Lion's Tail vs Lobelia Cardinalis Plant Comparison

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

Lion's Tail

Lion's Tail

Leonotis leonurus

VS
Lobelia Cardinalis

Lobelia Cardinalis

Lobelia cardinalis

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
Lobelia Cardinalis

Lobelia Cardinalis

Lobelia cardinalis

Lobelia cardinalis, the Cardinal flower, is a striking herbaceous perennial native to North America. It features vibrant red, tubular flowers arranged on tall spikes, reaching heights of 2-4 feet. The plant has lance-shaped, green leaves that provide a lush backdrop to the brilliant blooms. It thrives in moist, well-drained soil and prefers partial shade to full sun. Cardinal flowers are primarily grown for their showy flowers, which attract hummingbirds and butterflies, making them a popular choice for gardens and naturalized areas. While it can be grown in containers, it is primarily an outdoor plant and may struggle indoors.

Campanulaceae North America
✨ Features: Attracts hummingbirds and butterflies, showy red flowers
📖 Read Complete Lobelia Cardinalis Guide

Quick Plant Comparison

Feature Lion's Tail Lobelia Cardinalis
Light Full sun to partial shade Partial shade to full sun (at least 6 hours of direct sunlight)
Watering Every 7-14 days, depending on weather and soil drainage Every 2-3 days, depending on weather and soil drainage
Humidity 40-60% 40-60%
Temperature 18-27°C 15-25°C
Care Level Expert Expert
Growth Rate Fast Moderate
Max Height 1-2 meters (indoors, if grown) 0.6-1.2 meters (2-4 feet)
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining soil, such as a mix of potting soil, perlite, and sand Rich, well-drained soil with plenty of organic matter
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 30 minutes weekly (including watering, pruning, and pest control) 15 minutes weekly

🔬 Botanical Information — Comparing These Plants

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.

Lobelia Cardinalis

Scientific Name Lobelia cardinalis
Family Campanulaceae
Native To North America
Also Known As Cardinal flower, Red lobelia
Leaves Lance-shaped, medium green leaves with serrated edges. Leaves are typically 7-15 cm long and arranged alternately along the stem.
Flowers Flowers are bright red, tubular, and arranged in a spike-like raceme. They bloom from mid-summer to early fall. It is highly unlikely to flower indoors due to light requirements.

📏 Size & Growth — Plant Comparison

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.

Lobelia Cardinalis

Height 0.6-1.2 meters (2-4 feet)
Spread 30-60 cm (1-2 feet)
Growth Rate Moderate
Growth Pattern Upright, clumping perennial with tall flower spikes.

🌱 Propagation — Comparing Plant Growth

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.

Lobelia Cardinalis

Methods: Seed, Division, Stem cuttings

Difficulty: Moderate

Tips: For seeds, cold stratify for 30 days before sowing. Divide clumps in spring or fall. Take stem cuttings in late spring and root in moist soil.

✨ Benefits & Features — Comparing Plant Value

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

Lobelia Cardinalis

The vibrant red color and tubular shape of the flowers are specifically adapted to attract hummingbirds. It is a native plant that supports local ecosystems and provides habitat for wildlife.

  • ✓ Attracts pollinators (hummingbirds, butterflies)
  • ✓ Adds vibrant color to the garden
  • ✓ Provides habitat for wildlife
  • ✓ Native plant supports local ecosystems
  • ✓ Can be used in cut flower arrangements
  • ⚠️ Toxic to pets

📅 Maintenance Schedule — Plant Care Comparison

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.

Lobelia Cardinalis

Repotting Not applicable as it's primarily an outdoor plant. If grown in containers, repot every 2-3 years in spring.
Pruning Deadhead spent flowers to encourage continued blooming. Cut back to the base in late fall after the foliage has died back.
Fertilizing Balanced liquid fertilizer (10-10-10) diluted to half strength, applied monthly during the growing season (spring and summer)
Seasonal Care In spring, divide clumps to propagate. In summer, provide consistent moisture and fertilize regularly. In fall, cut back spent flower spikes. In winter, mulch to protect from frost.

🌞 Light Requirements

Lion's Tail

Full sun to partial shade

Low light tolerant: ❌ No

Lobelia Cardinalis

Partial shade to full sun (at least 6 hours of direct sunlight)

Low light tolerant: ❌ No

💧 Watering Needs

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.

Lobelia Cardinalis

Keep the soil consistently moist, especially during hot weather. Water deeply when the top inch of soil feels dry. Overwatering can lead to root rot, indicated by yellowing leaves and a musty smell. Underwatering results in wilting and dry, crispy leaves.

🌡️ Temperature & Humidity

Lion's Tail

Temperature: 18-27°C

Humidity: 40-60%

Lobelia Cardinalis

Temperature: 15-25°C

Humidity: 40-60%

🤔 Which Plant Is Right For You?

