Comfrey vs Lion's Tail Plant Comparison

Compare these two plants side by side — care needs, key differences, and which is right for your home.

Comfrey

Comfrey

Symphytum officinale

VS
Lion's Tail

Lion's Tail

Leonotis leonurus

Comfrey

Comfrey

Symphytum officinale

Comfrey is a perennial herb known for its historical use in traditional medicine, though its internal use is now discouraged due to toxicity concerns. It features coarse, hairy leaves and bell-shaped flowers that are typically purple, blue, pink, or white. It grows outdoors to a height of about 1-3 feet and spreads via rhizomes. People grow it for its attractive foliage and flowers, and historically for its medicinal properties (though this is now largely avoided). It is primarily an outdoor plant and does not thrive indoors.

Boraginaceae Europe and Asia
✨ Features: Historically used in herbal medicine (though now discouraged), attracts pollinators.
📖 Read Complete Comfrey Guide
Lion's Tail

Lion's Tail

Leonotis leonurus

Leonotis leonurus, commonly known as Lion's Tail, is a large, shrubby perennial native to South Africa. It typically grows to a height of 3-6 feet. The plant is characterized by its vibrant orange, tubular flowers arranged in dense whorls around the square stems, resembling a lion's tail. It is primarily grown outdoors for its ornamental value, attracting hummingbirds and butterflies. While it can be grown indoors, it requires very bright light and may not flower as prolifically. It is not naturally an indoor plant.

Lamiaceae South Africa
✨ Features: Attracts hummingbirds and butterflies, drought-tolerant, medicinal properties (traditional use)
📖 Read Complete Lion's Tail Guide

Quick Plant Comparison

Feature Comfrey Lion's Tail
Light Full sun to partial shade Full sun to partial shade
Watering Every 1-2 weeks, depending on weather and soil drainage Every 7-14 days, depending on weather and soil drainage
Humidity 30-50% 40-60%
Temperature 10-25°C 18-27°C
Care Level Expert Expert
Growth Rate Fast Fast
Max Height N/A - Not suitable for indoor growing 1-2 meters (indoors, if grown)
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-drained soil, loamy or sandy soil is best. Tolerates a wide range of soil types, including poor soil. Well-draining soil, such as a mix of potting soil, perlite, and sand
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 10 minutes weekly (mostly weeding and watering) 30 minutes weekly (including watering, pruning, and pest control)

🔬 Botanical Information — Comparing These Plants

Comfrey

Scientific Name Symphytum officinale
Family Boraginaceae
Native To Europe and Asia
Also Known As Comfrey, Common Comfrey, Knitbone, Boneset
Leaves The leaves are large, coarse, and hairy, with an oval to lanceolate shape. They are typically dark green and can grow up to 10 inches long. The texture is rough due to the presence of bristly hairs.
Flowers Comfrey produces bell-shaped flowers that hang in clusters. The flowers are typically purple, blue, pink, or white. It rarely flowers indoors.

Lion's Tail

Scientific Name Leonotis leonurus
Family Lamiaceae
Native To South Africa
Also Known As Lion's Tail, Wild Dagga, Lion's Ear
Leaves The leaves are lance-shaped, about 4-8 inches long, and have serrated edges. They are typically dark green and slightly rough in texture.
Flowers It rarely flowers indoors. Outdoors, it produces vibrant orange, tubular flowers arranged in dense whorls around the stems, typically in late summer and fall.

📏 Size & Growth — Plant Comparison

Comfrey

Height N/A - Not suitable for indoor growing
Spread N/A - Not suitable for indoor growing
Growth Rate Fast
Growth Pattern Comfrey grows as an upright, bushy perennial. It spreads aggressively via rhizomes, forming dense clumps.

Lion's Tail

Height 1-2 meters (indoors, if grown)
Spread 0.5-1 meter
Growth Rate Fast
Growth Pattern Upright, shrubby perennial with multiple stems growing from the base. It can become quite bushy and spreading if not pruned.

🌱 Propagation — Comparing Plant Growth

Comfrey

Methods: Root cuttings, Division, Seed

Difficulty: Easy

Tips: Divide established plants in spring or fall. Root cuttings should be taken in late fall or early spring. Sow seeds directly in the garden in spring or fall.

Lion's Tail

Methods: Stem cuttings, Seed

Difficulty: Easy

Tips: Take stem cuttings in spring or summer. Dip the cut end in rooting hormone and plant in well-draining soil. Keep the soil moist until roots develop. Seeds can be sown in spring after the last frost.

✨ Benefits & Features — Comparing Plant Value

Comfrey

Comfrey is known for its rapid growth and ability to accumulate nutrients from the soil. It's also notable for its historical use in traditional medicine, although this is now largely discouraged due to toxicity concerns.

