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Trillium kurabayashii (Giant Purple Wakerobin)

Giant Purple Wakerobin

Trillium kurabayashii, Giant Purple Wakerobin

An excellent west coast native species, Trillium kurabayashii (Giant Purple Wakerobin) is a clump-forming rhizomatous perennial producing whorls of large, egg-shaped, green leaves handsomely marbled with purple and silver. In mid to late spring, deep red flowers, 4 in. tall (10 cm), appear in the center of the three-leaf whorl. Easy to grow, this charming Trillium is a lovely choice for wildflower gardens or woodland gardens, where it will carpet the ground, regaling those who view it.

  • Grows up to 18-24 in. tall and wide (45-60 cm). Will spread gradually if left undisturbed.
  • Performs best in part shade or full shade, in deep, humus-rich, acid to neutral, moist, well-drained soils. Mulch in fall with leaves.
  • Excellent when massed in shaded woodland gardens, naturalized areas or wildflower gardens. Pretty groundcover 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 southern Oregon, northern California.

Requirements

Hardiness 7 - 9
Plant Type Perennials
Plant Family Melanthiaceae
Genus Trillium
Common names Wake Robin
Exposure Partial Sun, Shade
Season of Interest Spring (Mid, Late)
Height 1' - 2'
(30cm - 60cm)
Spread 1' - 2'
(30cm - 60cm)
Spacing 18" - 24"
(50cm - 60cm)
Maintenance Low
Water Needs Average
Soil Type Chalk, Loam, Sand
Soil pH Acid, Neutral
Soil Drainage Moist but Well-Drained
Characteristics Showy
Native Plants California, United States, Pacific Northwest, Oregon
Tolerance Full Shade
Garden Uses Beds And Borders, Ground Covers, Underplanting Roses And Shrubs
Garden Styles 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

Corydalis flexuosa ‘Blue Panda’ (Fumewort)

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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 7 - 9
Plant Type Perennials
Plant Family Melanthiaceae
Genus Trillium
Common names Wake Robin
Exposure Partial Sun, Shade
Season of Interest Spring (Mid, Late)
Height 1' - 2'
(30cm - 60cm)
Spread 1' - 2'
(30cm - 60cm)
Spacing 18" - 24"
(50cm - 60cm)
Maintenance Low
Water Needs Average
Soil Type Chalk, Loam, Sand
Soil pH Acid, Neutral
Soil Drainage Moist but Well-Drained
Characteristics Showy
Native Plants California, United States, Pacific Northwest, Oregon
Tolerance Full Shade
Garden Uses Beds And Borders, Ground Covers, Underplanting Roses And Shrubs
Garden Styles Informal and Cottage
How Many Plants
Do I Need?
Not sure which Trillium (Wake Robin) to pick?
Compare Now

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