Lion's Ear vs Purple Fountain Grass Plant Comparison

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

Lion's Ear

Lion's Ear

Leonotis leonurus

VS
Purple Fountain Grass

Purple Fountain Grass

Pennisetum setaceum 'Rubrum'

Lion's Ear

Lion's Ear

Leonotis leonurus

Leonotis leonurus, commonly known as Lion's Ear, is a large, robust shrub native to Southern Africa. It typically grows to a height of 3-6 feet. It features distinctive, tiered whorls of bright orange, tubular flowers that resemble a lion's ear, hence the name. The plant has lance-shaped, aromatic leaves. While it can be grown in containers, it is primarily an outdoor plant, thriving in sunny gardens. People grow it for its unique and showy flowers, its drought tolerance, and its traditional medicinal uses.

Lamiaceae Southern Africa
✨ Features: Attracts hummingbirds and butterflies; traditional medicinal uses (though use with caution and consult a professional).
📖 Read Complete Lion's Ear Guide
Purple Fountain Grass

Purple Fountain Grass

Pennisetum setaceum 'Rubrum'

Purple Fountain Grass is a striking ornamental grass prized for its arching, burgundy-purple foliage and bottlebrush-like flower plumes. It typically grows in a mounded form, reaching several feet in height and width. While technically a perennial in warmer climates, it is often grown as an annual in cooler regions due to its sensitivity to frost. It is primarily an outdoor plant, grown for its dramatic texture and color in gardens and landscapes. People grow it for its ornamental value, adding movement and visual interest to borders, containers, and mass plantings.

Poaceae Hybrid cultivar; species native to Africa, Southwest Asia
✨ Features: Attractive foliage and flower plumes, drought tolerance, deer resistance
📖 Read Complete Purple Fountain Grass Guide

Quick Plant Comparison

Feature Lion's Ear Purple Fountain Grass
Light Full sun to partial shade Full sun (at least 6 hours of direct sunlight per day)
Watering Every 1-2 weeks, depending on weather and soil drainage Every 7-10 days, depending on weather and soil drainage
Humidity 40-60% 20-50%
Temperature 18-27°C 18-30°C
Care Level Expert Expert
Growth Rate Fast Moderate
Max Height 1-2 meters (indoors, if attempted, likely smaller) Outdoor: 0.6-1.5 meters. Indoor (unlikely to thrive): 0.3-0.6 meters
Pet Safety ❌ Toxic To Pets ✅ Safe
Soil Well-draining soil mix, such as a sandy loam Well-draining soil, such as a sandy loam or a potting mix amended with perlite
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 15 minutes weekly 15 minutes weekly

🔬 Botanical Information — Comparing These Plants

Lion's Ear

Scientific Name Leonotis leonurus
Family Lamiaceae
Native To Southern Africa
Also Known As Lion's Ear, Lion's Tail, Wild Dagga
Leaves The leaves of Lion's Ear are lance-shaped, about 4-8 inches long, and have a slightly rough texture. They are typically a medium green color and are aromatic when crushed.
Flowers Lion's Ear produces distinctive, bright orange, tubular flowers arranged in tiered whorls along the stems. The flowers bloom from late summer to fall. It is unlikely to flower indoors without very high light levels.

Purple Fountain Grass

Scientific Name Pennisetum setaceum 'Rubrum'
Family Poaceae
Native To Hybrid cultivar; species native to Africa, Southwest Asia
Also Known As Purple Fountain Grass, Red Fountain Grass
Leaves The leaves are long, narrow, and arching, with a deep burgundy-purple color. They have a fine texture and create a graceful, flowing appearance.
Flowers It produces bottlebrush-like flower plumes that are initially a deep burgundy-purple, fading to a tan color as they mature. Flowering typically occurs in summer and fall. It is unlikely to flower indoors.

📏 Size & Growth — Plant Comparison

Lion's Ear

Height 1-2 meters (indoors, if attempted, likely smaller)
Spread 0.5-1 meter
Growth Rate Fast
Growth Pattern Lion's Ear grows as an upright, bushy shrub. It can reach a height of 3-6 feet and spreads to about 2-3 feet wide. The plant develops woody stems over time.

