How to Grow Tricyrtis 'Sinonome'
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Tricyrtis 'Sinonome'
Tricyrtis hirta 'Sinonome'
flowerTricyrtis 'Sinonome' is a Japanese toad lily cultivar prized for its delicate, orchid-like flowers with deep purple spots on white petals. This shade-loving perennial produces star-shaped blooms in late summer and fall, adding elegant color to woodland gardens. The plant features slender, arching stems with lance-shaped leaves and reaches 24-36 inches in height.
When should you plant Tricyrtis 'Sinonome' in your zone?
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Example Tricyrtis 'Sinonome' timeline · Pittsburgh, PA (Zone 6b)
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Plant Tricyrtis 'Sinonome'
Around Apr 17Near Pittsburgh's average last spring frost.
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Tend & protect
Late spring–summerWatering, feeding, and pest-watch reminders.
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First Tricyrtis 'Sinonome' blooms
Mid-to-late summerBefore the first fall frost (≈ Nov 8)
Sample dates for Pittsburgh, PA. Sign up to get exact Tricyrtis 'Sinonome' dates for your own zip code.
Growing Conditions
Soil
Growing Zones
Find your zone →Zones 5-8 are ideal; hardy to zone 4b with winter protection
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Get my Tricyrtis 'Sinonome' timeline →Growth Stages
Dormancy (Winter)
November-MarchPlant dies back completely to the ground in late fall. Rhizomes rest underground in cool, moist conditions.
Apply 2-3 inches of mulch after first hard frost. Do not disturb rhizomes. Reduce watering but ensure soil never completely dries out.
Emergence & Growth (Spring)
April-JuneNew shoots emerge from rhizomes in mid-spring. Stems grow rapidly, leaves unfold in opposite pairs along upright stems.
Remove winter mulch as growth begins. Provide consistent moisture as stems develop. Apply balanced fertilizer every 3-4 weeks. Support tall stems with stakes if needed.
Vegetative Development (Early-Mid Summer)
June-AugustPlant reaches full height with dense foliage. Stems are now sturdy with multiple lance-shaped leaves arranged in pairs. No flowers yet.
Maintain consistent moisture and humidity. Ensure adequate shade, especially in southern zones. Continue regular feeding. Watch for slugs and spider mites.
Flowering (Late Summer-Fall)
August-OctoberDistinctive orchid-like flowers appear at leaf axils in late August through October. Blooms are white with deep purple spots, star-shaped with 6 petals. Flowers open progressively from lower to upper stems.
Maintain moist conditions; drought stress reduces bloom production. Deadhead spent flowers to encourage continued blooming. Reduce nitrogen fertilizer; switch to phosphorus-rich formula to promote flowering.
Senescence (Fall-Winter)
October-NovemberBlooms fade as temperatures drop. Foliage yellows and withers. Plant gradually dies back as frost approaches, returning to dormancy.
Allow plant to dry back naturally; do not cut back until completely dead. Avoid excessive watering. Prepare for winter mulching.
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
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Hand-pick in early morning, set beer traps, use copper tape barriers, apply neem oil or diatomaceous earth. Remove debris and mulch that provide hiding spaces.
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Increase humidity through misting. Spray foliage with water to dislodge mites. Apply insecticidal soap or neem oil every 7-10 days if infestation occurs.
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Spray with strong water stream to dislodge. Apply insecticidal soap or horticultural oil. Use reflective mulch to deter. Encourage beneficial insects.
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Improve air circulation and reduce overhead watering. Remove affected leaves immediately. Apply sulfur dust or fungicide if severe. Avoid wetting foliage during humid conditions.
Uses
Shade Garden Specimen
OrnamentalThe distinctive orchid-like flowers with deep purple spotting make Tricyrtis 'Sinonome' an exotic focal point in woodland and shade gardens. The late-season blooms provide color when most other shade plants have faded. [source]
Cut Flower Arrangement
HouseholdThe delicate spotted blooms are excellent in fresh floral arrangements and add an unusual, exotic appearance to indoor displays. The long stems and continuous flower production over several weeks provide reliable material for cutting gardens. [source]
Pollinator Support
WildlifeThe exotic flowers attract late-season insects including bees and beneficial pollinators searching for autumn nectar sources. The plant provides valuable food when native plant resources are scarce. [source]
Traditional Asian Medicine
MedicinalTricyrtis species have been used in traditional Chinese and Japanese herbal medicine for immune support and general wellness. The plant is valued in traditional herbalism though scientific studies are limited. [source]
This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.
Harvest Tips
Not harvested for food; grown purely for ornamental flowers. Flowers can be cut for fresh arrangements when fully open, typically lasting 5-7 days in a vase with fresh water. Cut stems in early morning and immediately place in cool water.
Fun Facts
- 🌱 Tricyrtis gets its common name 'toad lily' because the spotted petals resemble the bumpy skin of a toad, and the plant often attracts toads in gardens.
- 🌱 'Sinonome' is a Japanese cultivar name; Tricyrtis species are native to Japan and other Asian mountain forests where they thrive in cool, moist, shaded woodland conditions.
- 🌱 The flowers are pollinated primarily by insects attracted at dusk, and some species even emit a faint musky scent in the evening to attract pollinators.
Gardening Terms
New to gardening? Learn about terms used in this guide:
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