  • ✓ Attracts pollinators
  • ✓ Provides ground cover
  • ✓ Tolerates poor soil
  • ✓ Low maintenance
  • ✓ Historically used in herbal medicine
  • ⚠️ Toxic to pets

Lion's Tail

The unique whorled arrangement of vibrant orange flowers around the square stems gives it a distinctive appearance. It is also known for attracting hummingbirds and butterflies.

  • ✓ Attracts pollinators, enhancing garden biodiversity.
  • ✓ Provides vibrant color and visual interest to the landscape.
  • ✓ Drought-tolerant, reducing water consumption.
  • ✓ Offers potential medicinal benefits (traditional use).
  • ✓ Creates a natural and wild aesthetic.
  • ⚠️ Toxic to pets

📅 Maintenance Schedule — Plant Care Comparison

Comfrey

Repotting N/A - Not suitable for indoor growing
Pruning Cut back foliage after flowering to encourage new growth. Remove any dead or damaged leaves.
Fertilizing Apply a balanced fertilizer (10-10-10) in early spring. Avoid over-fertilizing, as this can reduce flowering.
Seasonal Care In spring, apply fertilizer and divide plants if needed. In summer, water regularly and monitor for pests and diseases. In fall, cut back foliage after flowering. In winter, the plant will die back to the ground.

Lion's Tail

Repotting Not applicable if grown outdoors. If grown indoors, repot annually in spring.
Pruning Prune after flowering to maintain shape and encourage bushier growth.
Fertilizing Balanced liquid fertilizer diluted to half strength, applied monthly during the growing season (spring and summer)
Seasonal Care In winter, reduce watering and protect from frost. In summer, provide regular watering and fertilization.

🌞 Light Requirements

Comfrey

Full sun to partial shade

Low light tolerant: ❌ No

Lion's Tail

Full sun to partial shade

Low light tolerant: ❌ No

💧 Watering Needs

Comfrey

Water deeply when the top inch of soil feels dry. Avoid overwatering, which can lead to root rot. Comfrey prefers consistently moist soil but doesn't like to sit in standing water. Signs of underwatering include wilting leaves; overwatering signs include yellowing leaves and a musty smell.

Lion's Tail

Water deeply when the top inch of soil feels dry. Avoid overwatering, which can lead to root rot. During the growing season, water more frequently. Reduce watering in the winter.

🌡️ Temperature & Humidity

Comfrey

Temperature: 10-25°C

Humidity: 30-50%

Lion's Tail

Temperature: 18-27°C

Humidity: 40-60%

🤔 Which Plant Is Right For You?

Comfrey

Comfrey

Symphytum officinale
Care: Expert Time: 10 minutes weekly (mostly weeding and watering) Beginner: No

Experienced gardeners looking for a low-maintenance, fast-growing ground cover in a large outdoor space, understanding the toxicity risks.

✅ Choose This Plant If...

  • You have a large outdoor space and need a fast-growing ground cover.
  • You are interested in attracting pollinators to your garden.
  • You are an experienced gardener familiar with the plant's toxicity.
  • You want a low-maintenance plant that can tolerate a wide range of soil conditions.
  • You appreciate plants with a rich history of traditional use (though not for internal consumption).

❌ Skip This Plant If...

  • You have pets or small children who might ingest the plant.
  • You have limited space, as comfrey spreads aggressively.
  • You are looking for an easy-to-grow indoor plant.
📍 Ideal Location: Outdoor garden or meadow with full sun to partial shade.
🎨 Style: Cottage garden, Naturalistic
🏠 Apartment Friendly: No
⚠️ Comfrey contains pyrrolizidine alkaloids (PAs), which are toxic to dogs, cats, and horses. Symptoms include liver damage, vomiting, diarrhea, and abdominal pain. All parts of the plant are toxic, but the roots contain the highest concentration of PAs.
Lion's Tail

Lion's Tail

Leonotis leonurus
Care: Expert Time: 30 minutes weekly (including watering, pruning, and pest control) Beginner: No

Gardeners in warm climates looking for a vibrant, drought-tolerant plant that attracts pollinators.

✅ Choose This Plant If...

  • You want to attract hummingbirds and butterflies to your garden.
  • You live in a warm, dry climate.
  • You are looking for a drought-tolerant plant.
  • You appreciate unique and vibrant flowers.
  • You have experience with outdoor gardening and can provide full sun.

❌ Skip This Plant If...

  • You have pets (dogs, cats, or horses) due to its toxicity.
  • You live in a cold climate with frequent frosts.
  • You lack a sunny outdoor space.
  • You are looking for a low-maintenance indoor plant.
📍 Ideal Location: Sunny garden or patio
🎨 Style: Bohemian, Mediterranean, Cottage Garden
🏠 Apartment Friendly: No
⚠️ According to the ASPCA, Leonotis leonurus contains diterpenoid compounds that are toxic to dogs, cats, and horses. Symptoms include vomiting, diarrhea, incoordination, and tremors. All parts of the plant are considered toxic.

