
Large Flowered Trillium
- Botanical Name
- Trillium grandiflorum
- Min Zone
- 3
- Max Zone
- 8
- Height
- 12 to 18 inches
- Width
- 9 to 12 inches
- Flowers
- Spring: 3 white reflexed petals become pink tinged with age
- Fruit
- Berry-like capsules
- Light
- Part to full shade
- Soil
- Moist, well-drained, organically rich
- Planting & Care
- An early fall planting is best to allow for the roots to establish, thus giving it a stronger start in spring
- Does not propagate well from seed
- Will gradually spread in optimal conditions by rhizomes if left undisturbed
- Benefits from a layer of shredded leaves in fall
- Foliage dies back by late summer, earlier with dry soils
- Seeds are spread by ants
- Varieties
Flore Pleno - double flowering variety
Trillium grandiflorum var. roseum - pink flowers
T. grandiflorum var. pumilum - dwarf variety, 8-12", white flowers
Related Content
Categories
Upcoming Live Events
& Webinars
May 3, 2025
Low-Maintenance Gardening
Merton, WI
Register here
May 7, 2025
FREE WEBINAR:
Vertical Gardening
Register here
May 10, 2025
Ask the Plant Doctor Q&A
Ebert's Greenhouse Village
Ixonia, WI
May 11, 2025
Ask the Plant Doctor Q&A
Ebert's Greenhouse Village
Ixonia, WI
May 15, 2025
FREE WEBINAR:
7 Steps to Managing Water on Your Property
Register here
May 17, 2025
Ask the Plant Doctor Q&A
Ebert's Greenhouse Village
Ixonia, WI
May 18, 2025
Ask the Plant Doctor Q&A
Ebert's Greenhouse Village
Ixonia, WI
June 4, 2025
FREE WEBINAR:
Attracting Hummingbirds
Register here
June 8, 2025
Selecting the Right Hydrangea
for Your Landscape
Ebert's Greenhouse Village
Ixonia, WI
June 14, 2025
Houseplants 101
Ebert's Greenhouse Village
Ixonia, WI
June 20, 2025 (event 6/20-6/22)
Pollinator Celebration
Vino in the Valley
Maiden Rock, WI
Register here
WATCH ON-DEMAND WEBINARS
Learn More