Toad Lily (Tricyrtis ‘Tojen’)

Plant: Table of Contents

Plant Profile: Toad Lily (Tricyrtis ‘Tojen’)

Toad lilies, with their exquisite and unique appearance, add an intriguing charm to any garden. Known for their standout foliage and enchanting blooms, the Tricyrtis ‘Tojen’ is a delightful addition to any landscape. In this comprehensive guide, we will explore the key aspects of the toad lily, diving into its culture, uses, care requirements, and much more.

What is a Toad Lily (Tricyrtis ‘Tojen’)?

Toad lilies are herbaceous perennial plants belonging to the Genus Tricyrtis within the family Liliaceae. The ‘Tojen’ variety, in particular, is celebrated for its elegant and intricate flowers. This cultivar is a hybrid resulting from careful breeding and selection, offering distinct characteristics that make it a treasured addition to gardens.

Key Takeaways – Toad Lily (Tricyrtis ‘Tojen’)

Before delving deeper into the various aspects of the toad lily, let’s highlight the key takeaways that will be covered in this guide:

  • Culture
  • Uses
  • Water
  • Sunlight
  • Fertilizer
  • Soil
  • Pruning
  • Propagation
  • Container Popularity
  • Container Common Diseases
  • Disease Diagnosis
  • Common Pests
  • Botanist’s Tips
  • Fun Facts
  • Links to External Resources



Toad lilies, including the ‘Tojen’ variety, are valued for their ornamental characteristics, making them a popular choice in shaded gardens and woodland settings. They serve various purposes, including:

  • Ornamental Display: The striking blooms and intriguing foliage make toad lilies a favored choice for adding visual interest and diversity to garden beds and borders.
  • Shade Gardening: Excelling in shaded areas, toad lilies can brighten up dim corners and contribute to the lushness of shade gardens.
  • Wildlife Habitat: The flowers of toad lilies can attract pollinators such as bees and butterflies, further enhancing the garden ecosystem.


Toad lilies prefer consistently moist soil, especially during their active growth period. Adequate watering is crucial, ensuring that the soil remains evenly moist, but not waterlogged. During the hotter months, regular watering is essential to prevent the soil from drying out.


While toad lilies thrive in shaded environments, they benefit from dappled sunlight or morning sun. Planting them in areas with bright, indirect light supports healthy growth and encourages abundant flowering. However, prolonged exposure to intense sunlight can lead to leaf scorch, especially in regions with hot summers.


To encourage robust growth and profuse flowering, toad lilies can benefit from a balanced, all-purpose fertilizer during the growing season. Applying a slow-release fertilizer in spring provides essential nutrients for sustained development. It is important to follow the recommended application rates to prevent excessive fertilizer buildup in the soil.


Toad lilies prefer rich, well-draining soil with sufficient organic matter. A slightly acidic to neutral pH level is ideal, providing an optimal growing medium for these plants. Ensuring good soil structure and fertility contributes to the overall health and vigor of toad lilies.


Pruning toad lilies primarily involves removing spent blooms and tidying up the plants. Deadheading the flowers not only maintains a tidy appearance but also promotes continuous blooming. Additionally, trimming back the foliage in late fall can help prepare the plants for the dormant season while preventing the accumulation of debris.


Toad lilies can be propagated through division or seed sowing. Division is often the preferred method as it allows for the replication of desirable traits from the parent plant. Division is carried out in early spring or fall, with each divided section consisting of healthy rhizomes and shoots. Seed propagation, while feasible, may result in variable offspring, making division the preferred choice for maintaining specific cultivars such as ‘Tojen.’

Container Popularity

Toad lilies, including the ‘Tojen’ variety, are well-suited for container gardening. Their compact yet elegant growth habit makes them an excellent choice for adding interest to patio displays, shaded balconies, and indoor settings. When selecting containers for toad lilies, ensure adequate drainage and a suitable growing medium to support their moisture requirements.

Common Diseases

Toad lilies are relatively resilient, but they may encounter certain diseases under unfavorable conditions. Common diseases that may affect toad lilies, including the ‘Tojen’ variety, include:

  • Leaf Spot: Fungal pathogens can cause leaf spots, leading to blemished foliage. Proper sanitation and appropriate watering practices help mitigate leaf spot occurrences.
  • Powdery Mildew: Humid conditions can promote powdery mildew, resulting in a white powdery coating on the foliage. Adequate air circulation and minimizing humidity levels can discourage powdery mildew development.

Disease Diagnosis

When diagnosing potential diseases affecting toad lilies, careful observation is essential. Monitoring the appearance and progression of symptoms such as discolored foliage, spotted leaves, or abnormal growth can provide valuable insights into the presence of diseases. Additionally, consulting with local horticulture extension services or plant health experts can aid in accurate disease diagnosis and appropriate treatment recommendations.

Common Pests

Toad lilies, including the ‘Tojen’ cultivar, may fall victim to certain pests that target their foliage and blooms. Common pests that may affect toad lilies include:

  • Slugs and Snails: These pests can leave visible trails and feed on the leaves, causing unsightly damage. Applying physical barriers and employing organic pest control methods can effectively manage slug and snail infestations.
  • Aphids: Aphids can cluster on the tender parts of toad lilies, sucking sap and potentially causing distortion of new growth. Natural predators and gentle spraying with water can help keep aphid populations in check.

Botanist’s Tips

To maximize the growth and visual appeal of toad lilies, here are some botanist’s tips to keep in mind:

  • Mulching: Applying a layer of organic mulch around toad lilies helps retain moisture, insulate the roots, and suppress weed growth.
  • Support: Providing subtle support for taller varieties of toad lilies can prevent the stems from bending or breaking under the weight of the flowers.
  • Regular Inspection: Conducting routine inspections of toad lilies allows for early detection of any issues, facilitating prompt intervention and maintenance.

Fun Facts

  • The name “toad lily” is derived from the flowers’ resemblance to toad skin, particularly in certain varieties with speckled or spotted petals.
  • Toad lilies are native to East Asia, including regions such as Japan, China, and the Korean Peninsula.
  • Some species of toad lilies have been used in traditional medicine for their purported medicinal properties, although their efficacy and safety require further scientific validation.

Links to External Resources

For additional information, resources, and gardening inspiration related to toad lilies, explore the following external links:

With this comprehensive guide, you now have a deeper understanding of the captivating toad lily, specifically the Tricyrtis ‘Tojen’ variety. Whether you are a seasoned gardener or an enthusiastic beginner, incorporating the beauty of toad lilies into your landscape can bring a touch of elegance and allure to your outdoor spaces. Explore the multitude of cultivars and embrace the enchanting world of toad lilies as you embark on a botanical journey filled with color, texture, and natural splendor.

Picture of Peter Taylors

Peter Taylors

Expert botanist who loves plants. His expertise spans taxonomy, plant ecology, and ethnobotany. An advocate for plant conservation, he mentors and educates future botanists, leaving a lasting impact on the field.