perennialN. America Native

Large-flowered Trillium

Trillium grandiflorum 'Mix'

Not currently listed at our partner nurseries.

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Essentials

At a Glance

Plant Type

Perennial

Height

15 inches

Width

12 inches

Light

Partial Sun, Shade

Zones

4, 5, 6, 7, 8

Water

Consistent moisture

Humidity

Prefers moist, humid environments

Lifespan

Perennial

Native To

North America

Toxicity

Toxic if ingested

The Story

Plant Bio

Trillium grandiflorum is a perennial wildflower native to eastern North America, noted for its large white flowers and whorled leaves. The 'Mix' cultivar may feature variations in flower color, including shades of white and pink.

Bloom Period:

EarlyLate

Uses & Benefits:

Provides elegant, nodding white flowers that brighten shaded woodland gardens.

Natural groundcover that suppresses weeds in shady areas.

Supports native pollinators and adds biodiversity to woodland ecosystems.

Marketplace

Where to Buy

We couldn't find this plant listed online right now.

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Planting

How to Grow

Tuck seeds into moist, well-draining soil in early spring.
Mist cuttings regularly to maintain humidity and encourage rooting.
Plant in shady areas with rich, organic soil for optimal growth.
Water consistently during the growing season, avoiding waterlogging.
Apply a layer of mulch to retain moisture and suppress weeds.
Divide mature plants in early fall to propagate new specimens.

Pro Tip

Use rich, organic soil and provide consistent moisture for lush growth.

Keep It Thriving

Care Guide

Do

Water regularly to keep soil moist but not soggy 🌱
Mulch around plants to conserve moisture and keep roots cool
Deadhead spent flowers to encourage more blooms
Apply organic compost annually for healthy growth

Don't

Avoid overwatering to prevent root rot ❌
Do not expose to direct, harsh sunlight in hot climates
Refrain from disturbing roots during the growing season
Do not neglect pruning once flowers fade

Seasonal Care Calendar

Task	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Fertilize
Mulch
Pest Check
Plant

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Shady woodland borderDelicate groundcover in shaded gardens

Companion Plants

Ferns Hostas Astilbe Trillium grandiflorum

Multiply

Propagation Methods

Good to Know

Common Questions

Large-flowered Trillium questions

What zones can Large-flowered Trillium grow in?

Large-flowered Trillium is hardy in USDA Zones 4–8. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

Is Large-flowered Trillium deer resistant?

Not reliably. Deer may browse Large-flowered Trillium, especially tender spring growth — plan on repellents or fencing where pressure is high.

When does Large-flowered Trillium bloom?

Large-flowered Trillium typically blooms in mid-spring through late spring. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.

Does Large-flowered Trillium need full sun?

Large-flowered Trillium does best in part shade.