perennial

Whipcord Cobra Lily

The Story

Plant Bio

Arisaema tortuosum, commonly known as the Cobra Lily, is a perennial herb featuring distinctive, umbrella-like foliage and striking, hooded flowers that resemble a coiled snake or cobra, often with purple and green hues.

This cultivar, helleborifolium, is distinguished by its deeply divided, hellebore-like leaves and particularly vivid, patterned flowers that enhance its ornamental appeal.

Uses & Benefits:

Provides striking foliage and early spring interest in shaded gardens.

Drought tolerant once established, suitable for low-water landscapes.

Supports shade-loving pollinators and native woodland ecosystems.

Essentials

At a Glance

Plant Type

Perennial

Height

48 inches

Width

18 inches

Light

Partial Sun, Shade

Zones

6, 7, 8, 9

Water

Moderate

Humidity

Average

Lifespan

Perennial

Native To

Himalayas

Toxicity

Yes

Planting

How to Grow

Tuck tubers 2-3 inches deep in well-draining soil
Mist cuttings or plant tubers in early spring
Water regularly during active growth phase
Mulch to retain moisture and suppress weeds
Allow foliage to die back naturally in summer
Divide tubers every 3-4 years for best vigor

Pro Tip

Plant in shady spots with rich, well-draining soil for best results

Keep It Thriving

Care Guide

Do

Water consistently during growing season 🌱
Apply organic compost annually
Mulch to conserve moisture

Don't

Avoid overwatering in winter ❌
Don’t expose tubers to direct sunlight
Skip fertilizing in late fall

Seasonal Care Calendar

Task	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Fertilize
Mulch
Plant
Propagate
Spring Cleanup

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Shady woodland borderTextured garden bed

Companion Plants

Hostas Ferns Astilbe Heuchera

Multiply

Propagation Methods

Good to Know

Common Questions

Whipcord Cobra Lily questions

What zones can Whipcord Cobra Lily grow in?

Whipcord Cobra Lily is hardy in USDA Zones 6–9. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

Is Whipcord Cobra Lily deer resistant?

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

When does Whipcord Cobra Lily bloom?

Whipcord Cobra Lily typically blooms in late spring to early summer through late spring. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.

Does Whipcord Cobra Lily need full sun?

Whipcord Cobra Lily does best in part shade.