Larkspur Delphinium vs Lion's Tail Plant Comparison
Compare these two plants side by side — care needs, key differences, and which is right for your home.
Larkspur Delphinium
Delphinium spp.
Larkspurs are annual or perennial herbaceous plants known for their tall, elegant flower spikes. They typically grow to heights of 1 to 6 feet, depending on the species and cultivar. The flowers come in a wide range of colors, including blue, purple, pink, white, and yellow. Larkspurs are primarily outdoor plants, prized for their striking vertical presence in gardens and borders. They are grown for their beautiful, showy flowers that attract pollinators.
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.
Quick Plant Comparison
| Feature | Larkspur Delphinium | Lion's Tail |
|---|---|---|
| Light | Full sun | Full sun to partial shade |
| Watering | Every 3-7 days, depending on weather and soil drainage | Every 7-14 days, depending on weather and soil drainage |
| Humidity | 30-50% | 40-60% |
| Temperature | 15-24°C | 18-27°C |
| Care Level | Expert | Expert |
| Growth Rate | Moderate | Fast |
| Max Height | Rarely grown indoors, outdoor height 0.3-1.8 meters | 1-2 meters (indoors, if grown) |
| Pet Safety | ❌ Toxic To Pets | ❌ Toxic To Pets |
| Soil | Well-draining, fertile soil with a slightly acidic to neutral pH (6.0-7.0) | Well-draining soil, such as a mix of potting soil, perlite, and sand |
| Beginner Friendly | ❌ No | ❌ No |
| Weekly Maintenance | 30 minutes weekly (weeding, watering, deadheading) | 30 minutes weekly (including watering, pruning, and pest control) |
🔬 Botanical Information — Comparing These Plants
Larkspur Delphinium
| Scientific Name | Delphinium spp. |
|---|---|
| Family | Ranunculaceae |
| Native To | Primarily Northern Hemisphere, including Europe, Asia, and North America |
| Also Known As | Larkspur, Delphinium |
| Leaves | The leaves are deeply lobed and finely divided, giving them a delicate, fern-like appearance. They are typically green or bluish-green in color and arranged alternately along the stem. |
| Flowers | Rarely flowers indoors. Outdoors, they produce tall spikes of spurred flowers in shades of blue, purple, pink, white, and yellow. The flowers bloom in summer. |
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
Larkspur Delphinium
Lion's Tail
🌱 Propagation — Comparing Plant Growth
Larkspur Delphinium
Methods: Seed, Division
Difficulty: Moderate
Tips: For seeds, cold stratification is often required. Divide established plants in early 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
Larkspur Delphinium
Larkspurs are known for their tall, elegant flower spikes and vibrant colors. They are a classic cottage garden flower and a favorite of pollinators. Their toxicity makes them unsuitable for homes with pets or small children.
- ✓ Attracts pollinators to your garden.
- ✓ Adds vertical interest and vibrant colors to outdoor spaces.
- ✓ Provides cut flowers for bouquets.
- ✓ Can be used to create a classic cottage garden aesthetic.
- ✓ Offers a sense of accomplishment for experienced gardeners.
- ⚠️ 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
Larkspur Delphinium
Lion's Tail
🌞 Light Requirements
Larkspur Delphinium
Full sun
Low light tolerant: ❌ No
Lion's Tail
Full sun to partial shade
Low light tolerant: ❌ No
💧 Watering Needs
Larkspur Delphinium
Water deeply when the top inch of soil feels dry. Avoid overhead watering to prevent fungal diseases. Overwatering can lead to root rot, indicated by yellowing leaves and wilting. Underwatering results in dry, crispy leaves and stunted growth.
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
Larkspur Delphinium
Temperature: 15-24°C
Humidity: 30-50%
Lion's Tail
Temperature: 18-27°C
Humidity: 40-60%
🤔 Which Plant Is Right For You?
Larkspur Delphinium
Delphinium spp.Experienced gardeners looking to add vertical interest and vibrant colors to their outdoor flower beds.
✅ Choose This Plant If...
- You want tall, vibrant flowers in your garden.
- You want to attract pollinators to your yard.
- You have a sunny garden spot that needs a vertical accent.
- You enjoy the challenge of growing somewhat finicky plants.
- You appreciate classic cottage garden flowers.
❌ Skip This Plant If...
- You have pets or small children who might ingest the plant.
- You lack a sunny outdoor garden space.
- You are a beginner gardener looking for easy-to-grow plants.
Lion's Tail
Leonotis leonurusGardeners 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.
🎯 Quick Verdict
⚡ Key Differences Between These Plants
Larkspur Delphinium needs full sun, while Lion's Tail prefers full sun to partial shade.
Larkspur Delphinium has moderate growth, while Lion's Tail grows fast.
💡 Pro Tips For Comparing These Plants
Larkspur Delphinium Care Tips
Larkspurs are challenging to grow indoors due to their high light requirements and need for cool temperatures. They are best suited for outdoor gardens. Indoor attempts often result in weak, leggy growth and failure to flower. Proper drainage is crucial.
- Provide support for tall varieties to prevent them from falling over.
- Ensure well-draining soil to prevent root rot.
- Deadhead spent flowers regularly to encourage more blooms.
- Protect from strong winds that can damage the flower spikes.
- Monitor for pests and diseases and treat promptly.
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.
⚠️ Common Problems & Solutions — Plant Care Comparison
Larkspur Delphinium
Lion's Tail
❓ Frequently Asked Questions — Comparing These Plants
Larkspur Delphinium
What are the light requirements for Larkspur Delphinium?
Larkspur Delphiniums thrive in full sun, needing a minimum of six hours of direct sunlight each day to produce abundant blooms. Insufficient light can lead to leggy growth, weak stems, and reduced flowering. When planting, choose a location that receives morning sun, which helps to dry the foliage and prevent fungal diseases.
How do I care for Larkspur Delphinium?
Larkspur Delphiniums need well-draining soil enriched with organic matter. Plant in a location with full sun, providing at least six hours of direct sunlight daily. Water deeply when the top inch of soil feels dry, but avoid overwatering. Fertilize regularly during the growing season with a balanced fertilizer, switching to a fertilizer higher in phosphorus to promote blooming.
How do I propagate Larkspur Delphinium?
Larkspur Delphiniums can be propagated by division, stem cuttings, or seed. Division is best done in spring or fall by carefully separating the root ball and replanting the divisions. For stem cuttings, take 4-6 inch cuttings from new growth in spring, remove the lower leaves, and plant in a well-draining rooting medium. Keep the cuttings moist and in a humid environment until rooted.
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: April 30, 2026 — Plant care data reviewed and verified by our editorial team.