Lion's Ear vs Phacelia 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
Phacelia

Phacelia

Phacelia tanacetifolia

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
Phacelia

Phacelia

Phacelia tanacetifolia

Phacelia tanacetifolia is an annual herb known for its attractive, fern-like foliage and distinctive coiled inflorescences of lavender-blue to purple flowers. It typically grows to a height of 1 to 3 feet. Primarily an outdoor plant, it's widely cultivated as a cover crop, green manure, and bee forage due to its ability to attract pollinators, especially bees. Its rapid growth and nitrogen-fixing properties make it valuable in agricultural settings. While aesthetically pleasing, it's not commonly grown indoors due to its need for full sun and open space.

Boraginaceae California and Baja California, Mexico
✨ Features: Attracts pollinators, improves soil health, nitrogen-fixing properties
📖 Read Complete Phacelia Guide

Quick Plant Comparison

Feature Lion's Ear Phacelia
Light Full sun to partial shade Full sun (at least 6-8 hours of direct sunlight daily)
Watering Every 1-2 weeks, depending on weather and soil drainage Every 1-2 weeks, depending on weather and soil drainage
Humidity 40-60% 30-50%
Temperature 18-27°C 15-25°C
Care Level Expert Expert
Growth Rate Fast Fast
Max Height 1-2 meters (indoors, if attempted, likely smaller) N/A (Outdoor plant, not suitable for indoor growing)
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining soil mix, such as a sandy loam Well-draining soil; sandy or loamy soil is ideal
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 15 minutes weekly 5-10 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.

Phacelia

Scientific Name Phacelia tanacetifolia
Family Boraginaceae
Native To California and Baja California, Mexico
Also Known As Fiddleneck, Tansyleaf Phacelia, Bee Phacelia, Lacy Phacelia
Leaves The leaves of Phacelia tanacetifolia are deeply divided and fern-like, resembling those of tansy (Tanacetum vulgare). They are typically green to grayish-green in color and have a slightly hairy texture. The leaves are arranged alternately along the stems.
Flowers Phacelia tanacetifolia produces clusters of small, lavender-blue to purple flowers arranged in a distinctive coiled inflorescence, resembling a fiddlehead. While it can technically flower indoors under extremely high light conditions, it is very unlikely and not recommended. Flowering is profuse outdoors during its growing season.

📏 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.

Phacelia

Height N/A (Outdoor plant, not suitable for indoor growing)
Spread N/A (Outdoor plant, not suitable for indoor growing)
Growth Rate Fast
Growth Pattern Phacelia tanacetifolia exhibits an upright growth pattern, typically reaching a height of 1 to 3 feet. It forms a bushy, somewhat sprawling habit with fern-like foliage and coiled flower clusters at the tips of its stems.

🌱 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.

Phacelia

Methods: Seed

Difficulty: Easy

Tips: Sow seeds directly into the soil in spring or fall. Lightly cover the seeds with soil and keep them moist until germination.

✨ 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

Phacelia

The distinctive coiled inflorescences of Phacelia tanacetifolia are a unique feature that sets it apart from other flowering plants. Its ability to attract a wide range of pollinators makes it a valuable addition to any garden or agricultural setting. It is also a nitrogen fixer.

  • ✓ Attracts beneficial insects
  • ✓ Improves soil structure
  • ✓ Suppresses weeds
  • ✓ Provides nectar for pollinators
  • ✓ Adds beauty to the garden
  • ⚠️ Toxic to pets

📅 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.

Phacelia

Repotting N/A (Outdoor annual plant)
Pruning Deadheading spent flowers can encourage further blooming.
Fertilizing Balanced fertilizer (10-10-10) at half strength, applied once or twice during the growing season
Seasonal Care In spring and summer, ensure adequate sunlight and water. In fall, allow seeds to mature for self-seeding or collect them for propagation. In winter, the plant typically dies back.

🌞 Light Requirements

Lion's Ear

Full sun to partial shade

Low light tolerant: ❌ No

Phacelia

Full sun (at least 6-8 hours of direct sunlight daily)

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.

Phacelia

Water deeply when the top inch of soil is dry. Avoid overwatering, which can lead to root rot. Signs of underwatering include wilting and dry, crispy leaves. Overwatering can cause yellowing leaves and a soggy soil.

