Perennials
Tricyrtis formosana 'Seiryu'
Seiryu toad lily
Also known as: Hatatogisa toad lily · Tricyrtis formosana 'Hatatogisa'
Violet-speckled flowers shade from white centers to pale blue tips. Plant near a path to appreciate their fine detail. Divide crowded clumps in early spring.
At a glance
- Sun
- Part shade to shade
- Mature size
- 20–23 in. tall × 18–23 in. wide
- Water
- Moderate; evenly moist
- Hardiness
- USDA zones 4–9
- Bloom
- Pale blue, white and violet; fall.
Sizes & prices
- #1$19.99
Catalog updated September 8, 2026. This is not a live stock count; please call to confirm availability and price.
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Resistance & tolerances
- Rabbits
- Resistant, not browse-proof.
- Drought
- Water during dry spells.
- Wet soil
- Moist, well-drained soil; avoid standing water.
- Clay soil
- Suitable with appropriate drainage.
Resistance is not a guarantee; deer and rabbits may browse any plant.
Sources & photo credits
Botanical name: Kew Science.
Photo: Ball Horticultural Company image library · Authorized promotional use
Image notes: Tricyrtis Seiryu. Photo courtesy of Ball Horticultural Company. Resized, uncropped.
Reviewed September 19, 2026. Growing conditions vary by location.