Great White Trillium Plants

Great White Trillium Plants Also Known as Trillium grandiflorum

Great White Trillium Plants are three-petaled, snowy flowers that sit atop a whorl of three leaves. The petals can reach up to 3 inches long, forming a tubular shape, and are related to the lily family. The leaves are elliptical, meeting in a whorl at the flower’s base, and may appear mottled or solid green with red veining.

Size and Growth

These perennial flowers can reach 12 to 15 inches in height and 12 to 18 inches in width. Hardiness zones range from 3 to 9, and they grow natively across eastern North America, from Quebec to Georgia and west to Minnesota.

Popular Names and Blooming

Also called the trinity flower, wake-robin, or triplet lily, Great White Trillium blooms from late April to early June. Its pristine white petals gradually turn pale pink as they age, creating a stunning contrast against the deep green foliage.

Ideal Growing Conditions

Great White Trillium thrives in partially shaded woodlands with heavily composted, moist, and well-drained soils. They coexist naturally with shrubs, trees, decaying leaves, and the ecosystem’s microorganisms. For propagation, division is best done in late summer or early fall.

Seeds and Germination

If starting from seed, germination can take up to 2 years, and it may take another 7 years to see the first blooms. Adding a fresh layer of leaf mold in spring and fall helps keep the plants healthy and encourages consistent flowering.

Distinctive Features

The plant’s signature three leaves and three petals give it a unique and recognizable appearance. The flowers bloom low to the ground and resemble dogwood flowers in their snowy white petals with a yellow center. The blooms stand above lighter green foliage, making them a striking addition to any woodland garden.

Care Tips

Plant Great White Trillium in partial shade to avoid scorched leaves and blooms. The soil should remain moist and well-drained. These perennial flowers are excellent for wildflower gardens, naturalized landscapes, or shaded borders.