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Large Flowered Trilium

Trillium Grandiflorum

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Overview

Trillium grandiflorum, the Large-Flowered Trillium, flourishes in U.S. hardiness zones 4-8. Recognizable by its stunning, white, three-petaled flowers spanning up to 4 inches, this perennial prefers partial to full shade. Its bloom period is in early to late spring. Providing visual interest up to 18 inches high and spreading approximately 12 inches, it thrives in well-drained, rich soil. Ideal for woodland gardens or shaded areas.

Sun Half, ShadeWater Extra in Summer, High, MediumZones 4–8Type Bulb, PerennialClimate Temperate
Large Flowered Trilium (Trillium Grandiflorum) — Trillium grandiflorum may go dormant in summer; creating a lush backdrop for the stunning flowers, image 118

Culture

Sun
Half, Shade
Water
Extra in Summer, High, Medium
USDA zones
4–8

Shape & size

Mature height
1–1.5 Ft.
Mature width
0.5–1 Ft.

Classification

Type
Bulb, Perennial
Family
Liliaceae
Climate
Temperate

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Photos (152)

Large Flowered Trilium (Trillium Grandiflorum) — creating a lush backdrop for the stunning flowers
Large Flowered Trilium (Trillium Grandiflorum) — Each stem typically bears a whorl of three dark green leaves; commonly referred to as the Large Flowered
Large Flowered Trilium (Trillium Grandiflorum) — is a North American native perennial prized for its showy; its bloom period is in early to late spring
Large Flowered Trilium (Trillium Grandiflorum) — spanning up to 6 inches across, image 78
Large Flowered Trilium (Trillium Grandiflorum) — white blooms and elegant foliage; this woodland wildflower is an excellent choice for shaded or semi-shaded
Large Flowered Trilium (Trillium Grandiflorum) — bulb / perennial with white blooms; trillium grandiflorum prefers fertile
Large Flowered Trilium (Trillium Grandiflorum) — As it is sensitive to disturbance
Large Flowered Trilium (Trillium Grandiflorum) — white blooms and elegant foliage; this woodland wildflower is an excellent choice for shaded or, image 104
Large Flowered Trilium (Trillium Grandiflorum) — which can form impressive drifts over time; recognizable by its stunning, image 107
Large Flowered Trilium (Trillium Grandiflorum) — Recognizable by its stunning; white blooms and elegant foliage
Large Flowered Trilium (Trillium Grandiflorum) — Its bloom period is in early to late spring; trillium grandiflorum, the Large-Flowered Trillium, image 129
Large Flowered Trilium (Trillium Grandiflorum) — well-drained soil with a high organic content; it is hardy in zones 4 to 8 and remains a classic, image 84
Large Flowered Trilium (Trillium Grandiflorum) — is a North American native perennial prized for its showy; its bloom period is in early to late, image 72
Large Flowered Trilium (Trillium Grandiflorum) — this perennial prefers partial to full shade
Large Flowered Trilium (Trillium Grandiflorum) — commonly referred to as the Large Flowered Trillium; white flowers in the garden
Large Flowered Trilium (Trillium Grandiflorum) — Each stem typically bears a whorl of three dark green leaves
Large Flowered Trilium (Trillium Grandiflorum) — bulb / perennial for half or shade
Large Flowered Trilium (Trillium Grandiflorum) — bulb / perennial for half or shade; requiring minimal care while rewarding with extraordinary, image 124
Large Flowered Trilium (Trillium Grandiflorum) — requiring minimal care while rewarding with extraordinary spring beauty
Large Flowered Trilium (Trillium Grandiflorum) — three-petaled flowers spanning up to 4 inches
Large Flowered Trilium (Trillium Grandiflorum) — spanning up to 6 inches across
Large Flowered Trilium (Trillium Grandiflorum) — depending on local climate conditions; the Trillium grandiflorum has a clump-forming habit, image 82
Large Flowered Trilium (Trillium Grandiflorum) — well-drained soil with a high organic content; it is hardy in zones 4 to 8 and remains a classic choice for a
Large Flowered Trilium (Trillium Grandiflorum) — bulb / perennial for half or shade; requiring minimal care while rewarding with extraordinary spring beauty
Photographs by 10 contributors

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