Trillium grandiflorum
(Great White Trillium)
Family - Melianthiaceae
Category - Perennial
Origin - Eastern North America
Year of Introduction - 1799
Season of Interest - Spring, Summer
Hardiness - H5
Height - up to 40cm
Width - 30cm
Location - The Woodland Walk
Description: A clump-forming Perennial with an upright habit. Three large, mid to dark green leaves are ovate to rounded in shape and have pointed tips. The leaves have wavy margins and are held in a whorl at the top of each stem. Large white flowers have three reflexed petals, also with wavy margins, and three narrow, pointed green sepals. The flowers are produced one per stem from mid-spring into early summer and may develop a pink hue with age.
Award of Garden Merit (AGM).
Additional common name - White Wake Robin
Flower:
Large white flowers, each with three, wavy, reflexed petals and a yellow centre, are subtended by three green, narrow sepals with pointed tips. The flowers are produced one per stem from April into June. The blooms may develop a pink hue with age and are followed by white berries.
Flower colour: White
Flower shape: Solitary, 3-petalled flowers
Flowering time: April, May, June
Foliage:
Three ovate to rounded leaves with wavy margins are held in a whorl at the top of each stem. The leaves are mid to dark green and can reach to 20cm in length.
Foliage Senescence: Deciduous
Foliage Shape: Ovate to rounded
Poison Information:
Toxic if ingested.
Propagation:
Division, seed.
Cultivation:
Best in partial shade to shade in fertile, moisture retentive soil that is well drained. Trillium will perform best in a soil that is neutral to acidic.