Photo by Melody

PlantFiles: Giant White Trillium
Trillium albidum

Family: Trilliaceae
Genus: Trillium (TRIL-ee-um) (Info)
Species: albidum (AL-bi-dum) (Info)

4 members have or want this plant for trade.


12-18 in. (30-45 cm)
18-24 in. (45-60 cm)

Unknown - Tell us

USDA Zone 6a: to -23.3 C (-10 F)
USDA Zone 6b: to -20.5 C (-5 F)
USDA Zone 7a: to -17.7 C (0 F)
USDA Zone 7b: to -14.9 C (5 F)
USDA Zone 8a: to -12.2 C (10 F)
USDA Zone 8b: to -9.4 C (15 F)
USDA Zone 9a: to -6.6 C (20 F)
USDA Zone 9b: to -3.8 C (25 F)

Sun Exposure:
Unknown - Tell us

Unknown - Tell us

Bloom Color:
White/Near White

Bloom Time:
Late Winter/Early Spring
Mid Spring
Late Spring/Early Summer


Other details:
Requires consistently moist soil; do not let dry out between waterings

Soil pH requirements:
Unknown - Tell us

Patent Information:
Unknown - Tell us

Propagation Methods:
Unknown - Tell us

Seed Collecting:
Unknown - Tell us

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No positives
1 neutral
No negatives

Gardeners' Notes:

Neutral macybee On Nov 23, 2007, macybee from Deer Park, TX (Zone 9a) wrote:

Rhizomatnous, deciduous perennials. Upright or nodding, solitary of funnel-shaped flowers with 3 simple petals are held just above a whorl of 3 leaves. The numerous species are found in woodland habitats, flowering in spring before the deciduous leaves which remain green until fall.
Trillium albidum:
Native to western USA, this species has 8" leaves, grows to over 18" tall and is similar to Trillium chloropetalum. It's flowers are white flushed pink and are up to 4" long.
Zones 6-9
Very frost hardy, they prefer a cool, moist soil with ample water and shade from the hot afternoon sun. Slow to propagate from seed in fall or by division in summer, they are long lived once established.


This plant has been said to grow in the following regions:

Salem, Oregon
Lehigh Valley, Pennsylvania

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