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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) — Providing visual interest up to 18 inches high and spreading approximately 12 inches
Large Flowered Trilium (Trillium Grandiflorum) — measuring up to 3 to 4 inches in diameter; bulb / perennial with white blooms, image 111
Large Flowered Trilium (Trillium Grandiflorum) — well-drained soil with a high organic content
Large Flowered Trilium (Trillium Grandiflorum) — Trillium grandiflorum prefers fertile; depending on local climate conditions, image 114
Large Flowered Trilium (Trillium Grandiflorum) — Recognizable by its stunning; white blooms and elegant foliage, image 95
Large Flowered Trilium (Trillium Grandiflorum) — Trillium grandiflorum, the Large-Flowered Trillium, flourishes in U.S; this perennial prefers, image 63
Large Flowered Trilium (Trillium Grandiflorum) — Trillium grandiflorum prefers fertile
Large Flowered Trilium (Trillium Grandiflorum) — while supporting local ecology by attracting pollinators such as bees and butterflies
Large Flowered Trilium (Trillium Grandiflorum) — bulb / perennial with white blooms; trillium grandiflorum prefers fertile, image 92
Large Flowered Trilium (Trillium Grandiflorum) — Recognizable by its stunning; white blooms and elegant foliage, image 126
Large Flowered Trilium (Trillium Grandiflorum) — Providing visual interest up to 18 inches high and spreading approximately 12 inches; ideal for woodland
Large Flowered Trilium (Trillium Grandiflorum) — This woodland wildflower is an excellent choice for shaded or semi-shaded areas of your landscape, image 43
Trillium Grandiflorum
Trillium Grandiflorum
Trillium Grandiflorum
Trillium Grandiflorum
Trillium Grandiflorum
Trillium Grandiflorum
Trillium Grandiflorum
Trillium Grandiflorum
Trillium Grandiflorum
Trillium Grandiflorum
Trillium Grandiflorum
Trillium Grandiflorum
Photographs by 7 contributors

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