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botanical name:
Erythronium tuolumnense
Erythronium tuolumnense © Deeproot Plant Base
family:  Liliaceae
characteristics: perennial
height: 0.30m
width: 0.10m
growth rate: medium
growth habit: bulb/corm
leaf colour: light green
flower colour: yellow
main season: Spring
aspect: part shade, shade
conditions: moist soil
preferred soil pH: acid
minimum temp: -15°C
USDA zone: 7 to 9
Vigorous bulbous perennial with large elliptic pale to mid-green leaves and green veined, bright yellow flowers in spring, up to four per stem..

Shady, sheltered position and moist, rich, preferable acid soil. May be slow to establish.

By division of large clumps. May self seed in suitable conditions.

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