Larkspur Delphinium vs Manila Palm 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.
Manila Palm
Adonidia merrillii
The Manila Palm, *Adonidia merrillii*, is a single-trunked palm tree known for its compact size and ornamental appeal. It typically grows to a height of 15-25 feet outdoors. Its smooth, gray trunk is topped with a crown of arching, feathery green leaves. It is primarily an outdoor plant in tropical and subtropical climates, prized for its relatively small size and showy clusters of bright red fruits that appear around Christmas time, hence the common name 'Christmas Palm'. While sometimes grown indoors, it requires very bright light and high humidity to thrive, making it a challenging houseplant.
Quick Plant Comparison
| Feature | Larkspur Delphinium | Manila Palm |
|---|---|---|
| Light | Full sun | Full sun to partial shade outdoors; very bright, direct light indoors (at least 6 hours daily) |
| Watering | Every 3-7 days, depending on weather and soil drainage | Every 7-10 days during the growing season; every 2-3 weeks in winter |
| Humidity | 30-50% | 50-70% |
| Temperature | 15-24°C | 21-27°C |
| Care Level | Expert | Expert |
| Growth Rate | Moderate | Moderate |
| Max Height | Rarely grown indoors, outdoor height 0.3-1.8 meters | 1.8-2.4 meters (6-8 feet) indoors, significantly larger outdoors |
| Pet Safety | ❌ Toxic To Pets | ✅ Safe |
| Soil | Well-draining, fertile soil with a slightly acidic to neutral pH (6.0-7.0) | Well-draining, sandy loam soil |
| Beginner Friendly | ❌ No | ❌ No |
| Weekly Maintenance | 30 minutes weekly (weeding, watering, deadheading) | 15 minutes weekly (outdoors); 30 minutes weekly (indoors due to increased monitoring) |
🔬 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. |
Manila Palm
| Scientific Name | Adonidia merrillii |
|---|---|
| Family | Arecaceae |
| Native To | Philippines |
| Also Known As | Manila Palm, Christmas Palm, Dwarf Royal Palm |
| Leaves | Pinnately compound leaves, meaning they are feather-like with leaflets arranged on either side of a central stalk. The leaflets are lance-shaped, glossy green, and slightly arching. The overall leaf length can reach 1.2-1.8 meters (4-6 feet). |
| Flowers | Small, creamy-white flowers are produced in clusters beneath the leaves. Flowering typically occurs in spring and summer. While it can flower indoors under optimal conditions, it is less common than when grown outdoors. |
📏 Size & Growth — Plant Comparison
Larkspur Delphinium
Manila Palm
🌱 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.
Manila Palm
Methods: Seed
Difficulty: Moderate
Tips: Soak seeds in warm water for 24 hours before planting in a well-draining seed-starting mix. Maintain consistent moisture and warmth (around 27-30°C). Germination can be slow and erratic.
✨ 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
Manila Palm
The Manila Palm is unique for its relatively small size compared to other palm trees, making it suitable for smaller gardens. Its bright red fruits that appear around Christmas time are also a distinctive feature. It is also known for its smooth, gray trunk.
- ✓ Adds a tropical aesthetic to any space.
- ✓ Provides a focal point in a garden or room.
- ✓ Relatively low maintenance once established outdoors.
- ✓ Offers visual interest with its feathery leaves and bright red fruits.
- ✓ Can improve indoor air quality to a small extent.
- 🐾 Pet Safe
📅 Maintenance Schedule — Plant Care Comparison
Larkspur Delphinium
Manila Palm
🌞 Light Requirements
Larkspur Delphinium
Full sun
Low light tolerant: ❌ No
Manila Palm
Full sun to partial shade outdoors; very bright, direct light indoors (at least 6 hours daily)
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.
Manila Palm
Water thoroughly when the top inch of soil is dry. Overwatering can lead to root rot, so ensure good drainage. Reduce watering in the winter months. Signs of underwatering include drooping leaves and dry soil. Signs of overwatering include yellowing leaves and soggy soil.
🌡️ Temperature & Humidity
Larkspur Delphinium
Temperature: 15-24°C
Humidity: 30-50%
Manila Palm
Temperature: 21-27°C
Humidity: 50-70%
🤔 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.
Manila Palm
Adonidia merrilliiExperienced plant enthusiasts in warm climates who can provide ample sunlight and humidity.
✅ Choose This Plant If...
- You live in a warm climate with plenty of sunlight.
- You want a relatively small palm tree for your garden.
- You appreciate the festive red fruits during the Christmas season.
- You are an experienced plant owner looking for a challenge.
- You have a very bright, sunny indoor space with high humidity.
❌ Skip This Plant If...
- You live in a cold climate with long winters.
- You have limited sunlight indoors.
- You are a beginner plant owner.
- You cannot provide high humidity.
- You don't have space for a tree that will eventually grow to a significant size.
🎯 Quick Verdict
⚡ 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
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.
Manila Palm Care Tips
The Manila Palm is relatively easy to care for outdoors in suitable climates. However, it's challenging indoors due to its high light and humidity requirements. Providing adequate light is crucial for its survival and growth indoors. Regular fertilization and proper watering are also essential.
- Provide ample sunlight, especially when grown indoors.
- Maintain high humidity levels, misting regularly or using a humidifier.
- Water thoroughly when the top inch of soil is dry, but avoid overwatering.
- Fertilize regularly during the growing season with a balanced fertilizer.
- Protect from frost and freezing temperatures.
⚠️ Common Problems & Solutions — Plant Care Comparison
Larkspur Delphinium
Manila Palm
❓ 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.
Manila Palm
What are the light requirements for Manila Palm?
Manila Palms require bright, indirect light to thrive. Direct sunlight can scorch their leaves, so avoid placing them in areas with intense, direct sun exposure, especially during the hottest part of the day. An east-facing or west-facing window is ideal, providing ample light without the risk of sunburn. If you only have a south-facing window, filter the light with a sheer curtain. Insufficient light can lead to stunted growth and yellowing leaves. Rotate the plant regularly to ensure even light exposure on all sides. If natural light is limited, consider using a grow light to supplement.
How do I care for Manila Palm?
Manila Palms thrive in bright, indirect light, requiring at least 6 hours daily. Water thoroughly when the top inch of soil feels dry to the touch, ensuring proper drainage to prevent root rot. Maintain high humidity levels, ideally above 50%, by misting regularly or using a humidifier. Fertilize monthly during the growing season (spring and summer) with a balanced liquid fertilizer diluted to half strength. Repot every 2-3 years, or when the plant becomes root-bound, using a well-draining potting mix. Prune away any dead or yellowing fronds to maintain the plant’s appearance and health. Protect from drafts and sudden temperature changes. Regularly check for pests like spider mites and treat promptly if found.
How do I propagate Manila Palm?
Manila Palms are typically propagated by seeds. Soak the seeds in warm water for 24 hours before planting. Sow the seeds in a well-draining potting mix and keep them consistently moist. Germination can take several months. For clumping varieties, division is possible, carefully separate the clumps at the rootball, ensuring each division has healthy roots and foliage. Plant each division in its own pot with well-draining soil. Provide warmth and humidity to encourage root development. Keep the newly propagated plants in a bright, indirect light location and water regularly. Be patient, as establishment can be slow.
Last updated: May 12, 2026 — Plant care data reviewed and verified by our editorial team.