🎯 Quick Verdict

Best for Beginners Neither ideal
Pet Friendly Neither - caution
Less Maintenance Similar effort
Apartment Friendly Check space

⚡ Key Differences Between These Plants

🌿

Both plants have similar basic care requirements but differ in appearance and specific needs. Compare plants carefully to find the best fit for your space.

💡 Pro Tips For Comparing These Plants

Comfrey Care Tips

Comfrey is an outdoor plant that is very difficult to grow indoors due to its need for full sun and its aggressive growth habit. It spreads via rhizomes and requires a large space to thrive. Indoor cultivation is not recommended due to these challenges and the plant's toxicity.

  • Plant in a location where it can spread freely.
  • Water deeply but infrequently.
  • Avoid over-fertilizing.
  • Monitor for pests and diseases.
  • Be aware of the plant's toxicity and take precautions to prevent ingestion.
❄️ Winter: Comfrey is dormant in winter. Cut back foliage after it dies back. No watering or fertilizing is needed.
☀️ Summer: Water regularly during dry periods. Monitor for pests and diseases. Provide shade during the hottest part of the day in very hot climates.

Lion's Tail Care Tips

Lion's Tail is primarily an outdoor plant that requires full sun and well-draining soil. Growing it indoors is challenging due to its high light requirements. It needs regular watering and fertilization during the growing season. It is toxic to pets.

  • Provide full sun for optimal flowering.
  • Ensure well-draining soil to prevent root rot.
  • Prune after flowering to maintain shape and encourage bushier growth.
  • Monitor for pests and diseases regularly.
  • Water deeply but infrequently, allowing the soil to dry out slightly between waterings.
❄️ Winter: Reduce watering significantly. Protect from frost by mulching heavily or moving potted plants to a sheltered location. In colder climates, it may die back to the ground and re-emerge in spring.
☀️ Summer: Provide regular watering and fertilization. Monitor for pests and diseases. Prune after flowering to encourage bushier growth.

⚠️ Common Problems & Solutions — Plant Care Comparison

Comfrey

Common Issues: Powdery mildew, Rust, Slugs and snails
Solutions: Powdery mildew: Improve air circulation and apply a fungicide. | Rust: Remove infected leaves and apply a fungicide. | Slugs and snails: Use slug bait or handpick them off the plants.

Lion's Tail

Common Issues: Root rot, Powdery mildew, Aphids, Spider mites
Solutions: Root rot: Ensure well-draining soil and avoid overwatering. Powdery mildew: Improve air circulation and apply a fungicide. Aphids: Spray with insecticidal soap. Spider mites: Increase humidity and spray with miticide.

❓ Frequently Asked Questions — Comparing These Plants

Comfrey

What are the light requirements for Comfrey?

Comfrey thrives in partial to full sunlight, requiring at least 4-6 hours of direct sunlight per day for optimal growth and flowering. However, it can also tolerate partial shade, especially in hotter climates where intense afternoon sun can scorch its leaves. When grown in full sun, ensure adequate watering to prevent the soil from drying out.

How do I care for Comfrey?

Comfrey is relatively easy to care for. Plant in a location with partial to full sunlight, although it tolerates shade. Soil should be well-draining and fertile, but Comfrey is adaptable to various soil types. Water regularly, especially during dry periods, keeping the soil consistently moist but not waterlogged. Fertilize in spring with a balanced fertilizer to promote healthy growth and flowering.

How do I propagate Comfrey?

Comfrey is easily propagated through division, stem cuttings, or root cuttings.

Lion's Tail

What are the light requirements for Lion's Tail?

Lion’s Tail thrives in full sun, requiring at least six hours of direct sunlight each day to promote optimal growth and abundant flowering. Inadequate light can lead to leggy growth, reduced flowering, and weaker stems. When grown indoors, place the plant near a south-facing window to maximize light exposure. If natural light is insufficient, consider supplementing with grow lights.

How do I care for Lion's Tail?

To successfully grow Lion’s Tail, provide it with plenty of sunlight, ideally at least six hours of direct sun each day. Well-draining soil is crucial to prevent root rot; a mix of potting soil, perlite, and sand works well. Water thoroughly when the top inch of soil feels dry, and avoid overwatering. Fertilize regularly during the growing season (spring and summer) with a balanced fertilizer to promote abundant blooms.

How do I propagate Lion's Tail?

Lion’s Tail can be propagated through stem cuttings, division, and seeds. For stem cuttings, take a 4-6 inch cutting from a healthy stem, remove the lower leaves, and dip the cut end in rooting hormone. Plant the cutting in well-draining soil and keep it moist until roots develop. For division, carefully separate the root ball of a mature plant into multiple sections, ensuring each section has healthy roots and stems. Replant each section in its own pot.

Last updated: May 11, 2026 — Plant care data reviewed and verified by our editorial team.