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botanical name:
Tricyrtis 'Empress'
Tricyrtis 'Empress' © Deeproot Plant Base    view larger image
common name:  Toad Lily
synonyms:  Tricyrtis formosana 'Empress'
family:  Liliaceae
characteristics: perennial
height: 0.70m
width: 0.60m
growth rate: medium
growth habit: clump
leaf colour: green
flower colour: purple
main season: Autumn
aspect: full sun, part shade, shade
conditions: moist soil, sandy soil
preferred soil pH: neutral-acid
minimum temp: -20°C
USDA zone: 6 to 8
Clump forming with dark upright stems and glossy green lance-shaped leaves, stem-clasping at the base. Attractive, relatively large orchid-like, white flowers with heavy purple spotting, from late summer to mid autumn. Spreads slowly by stolons.

Prefers a moist but well drained, humus-rich, sandy loam in light shade. Will grow in full sun if the soil does not dry out. Can be susceptible to slug damage.

By division in early spring.

Woodland gardens.

other notes:
Probably a hybrid of Tricyrtis formosana, raised in the USA.
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