade for best growth
  4. Mulch to retain moisture and suppress weeds
  5. Fertilize monthly during growing season
  6. Divide in early spring for propagation

Pro Tip

Ensure soil remains consistently moist for optimal growth.

Keep It Thriving

Care Guide

Do

  • Water regularly to keep soil moist 🌱
  • Apply mulch to retain moisture
  • Fertilize monthly during active growth

Don't

  • Avoid drought stress by watering deeply ❌
  • Do not expose to full harsh sun in hot climates ❌
  • Skip fertilization during dormant period ❌

Seasonal Care Calendar

TaskJanFebMarAprMayJunJulAugSepOctNovDec
Fertilize
Lift Store
Pest Check
Plant

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Moisture-loving pond borderTropical container accentLarge-leaf focal point

Companion Plants

Ferns Hostas Caladiums Lobelia

Multiply

Propagation Methods

Good to Know

Common Questions

'Big Dipper' Elephant Ear questions

What zones can 'Big Dipper' Elephant Ear grow in?

'Big Dipper' 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 'Big Dipper' Elephant Ear deer resistant?

Yes — 'Big Dipper' Elephant Ear is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.

When does 'Big Dipper' Elephant Ear bloom?

'Big Dipper' Elephant Ear 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 'Big Dipper' Elephant Ear need full sun?

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

Keep exploring

Grow 'Big Dipper' Elephant Ear 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.