tropical

Cunjevoi

Alocasia brisbanensis

The Story

Plant Bio

Alocasia brisbanensis is a robust, upright, evergreen perennial forming dense clumps of massive, glossy green leaves on thick, succulent stems. In summer, it produces cream-colored spadices enclosed by pale green, hood-like spathes that emit a sweet, rose-like fragrance, followed by clusters of red berries.

This species is distinguished by its exceptionally large, spade-shaped leaves that can reach up to three feet in length. Unlike many other members of the genus, the long petioles attach almost at the leaf margin rather than deep within the blade.

Uses & Benefits:

Provides a bold, architectural focal point with its massive, glossy green leaves and fragrant summer flowers.

Thrives in wet, boggy soils where other perennials fail, making it excellent for stabilizing damp, low-lying areas.

Flowers attract and support native insect pollinators, while the dense foliage offers shelter in shaded understories.

Essentials

At a Glance

Plant Type

Tropical

Height

70"

Width

60"

Light

Partial Sun, Shade

Zones

9, 10

Water

High

Humidity

High

Lifespan

Perennial

Native To

Australia

Toxicity

Highly toxic; contains calcium oxalate crystals

Bloom period

Summer

In flower about 3 months of the year

Planting

How to Grow

Select a site in partial to deep shade with rich, organic, humus-heavy soil that remains consistently moist.
Dig a hole twice the width of the root ball and incorporate compost to ensure adequate aeration in wet conditions.
Plant the specimen at the same depth it was growing in the container, pressing the soil firmly around the fleshy base.
Water thoroughly after planting and apply a thick layer of organic mulch to retain soil moisture and protect the rootstock.

Pro Tip

Avoid planting in stagnant, oxygen-starved mud; while this species thrives in wet soils, it requires a highly organic, aerated soil structure to prevent fungal collar rot.

Keep It Thriving

Care Guide

Do

Keep the soil consistently moist to wet, especially during the active summer growing season.
Apply a balanced, slow-release organic fertilizer monthly during spring and summer.
Remove spent, yellowing lower leaves at the base to maintain a clean appearance and prevent fungal issues.
Bring container-grown specimens indoors before the first autumn frost in zones colder than USDA Zone 9.

Don't

Do not prune into the old, leafless woody stem tissue, as this weakens the plant's structural integrity.
Do not allow the soil to dry out completely, which triggers semi-dormancy and severe leaf loss.
Do not plant in areas exposed to harsh, direct afternoon sun or strong, dry winds that scorch the foliage.
Do not ingest any part of the plant or handle the acrid sap without gloves due to highly toxic calcium oxalate crystals.

Seasonal Care Calendar

Task	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Divide
Fertilize
Pest Check
Prune
Winter Prep

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Bog gardens and wet, low-lying areasShaded tropical-style bordersLarge patio containers and conservatoriesUnderstory planting beneath tall tree canopies

Companion Plants

Blechnum Asplenium Hosta

Multiply

Propagation Methods

Good to Know

Common Questions

Cunjevoi questions

What zones can Cunjevoi grow in?

Cunjevoi is hardy in USDA Zones 9–10. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

Is Cunjevoi deer resistant?

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

When does Cunjevoi bloom?

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

Does Cunjevoi need full sun?

Cunjevoi does best in part shade.