Purple Fountain Grass

Height Outdoor: 0.6-1.5 meters. Indoor (unlikely to thrive): 0.3-0.6 meters
Spread Outdoor: 0.6-1.2 meters. Indoor (unlikely to thrive): 0.3-0.6 meters
Growth Rate Moderate
Growth Pattern Grows in a mounded, upright form with arching foliage and flower plumes.

🌱 Propagation — Comparing Plant Growth

Lion's Ear

Methods: Stem cuttings, Seed

Difficulty: Easy

Tips: Take stem cuttings in spring or summer and root them in water or directly in soil. Seeds can be sown in spring after the last frost.

Purple Fountain Grass

Methods: Seed, Division

Difficulty: Moderate

Tips: Divide clumps in spring or early summer. Sow seeds indoors 6-8 weeks before the last frost.

✨ Benefits & Features — Comparing Plant Value

Lion's Ear

Lion's Ear is distinguished by its tiered whorls of bright orange, tubular flowers that resemble a lion's ear. It is also known for its drought tolerance and its ability to attract hummingbirds and butterflies. The plant's traditional medicinal uses further add to its unique appeal.

  • ✓ Attracts pollinators like hummingbirds and butterflies
  • ✓ Drought-tolerant, reducing water consumption
  • ✓ Provides a unique and visually striking aesthetic
  • ✓ Offers potential traditional medicinal benefits (use with caution and expert advice)
  • ✓ Adds a touch of the wild to your garden
  • ⚠️ Toxic to pets

Purple Fountain Grass

Its deep purple foliage and graceful, arching habit make it a standout in any garden. The bottlebrush-like flower plumes add further visual interest and movement.

  • ✓ Adds visual interest and texture to the garden
  • ✓ Attracts birds
  • ✓ Drought tolerant
  • ✓ Deer resistant
  • ✓ Provides movement in the landscape
  • 🐾 Pet Safe

📅 Maintenance Schedule — Plant Care Comparison

Lion's Ear

Repotting Repot every 1-2 years if grown in a container, or when the plant becomes root-bound.
Pruning Prune after flowering to maintain shape and encourage bushier growth.
Fertilizing Balanced liquid fertilizer diluted to half strength, every 4-6 weeks during the growing season (spring and summer)
Seasonal Care In winter, reduce watering and protect from frost. In summer, provide ample sunlight and water regularly.

Purple Fountain Grass

Repotting Not applicable as it is primarily an outdoor plant. If grown in a container, repot every 1-2 years in spring.
Pruning Cut back dead or damaged foliage as needed. Prune lightly in early spring to encourage new growth.
Fertilizing Balanced slow-release fertilizer in spring; liquid fertilizer diluted to half strength monthly during the growing season
Seasonal Care In colder climates, cut back foliage in late fall after it has turned brown. In warmer climates, prune lightly in early spring to remove dead or damaged growth. Reduce watering in winter.

🌞 Light Requirements

Lion's Ear

Full sun to partial shade

Low light tolerant: ❌ No

Purple Fountain Grass

Full sun (at least 6 hours of direct sunlight per day)

Low light tolerant: ❌ No

💧 Watering Needs

Lion's Ear

Water thoroughly when the top inch of soil is dry. Overwatering can lead to root rot, while underwatering will cause wilting and leaf drop. Ensure good drainage.

Purple Fountain Grass

Water deeply when the top inch of soil feels dry to the touch. Avoid overwatering, which can lead to root rot. Signs of underwatering include drooping or browning leaves. Signs of overwatering include yellowing leaves and soggy soil.

🌡️ Temperature & Humidity

Lion's Ear

Temperature: 18-27°C

Humidity: 40-60%

Purple Fountain Grass

Temperature: 18-30°C

Humidity: 20-50%

🤔 Which Plant Is Right For You?

Lion's Ear

Lion's Ear

Leonotis leonurus
Care: Expert Time: 15 minutes weekly Beginner: No

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

✅ Choose This Plant If...

  • You live in a warm climate with plenty of sunshine.
  • You want to attract hummingbirds and butterflies to your garden.
  • You are looking for a drought-tolerant plant.
  • You appreciate unique and showy flowers.
  • You have a large outdoor space for it to grow.

