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Trillium chloropetalum (Giant Wake Robin)

Giant Trillium, Giant Wakerobin, Giant Wake Robin, Wood Lily, Trinity Flower

Trillium Chloropetalum, Giant Trillium, Giant Wakerobin, Giant Wake Robin, Wood Lily, Trinity Flower, fragrant flowers, fragrant perennials

Rich with a rose fragrance, Trillium chloropetalum (Giant Wake Robin) is an incredible beauty with a great garden presence. Poking from the soil in winter, large buds send up stems topped with egg-shaped leaves, slightly mottled with chocolate brown. Resting in their center in early to mid-spring is a large three-petaled white, yellow, or deep purple-black flower. Long-lived, spreading slowly, and taking several years to form a significant clump, trilliums are worth the wait! Trillium chloropetalum is native to California.

  • This clump-forming perennial grows up to 12-18 in. high and wide (30-45 cm) and will spread slowly if left undisturbed.
  • Performs best in part shade or full shade, in fertile, humusy, moist, well-drained soils. Drought tolerant once established.
  • Excellent when massed in a shaded woodland garden, naturalized area, or wildflower garden. Great as a ground cover too!
  • Because trilliums go dormant by midsummer, pair them with other shade-loving perennials that will look good the rest of the gardening season and share their place until they reappear the following spring.
  • Generally disease free, this plant requires little maintenance. Watch out for slugs and snails.
  • The best time for planting is late summer or early fall, as it gives the rhizomes time to establish good root systems before the following growing season.
  • Propagate by seed in pots in a shady cold frame as soon as seed is ripe; takes 5-7 years to reach flowering size. Propagate rhizomes by division after flowering
  • Native to California, Oregon, and Washington.

Requirements

Hardiness 6 - 9
Heat Zones 6 - 9
Climate Zones 4, 5, 6, 7, 8, 9, 14, 15, 16, 17
Plant Type Perennials
Plant Family Melanthiaceae
Genus Trillium
Common names Wood Lily, Wake Robin, Giant Wake Robin
Exposure Partial Sun, Shade
Season of Interest Spring (Early, Mid)
Height 1' - 2'
(30cm - 60cm)
Spread 1' - 2'
(30cm - 60cm)
Spacing 12" - 18"
(30cm - 50cm)
Maintenance Low
Water Needs Average
Soil Type Chalk, Loam, Sand
Soil pH Acid, Neutral
Soil Drainage Moist but Well-Drained, Well-Drained
Characteristics Fragrant, Showy
Native Plants United States, Pacific Northwest, California, Oregon, Washington
Tolerance Full Shade, Drought
Garden Uses Beds And Borders, Ground Covers
Garden Styles Prairie and Meadow, Informal and Cottage
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Alternative Plants to Consider

Trillium ovatum (Western Trillium)
Trillium erectum (Red Trillium)
Trillium grandiflorum (White Trillium)
Trillium grandiflorum f. roseum (Pink Trillium)
Trillium recurvatum (Prairie Trillium)
Trillium sessile (Toadshade)

Recommended Companion Plants

Trillium

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Trillium
While every effort has been made to describe these plants accurately, please keep in mind that height, bloom time, and color may differ in various climates. The description of these plants has been written based on numerous outside resources.
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Requirements

Hardiness 6 - 9
Heat Zones 6 - 9
Climate Zones 4, 5, 6, 7, 8, 9, 14, 15, 16, 17
Plant Type Perennials
Plant Family Melanthiaceae
Genus Trillium
Common names Wood Lily, Wake Robin, Giant Wake Robin
Exposure Partial Sun, Shade
Season of Interest Spring (Early, Mid)
Height 1' - 2'
(30cm - 60cm)
Spread 1' - 2'
(30cm - 60cm)
Spacing 12" - 18"
(30cm - 50cm)
Maintenance Low
Water Needs Average
Soil Type Chalk, Loam, Sand
Soil pH Acid, Neutral
Soil Drainage Moist but Well-Drained, Well-Drained
Characteristics Fragrant, Showy
Native Plants United States, Pacific Northwest, California, Oregon, Washington
Tolerance Full Shade, Drought
Garden Uses Beds And Borders, Ground Covers
Garden Styles Prairie and Meadow, Informal and Cottage
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Do I Need?
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