🌡️ Temperature & Humidity

Lion's Ear

Temperature: 18-27°C

Humidity: 40-60%

Phacelia

Temperature: 15-25°C

Humidity: 30-50%

🤔 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.
Phacelia

Phacelia

Phacelia tanacetifolia
Care: Expert Time: 5-10 minutes weekly Beginner: No

Gardeners looking for a beneficial cover crop, green manure, or a plant to attract pollinators in their outdoor garden.

✅ Choose This Plant If...

  • You want to attract pollinators to your garden.
  • You need a quick-growing cover crop.
  • You want to improve soil health through green manure.
  • You need a plant to suppress weeds naturally.
  • You appreciate the beauty of its unique coiled flower clusters.

❌ Skip This Plant If...

  • You have limited outdoor space.
  • You are looking for an indoor plant.
  • You have pets that might ingest it.
  • You dislike plants that attract bees.
📍 Ideal Location: Outdoor garden, field, or meadow with full sun exposure
🎨 Style: Wildflower, Cottage Garden, Naturalistic
🏠 Apartment Friendly: No
⚠️ The ASPCA lists Phacelia as toxic to horses, causing skin irritation. While specific compounds are not detailed, ingestion or contact can cause dermatitis and allergic reactions. It's best to keep pets away from this plant.

🎯 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 Ear needs full sun to partial shade, while Phacelia prefers full sun (at least 6-8 hours of direct sunlight daily).

💡 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.

Phacelia Care Tips

Phacelia tanacetifolia is primarily an outdoor plant. Attempting to grow it indoors is challenging due to its high light requirements and need for ample space. It requires full sun, well-draining soil, and careful watering to thrive. Indoor growth is unlikely to be successful.

  • Sow seeds directly into the soil in early spring or fall.
  • Ensure the soil is well-draining to prevent root rot.
  • Provide full sun for optimal growth and flowering.
  • Water regularly, especially during dry periods.
  • Deadhead spent flowers to encourage more blooms.
❄️ Winter: As an annual plant, Phacelia tanacetifolia typically dies back in winter. Allow the plant to dry and scatter its seeds for the next growing season. No specific winter care is required.
☀️ Summer: Ensure adequate watering during hot summer months. Provide full sun exposure for optimal growth and flowering. Monitor for pests and diseases and treat accordingly.

⚠️ 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.

Phacelia

Common Issues: Powdery mildew, aphids, root rot
Solutions: Powdery mildew: Improve air circulation and apply a fungicide. Aphids: Spray with insecticidal soap. Root rot: Ensure well-draining soil and avoid overwatering.

❓ 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.

Phacelia

What are the light requirements for Phacelia?

Phacelia thrives in full sun, requiring at least 6 hours of direct sunlight per day for optimal growth and flowering. In hotter climates, partial shade during the hottest part of the afternoon can prevent scorching. Insufficient light can lead to leggy growth and reduced blooming. When growing Phacelia indoors, place it near a south-facing window or use grow lights to supplement natural light. Rotate the plant regularly to ensure even light exposure on all sides. Monitor the plant for signs of light stress, such as pale leaves or stunted growth.

How do I care for Phacelia?

Phacelia requires well-draining soil and thrives in full sun to partial shade. Water regularly, especially during dry periods, but avoid overwatering to prevent root rot. Fertilize with a balanced fertilizer every 4-6 weeks during the growing season to promote healthy growth and abundant blooms. Deadhead spent flowers to encourage continuous blooming. Phacelia can tolerate a range of temperatures, but it prefers cooler conditions. Protect from frost in colder climates. Regularly monitor for pests and diseases and treat as needed. Provide support for taller varieties to prevent them from flopping over. Ensure good air circulation to minimize fungal diseases.

How do I propagate Phacelia?

Phacelia is primarily propagated by seed. Collect seeds from dried flower heads or purchase seeds from a reputable source. Sow seeds directly into the garden in spring or fall. Alternatively, start seeds indoors 6-8 weeks before the last frost. Keep the soil consistently moist but not soggy. Once seedlings emerge, thin them to the desired spacing. Phacelia can also self-seed readily if allowed. While division and cuttings are not common methods for Phacelia, seed propagation is the most reliable. Ensure well-draining soil and adequate sunlight for successful germination and growth. Regular watering and fertilization will promote healthy development.

Last updated: April 30, 2026 — Plant care data reviewed and verified by our editorial team.