❌ Skip This Plant If...

  • You have pets that might ingest the plant.
  • You live in a cold climate with frequent frosts.
  • You don't have a sunny outdoor space.
  • You are looking for a low-maintenance indoor plant.
📍 Ideal Location: Sunny garden or patio
🎨 Style: Bohemian, Mediterranean, Naturalistic
🏠 Apartment Friendly: No
⚠️ According to the ASPCA, Leonotis leonurus contains compounds that are toxic to dogs, cats, and horses. Symptoms include vomiting, incoordination, and potentially hallucinations or altered behavior. All parts of the plant are considered toxic.
Purple Fountain Grass

Purple Fountain Grass

Pennisetum setaceum 'Rubrum'
Care: Expert Time: 15 minutes weekly Beginner: No

Gardeners looking for a dramatic ornamental grass to add color and texture to their landscape.

✅ Choose This Plant If...

  • You want a striking focal point in your garden.
  • You need a drought-tolerant plant for a sunny location.
  • You desire a plant with beautiful purple foliage and plumes.
  • You want to attract birds to your garden.
  • You need a deer-resistant plant.

❌ Skip This Plant If...

  • You live in a cold climate and don't want to treat it as an annual.
  • You don't have a sunny location.
  • You are looking for a low-maintenance indoor plant.
📍 Ideal Location: Outdoor garden, sunny border, container on a patio
🎨 Style: Modern, Mediterranean, Southwestern, Cottage
🏠 Apartment Friendly: No
⚠️ According to the ASPCA, Pennisetum species are generally considered non-toxic to dogs, cats, and horses.

🎯 Quick Verdict

Best for Beginners Neither ideal
Pet Friendly Purple Fountain Grass ✓
Less Maintenance Similar effort
Apartment Friendly Check space

⚡ Key Differences Between These Plants

☀️

Lion's Ear needs full sun to partial shade, while Purple Fountain Grass prefers full sun (at least 6 hours of direct sunlight per day).

📈

Lion's Ear has fast growth, while Purple Fountain Grass grows moderate.

💡 Pro Tips For Comparing These Plants

Lion's Ear Care Tips

Lion's Ear is primarily an outdoor plant and requires full sun to thrive. Growing it indoors is challenging due to its high light requirements. It needs well-draining soil and regular watering, but is relatively drought-tolerant once established. Due to its toxicity to pets, it's best to avoid growing it if you have animals that may ingest it.

  • Provide at least 6 hours of direct sunlight daily for optimal flowering.
  • Water deeply but infrequently, allowing the soil to dry out between waterings.
  • Prune after flowering to encourage bushier growth and more blooms.
  • Protect from frost in colder climates by mulching or moving indoors (if in a container).
  • Monitor for pests like aphids and spider mites and treat promptly.
❄️ Winter: In winter, reduce watering significantly. If grown in a container, move it to a sheltered location or indoors to protect it from frost. In colder climates, the plant may die back to the ground and re-emerge in spring.
☀️ Summer: In summer, provide ample sunlight and water regularly, especially during hot and dry periods. Mulch around the base of the plant to help retain moisture and suppress weeds.

Purple Fountain Grass Care Tips

Purple Fountain Grass is primarily an outdoor plant and will struggle indoors due to its high light requirements. It needs full sun and well-draining soil. While it can be grown in containers, it requires regular watering and fertilization. Overwintering indoors is possible in colder climates, but the plant may not thrive.

  • Plant in well-draining soil in a sunny location.
  • Water deeply but infrequently, allowing the soil to dry out between waterings.
  • Fertilize in spring with a balanced slow-release fertilizer.
  • Cut back foliage in late fall or early spring.
  • Protect from frost in colder climates.
❄️ Winter: In cold climates, cut back foliage after it turns brown. Reduce watering significantly. If overwintering indoors, provide as much light as possible and keep soil slightly moist.
☀️ Summer: Water more frequently during hot, dry weather. Fertilize monthly with a diluted liquid fertilizer to promote growth and flowering.

