Is Tricyrtis invasive?
Michael Gray
Updated on April 03, 2026
Tricyrtis formosana Toad lily blooms in early autumn along arching stems to 2 or 3 feet tall. Plants grow to 2 feet wide. They make subtle, but exotic specimens for woodland borders and shady house plantings. They will colonize over time, but are not invasive.
Is Tricyrtis poisonous to cats?
Although the leaves of Tricyrtis species are edible, most parts of these plants are poisonous to cats and dogs. We recommend growing these plants in a location where your curious beloved ones won’t be able to reach them.
Is Tricyrtis an evergreen?
An attractive, easy-to-grow evergreen perennial which forms a low-growing mat of jagged, hairy grey-green leaves. Heart-shaped green leaves with white margins adorn this shade-loving perennial.
How do you grow a Tricyrtis?
Tricyrtis are best planted in moist, well-drained soil of sand, loam and chalk within an acidic or neutral PH balance. They should be planted 7cm (3”) deep and spaced approximately 15-20cm (6-8”) apart. Water deeply and thoroughly at the time of planting to settle the soil in place.
Is Tricyrtis deer resistant?
Incredibly pretty and exotic-looking, Tricyrtis formosana (Toad Lily) is a shade-loving perennial with small, orchid-like flowers, 1 in. Relatively trouble-free, this Toad Lily requires little maintenance, is heavy shade tolerant and deer resistant.
When can you transplant Tricyrtis?
They’re grown from underground rhizomes — bulbs — best planted in the spring after the last frost.
- Choose a location that receives two to four hours of direct sunlight a day, and turn the soil 8 to 10 inches deep with a garden fork or spade.
- Dig a hole two times as wide as the rhizome and about 3 or 4 inches deep.
Can a cat survive after eating lilies?
Recovery of Lily Plant Poisoning in Cats If lily consumption is noticed and treated quickly, the cat may survive. If even one day goes by without treatment, the outcome becomes very dire, with most cats dying of kidney failure within days. Many people are unaware of how deadly these common plants can be to a cat.
How do you care for a Tricyrtis?
Grow toad lilies in part to full shade and moist soil rich in organic matter. This plant tolerates sun in cool climates as long as it is kept moist. With insufficient moisture leaves will become spotted and brown along the edges and plants may go dormant prematurely and not bloom in drought conditions.
Are tricyrtis Hardy?
As such they are therefore best suited to a shady border, a peat bank or perhaps naturalising in a woodland garden. As you would expect, knowing this, they are fully hardy although, at first sight, their orchid like flowers mistakenly suggest tenderness.
How do you care for a tricyrtis?
Will deer eat Tricyrtis?
Toad lilies have few pest problems, although rabbits may eat them. Hairy toad lily has few pest problems, although slugs may damage the young growth and rabbits may eat the leaves and flower buds. Deer, however, do not prefer this plant.