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.
Lobelia Cardinalis

Lobelia Cardinalis

Lobelia cardinalis
Care: Expert Time: 15 minutes weekly Beginner: No

Gardeners looking to attract hummingbirds and butterflies to their moist, partially shaded gardens.

✅ Choose This Plant If...

  • You want to attract hummingbirds to your garden.
  • You have a moist, partially shaded area in your yard.
  • You appreciate vibrant red flowers.
  • You enjoy native North American plants.
  • You want a plant that adds vertical interest to your garden.

❌ Skip This Plant If...

  • You have pets that might ingest the plant.
  • You have a dry garden.
  • You are looking for a low-maintenance indoor plant.
📍 Ideal Location: Outdoor garden or naturalized area with moist soil and partial shade.
🎨 Style: Cottage, Naturalistic, Woodland
🏠 Apartment Friendly: No
⚠️ All parts of the plant are toxic to dogs, cats, and horses. Symptoms include nausea, vomiting, diarrhea, and in severe cases, respiratory paralysis. The toxic compounds are alkaloids.

🎯 Quick Verdict

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

⚡ Key Differences Between These Plants

☀️

Lion's Tail needs full sun to partial shade, while Lobelia Cardinalis prefers partial shade to full sun (at least 6 hours of direct sunlight).

📈

Lion's Tail has fast growth, while Lobelia Cardinalis grows moderate.

💡 Pro Tips For Comparing These Plants

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.

Lobelia Cardinalis Care Tips

Lobelia cardinalis is primarily an outdoor plant that requires consistent moisture and partial to full sun. Indoor cultivation is challenging due to the need for high light levels and humidity. It is prone to root rot if overwatered and requires regular fertilization during the growing season. It is also toxic to pets.

  • Provide consistent moisture, especially during hot weather.
  • Deadhead spent flowers to encourage more blooms.
  • Divide clumps every few years to prevent overcrowding.
  • Protect from slugs and snails.
  • Mulch around the base of the plant to retain moisture and suppress weeds.
❄️ Winter: Cut back the foliage to the base after it dies back in the fall. Mulch around the base of the plant to protect the roots from frost.
☀️ Summer: Provide consistent moisture, especially during hot weather. Fertilize monthly with a balanced liquid fertilizer. Monitor for pests such as aphids and slugs.

⚠️ Common Problems & Solutions — Plant Care Comparison

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.

Lobelia Cardinalis

Common Issues: Root rot, Aphids, Powdery mildew, Slugs and snails
Solutions: Root rot: Improve drainage and reduce watering frequency. Aphids: Spray with insecticidal soap. Powdery mildew: Improve air circulation and apply fungicide. Slugs and snails: Use slug bait or handpick.

❓ Frequently Asked Questions — Comparing These Plants

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.

Lobelia Cardinalis

What are the light requirements for Lobelia Cardinalis?

Lobelia Cardinalis prefers bright, indirect light. While it can tolerate some morning sun, intense afternoon sun can scorch the leaves, especially in hotter climates. When grown indoors, place the plant near an east-facing or west-facing window where it will receive ample light without direct exposure. If you don’t have access to natural light, consider using a grow light to supplement its needs. Insufficient light can lead to leggy growth and reduced flowering. Rotate the plant regularly to ensure even light exposure on all sides. Watch for signs of overexposure, such as bleached or burned leaves, and adjust the plant’s location accordingly.

How do I care for Lobelia Cardinalis?

Lobelia Cardinalis thrives in consistently moist soil, ideally rich in organic matter. Water regularly, especially during dry periods, ensuring the soil doesn’t dry out completely. Provide bright, indirect light; direct sunlight can scorch the leaves. Fertilize every 2-4 weeks during the growing season (spring and summer) with a balanced liquid fertilizer, diluted to half strength. Deadhead spent flowers to encourage continued blooming. Maintain a humid environment, especially if growing indoors; consider using a humidifier or placing the plant on a pebble tray filled with water. Protect from frost in colder climates, either by bringing it indoors or providing adequate winter protection. Repot in spring if the plant becomes root-bound. Monitor for pests such as aphids and spider mites, and treat promptly if necessary. Propagate by seed, division, or stem cuttings.

How do I propagate Lobelia Cardinalis?

Lobelia Cardinalis can be propagated by division, stem cuttings, or seeds. For division, carefully separate the plant into smaller clumps in early spring, ensuring each clump has roots and foliage. Replant the divisions in moist, well-draining soil. For stem cuttings, take 4-6 inch cuttings from healthy stems in spring or summer. Remove the lower leaves and place the cuttings in water or moist potting mix until roots develop. Once rooted, transplant into pots. Seeds can be sown indoors in early spring or directly outdoors after the last frost. Keep the soil consistently moist until germination.

Last updated: May 13, 2026 — Plant care data reviewed and verified by our editorial team.