⚠️ Common Problems & Solutions — Plant Care Comparison

Lion's Ear

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

Purple Fountain Grass

Common Issues: Root rot, Aphids, Spider mites, Leaf spot
Solutions: Root rot: Ensure well-draining soil and avoid overwatering. Aphids: Spray with insecticidal soap. Spider mites: Increase humidity and treat with miticide. Leaf spot: Remove affected leaves and apply fungicide.

❓ Frequently Asked Questions — Comparing These Plants

Lion's Ear

What are the light requirements for Lion's Ear?

Lion’s Ear requires abundant sunlight to thrive and produce its vibrant blooms. Aim for at least six hours of direct sunlight per day. Indoors, place the plant near a south-facing window where it can receive maximum light exposure. If natural light is insufficient, supplement with grow lights. Insufficient light can result in leggy growth and reduced flowering. Rotate the plant regularly to ensure even light exposure on all sides. During the winter months, when sunlight is limited, consider using grow lights to maintain adequate light levels. Bright, indirect light is acceptable, but direct sunlight is preferred for optimal growth and flowering. Monitor the plant for signs of light stress, such as scorched leaves, and adjust placement accordingly.

How do I care for Lion's Ear?

Lion’s Ear thrives in well-draining soil and requires regular watering, especially during the growing season. Allow the top inch of soil to dry out before watering again. Provide ample sunlight, ideally at least six hours per day, for optimal flowering. Fertilize regularly with a balanced fertilizer during the growing season to encourage abundant blooms. Prune regularly to maintain shape and remove spent flowers. Protect from frost, as it is not cold-hardy. Ensure good air circulation to prevent fungal diseases. Repot annually in spring to refresh the soil. Monitor for pests and diseases, and treat promptly if necessary. Propagation is easily done through stem cuttings or seeds. Provide support if the plant becomes top-heavy. Ensure the plant has sufficient space to grow. Avoid overwatering, which can lead to root rot.

How do I propagate Lion's Ear?

Lion’s Ear 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 moist, well-draining soil. Keep the soil consistently moist and provide bright, indirect light. For division, carefully separate the root ball of a mature plant into smaller sections, ensuring each section has healthy roots and stems. Replant each section in its own pot. Seed propagation involves sowing seeds in well-draining soil and keeping them moist until germination. Provide adequate warmth and light for successful germination. Propagation is best done in spring or early summer.

Purple Fountain Grass

What are the light requirements for Purple Fountain Grass?

Purple Fountain Grass requires at least 6-8 hours of direct sunlight per day to thrive and develop its characteristic vibrant purple foliage and abundant flower plumes. Insufficient sunlight can lead to leggy growth, faded color, and reduced flowering. When planting, choose a location that receives full sun throughout the day. If growing in containers, rotate the plant regularly to ensure even sun exposure on all sides. In hotter climates, some afternoon shade may be beneficial to prevent scorching, but avoid placing it in deep shade, which will hinder its growth. Supplemental lighting may be necessary if grown indoors during winter months.

How do I care for Purple Fountain Grass?

Purple Fountain Grass thrives in full sun and well-draining soil. Water thoroughly when the top inch of soil feels dry, but avoid overwatering, which can lead to root rot. Fertilize monthly during the growing season (spring and summer) with a balanced fertilizer to promote healthy growth and vibrant blooms. Prune away dead or damaged foliage in late winter or early spring before new growth emerges. In colder climates, treat it as an annual or bring it indoors during the winter. Provide adequate air circulation to prevent fungal diseases. Regularly inspect for pests like aphids or spider mites, and treat accordingly. Avoid planting in overly compacted or poorly draining soil. Mulching around the base can help retain moisture and suppress weeds. Protect from strong winds.

How do I propagate Purple Fountain Grass?

Purple Fountain Grass can be propagated by division. In early spring, carefully dig up the plant and divide the root ball into smaller clumps, ensuring each clump has healthy roots and foliage. Replant the divisions in well-draining soil and water thoroughly. Keep the soil consistently moist until the new plants are established. Division is the most reliable method. Seed propagation is possible but can be inconsistent in producing plants true to the ‘Rubrum’ cultivar. Stem cuttings are not typically used for propagating this grass. Keikis are not applicable as this plant doesn’t produce them. Ensure good air circulation to prevent fungal diseases after dividing.

Last updated: May 4, 2026 — Plant care data reviewed and verified by our editorial team.