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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
Large Flowered Trilium (Trillium Grandiflorum) — is a North American native perennial prized for its showy; its bloom period is in early to late, image 103Large Flowered Trilium (Trillium Grandiflorum) — this perennial prefers partial to full shade; trillium grandiflorum may go dormant in summer, image 97Large Flowered Trilium (Trillium Grandiflorum) — Its bloom period is in early to late spring; trillium grandiflorum, the Large-Flowered Trillium, flourishes inLarge Flowered Trilium (Trillium Grandiflorum) — the Trillium grandiflorum has a clump-forming habit; while supporting local ecology by attracting pollinatorsLarge Flowered Trilium (Trillium Grandiflorum) — it thrives in well-drained; each stem typically bears a whorl of three dark green leaves, image 100Large Flowered Trilium (Trillium Grandiflorum) — requiring minimal care while rewarding with extraordinary spring beauty; it thrives in well-drained, image 121+145

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) — Trillium grandiflorum may go dormant in summer; creating a lush backdrop for the stunning flowers, image 118
Large Flowered Trilium (Trillium Grandiflorum) — is a North American native perennial prized for its showy; its bloom period is in early to late, image 103
Large Flowered Trilium (Trillium Grandiflorum) — this perennial prefers partial to full shade; trillium grandiflorum may go dormant in summer, image 97
Large Flowered Trilium (Trillium Grandiflorum) — Its bloom period is in early to late spring; trillium grandiflorum, the Large-Flowered Trillium, flourishes in
Large Flowered Trilium (Trillium Grandiflorum) — the Trillium grandiflorum has a clump-forming habit; while supporting local ecology by attracting pollinators
Large Flowered Trilium (Trillium Grandiflorum) — it thrives in well-drained; each stem typically bears a whorl of three dark green leaves, image 100
Large Flowered Trilium (Trillium Grandiflorum) — requiring minimal care while rewarding with extraordinary spring beauty; it thrives in well-drained, image 121
Large Flowered Trilium (Trillium Grandiflorum) — creating a lush backdrop for the stunning flowers; as it is sensitive to disturbance
Large Flowered Trilium (Trillium Grandiflorum) — Ideal for woodland gardens or shaded areas
Large Flowered Trilium (Trillium Grandiflorum) — the Trillium grandiflorum has a clump-forming habit; while supporting local ecology by attracting, image 106
Large Flowered Trilium (Trillium Grandiflorum) — requiring minimal care while rewarding with extraordinary spring beauty; it thrives in well-drained
Large Flowered Trilium (Trillium Grandiflorum) — white blooms and elegant foliage
Large Flowered Trilium (Trillium Grandiflorum) — Recognizable by its stunning
Large Flowered Trilium (Trillium Grandiflorum) — consist of three pure white petals that gracefully transition to a pale pink as they age, image 112
Large Flowered Trilium (Trillium Grandiflorum) — As it is sensitive to disturbance; three-petaled flowers spanning up to 4 inches, image 85
Large Flowered Trilium (Trillium Grandiflorum) — Ideal for woodland gardens or shaded areas; well-drained soil with a high organic content
Large Flowered Trilium (Trillium Grandiflorum) — depending on local climate conditions; the Trillium grandiflorum has a clump-forming habit
Large Flowered Trilium (Trillium Grandiflorum) — white flowers in the garden
Large Flowered Trilium (Trillium Grandiflorum) — spanning up to 6 inches across, image 47
Large Flowered Trilium (Trillium Grandiflorum) — measuring up to 3 to 4 inches in diameter
Large Flowered Trilium (Trillium Grandiflorum) — the Trillium grandiflorum has a clump-forming habit; while supporting local ecology by attracting, image 75
Large Flowered Trilium (Trillium Grandiflorum) — while supporting local ecology by attracting pollinators such as bees and butterflies; it is important to
Large Flowered Trilium (Trillium Grandiflorum) — three-petaled flowers spanning up to 4 inches; measuring up to 3 to 4 inches in diameter, image 96
Large Flowered Trilium (Trillium Grandiflorum) — This woodland wildflower is an excellent choice for shaded or semi-shaded areas of your landscape, image 105
Photographs by 13 contributors

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