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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) — three-petaled flowers spanning up to 4 inches; measuring up to 3 to 4 inches in diameter
Large Flowered Trilium (Trillium Grandiflorum) — As it is sensitive to disturbance; three-petaled flowers spanning up to 4 inches
Large Flowered Trilium (Trillium Grandiflorum) — white blooms and elegant foliage; this woodland wildflower is an excellent choice for shaded or, image 73
Large Flowered Trilium (Trillium Grandiflorum) — it thrives in well-drained; each stem typically bears a whorl of three dark green leaves
Large Flowered Trilium (Trillium Grandiflorum) — Ideal for woodland gardens or shaded areas; well-drained soil with a high organic content, image 101
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 115
Large Flowered Trilium (Trillium Grandiflorum) — consist of three pure white petals that gracefully transition to a pale pink as they age
Large Flowered Trilium (Trillium Grandiflorum) — bulb / perennial with white blooms; trillium grandiflorum prefers fertile, image 123
Large Flowered Trilium (Trillium Grandiflorum) — it thrives in well-drained
Large Flowered Trilium (Trillium Grandiflorum) — Trillium grandiflorum prefers fertile; depending on local climate conditions, image 83
Large Flowered Trilium (Trillium Grandiflorum) — Trillium grandiflorum may go dormant in summer; creating a lush backdrop for the stunning flowers
Large Flowered Trilium (Trillium Grandiflorum) — it is important to allow this plant to naturalize and avoid moving it once established
Large Flowered Trilium (Trillium Grandiflorum) — bulb / perennial with white blooms
Large Flowered Trilium (Trillium Grandiflorum) — commonly referred to as the Large Flowered Trillium; white flowers in the garden, image 71
Large Flowered Trilium (Trillium Grandiflorum) — this perennial prefers partial to full shade; trillium grandiflorum may go dormant in summer
Large Flowered Trilium (Trillium Grandiflorum) — creating a lush backdrop for the stunning flowers; as it is sensitive to disturbance, image 79
Large Flowered Trilium (Trillium Grandiflorum) — Providing visual interest up to 18 inches high and spreading approximately 12 inches; ideal for, image 68
Large Flowered Trilium (Trillium Grandiflorum) — white flowers in the garden; which can form impressive drifts over time
Large Flowered Trilium (Trillium Grandiflorum) — Trillium grandiflorum may go dormant in summer; creating a lush backdrop for the stunning flowers, image 87
Large Flowered Trilium (Trillium Grandiflorum) — Its bloom period is in early to late spring; trillium grandiflorum, the Large-Flowered Trillium, image 98
Large Flowered Trilium (Trillium Grandiflorum) — it thrives in well-drained; each stem typically bears a whorl of three dark green leaves, image 69
Large Flowered Trilium (Trillium Grandiflorum) — this perennial prefers partial to full shade; trillium grandiflorum may go dormant in summer, image 128
Large Flowered Trilium (Trillium Grandiflorum) — Trillium grandiflorum, the Large-Flowered Trillium, flourishes in U.S; this perennial prefers, image 125
Large Flowered Trilium (Trillium Grandiflorum) — Recognizable by its stunning; white blooms and elegant foliage, image 64
Photographs by 15 contributors

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