Family: Melanthiaceae

Scientific Name: Trillium grandiflorum

Common Name: White Trillium


White Trillium (Trillium grandiflorum) A beautiful spring blooming native woodland wildflower. One of the easiest of the Trilliums to grow in a garden. An ephemeral spring wildflower.

Plant TypeAll Plants, Wild Flowers, Site author's observations
Hardiness Zone4
Sunlightshaded, semi-shade
Soil & Sitemoist rich, woodsy, humus rich, prefers ph 6.0
Flowersthree white petals, sepals, 1.5-2.5", odorless, May
Fruit6-angled seed capsule
Leavesmedium green, glabrous, entire margin, parallel primary veins
Stemssingle stem
Dimensions6-20 inches depending on site
Propagationdifficult from seeds
Native SiteWide range Quebec to Ontario and south to North Carolina, Montana and Wisconsin.
Misc FactsI look forward to seeing the forest understudy covered with the patches of white created by the Trillium grandiflorum.
Author's NotesAlthough this plant seems to be fairly adaptable, the growing site still must be similar to its needs. Also yearly addition of organic mulch and allowing the plants to mature and die without removing the foliage. This allows for production by seed. Be very careful not to pull up the seedlings when weeding in the spring. In one garden I planted a patch of Trillium over 25 years ago. I found some plants growing in a thick patch of Pachysandra.
Notes & Reference#07- Newcomb's Wildflower Guide (Lawrence Newcomb), #13-Growing Woodland Plants (Birdseye), #100-Wildflowers of Wisconsin and the Upper Midwest (Merle Black and Emmet Judziewicz)
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