White Trillium

White Trillium
Trillium grandiflorum

Ontario’s provincial flower, this iconic woodland wildflower produces elegant three-petaled white blooms in early to mid-spring. The flowers gradually age to a soft pink as they mature, creating a beautiful seasonal transition on the forest floor. Its distinctive three leaves and solitary flower make it one of the most recognizable native plants of eastern North American woodlands.

White Trillium thrives in rich deciduous forests where it slowly forms colonies over time. Because it grows slowly and requires many years to reach flowering maturity, established plants are especially valuable in restoration and woodland plantings.

Unfortunately, natural populations are declining due to habitat loss, urban development, and the spread of invasive species such as Garlic Mustard, which disrupt woodland ecosystems.

Historically, Indigenous peoples used parts of the plant in traditional medicine to treat ailments such as rheumatism, cramps, skin conditions, dysentery, and earaches.

Growing Conditions

• Height: 12–18 in
• Spread: Slowly spreading by rhizomes
• Light: Part shade to full shade
• Soil: Moist, rich, well-drained woodland soils high in organic matter
• Hardiness: Zone 3–8
• Growth Rate: Slow
• Prefers undisturbed woodland soils
• Deer browsing can impact wild populations

Ideal for woodland gardens, shaded forest restorations, and naturalized understory plantings. Best planted where the soil will remain undisturbed.

Ecological Value

• Important early spring nectar source for native woodland pollinators
• Seeds are dispersed by ants, supporting natural woodland regeneration
• Contributes to biodiversity and structure of forest floor ecosystems
• Indicator species of healthy deciduous woodland habitats

Larval Host Plant For
Primarily valued as an early nectar source for woodland pollinators.

Companion Species

• Large-flowered Bellwort (Uvularia grandiflora)
• Virginia Bluebells (Mertensia virginica)
• Wild Ginger (Asarum canadense)
• Maidenhair Fern (Adiantum pedatum)
• Solomon’s Seal (Polygonatum biflorum)
• Downy Yellow Violet (Viola pubescens)
• Pennsylvania Sedge (Carex pensylvanica)

Plant Availability
Stock available from an authorized plant rescue programs and from seed ad root divisions . Supplies are limited. Plants are mature and flowering age, typically 9–13 years old. Bulbs are sold dormant in late summer to early fall and should be planted before deep frost.

Planting to Protect
Restoring to Thrive
Origin Native Plants

1 Gallon Pots