Larkspur Delphinium vs Pittosporum 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.
Pittosporum
Pittosporum spp.
Pittosporum is a genus of evergreen shrubs and trees known for their glossy, leathery leaves and often fragrant flowers. They range in size from small shrubs to medium-sized trees, depending on the species. Pittosporums are primarily grown outdoors for their attractive foliage, which can be green, variegated, or even purple. Their dense growth habit makes them popular for hedging, screening, and ornamental landscaping. While some species can tolerate indoor conditions for a short period, they generally thrive outdoors with ample sunlight and air circulation. The appeal lies in their versatility and relatively low maintenance when planted in suitable climates.
Quick Plant Comparison
| Feature | Larkspur Delphinium | Pittosporum |
|---|---|---|
| Light | Full sun | Full sun to partial shade. Requires at least 6 hours of direct sunlight outdoors. Indoors, a south-facing window is necessary but often insufficient. |
| Watering | Every 3-7 days, depending on weather and soil drainage | Outdoors: Every 1-2 weeks, depending on weather. Indoors: Every 10-14 days, but monitor soil moisture closely. |
| Humidity | 30-50% | 30-50% |
| Temperature | 15-24°C | 15-24°C |
| Care Level | Expert | Expert |
| Growth Rate | Moderate | Moderate |
| Max Height | Rarely grown indoors, outdoor height 0.3-1.8 meters | Outdoors: Up to 10 meters. Indoors: Rarely exceeds 2 meters and is unlikely to thrive long-term. |
| 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 mix. A blend of potting mix, perlite, and sand is suitable. |
| Beginner Friendly | ❌ No | ❌ No |
| Weekly Maintenance | 30 minutes weekly (weeding, watering, deadheading) | 30 minutes monthly (pruning, fertilizing, 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. |
Pittosporum
| Scientific Name | Pittosporum spp. |
|---|---|
| Family | Pittosporaceae |
| Native To | Australia, New Zealand, East Asia, and parts of Africa |
| Also Known As | Pittosporum, Cheesewood, Japanese Pittosporum, Mock Orange |
| Leaves | The leaves are typically oval or lance-shaped, with a glossy, leathery texture. They range in color from light green to dark green, and some varieties have variegated foliage with cream or yellow margins. Leaf size varies depending on the species, but they are generally 5-10 cm long. |
| Flowers | Pittosporum produces small, fragrant flowers, typically in spring or early summer. The flowers are often white or cream-colored and may be followed by small, round fruits. Flowering is rare indoors. |
📏 Size & Growth — Plant Comparison
Larkspur Delphinium
Pittosporum
🌱 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.
Pittosporum
Methods: Stem cuttings, Seed
Difficulty: Moderate
Tips: Take semi-hardwood cuttings in late spring or early summer. Dip the cut end in rooting hormone and plant in a well-draining potting mix. Keep the soil moist and provide humidity.
✨ 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
Pittosporum
Pittosporum's unique characteristic is its glossy, evergreen foliage, which provides year-round visual interest. Some species also offer fragrant flowers, adding to their appeal. The plant's adaptability to pruning makes it ideal for shaping into hedges or topiaries.
- ✓ Provides privacy with dense foliage.
- ✓ Adds visual interest with glossy leaves and fragrant flowers.
- ✓ Requires minimal watering once established.
- ✓ Attracts pollinators to the garden.
- ✓ Offers a versatile landscaping option for hedging, screening, or specimen planting.
- ⚠️ Toxic to pets
📅 Maintenance Schedule — Plant Care Comparison
Larkspur Delphinium
Pittosporum
🌞 Light Requirements
Larkspur Delphinium
Full sun
Low light tolerant: ❌ No
Pittosporum
Full sun to partial shade. Requires at least 6 hours of direct sunlight outdoors. Indoors, a south-facing window is necessary but often insufficient.
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.
Pittosporum
Water thoroughly when the top inch of soil is dry. Overwatering can lead to root rot, while underwatering causes leaf drop. Ensure good drainage.
🌡️ Temperature & Humidity
Larkspur Delphinium
Temperature: 15-24°C
Humidity: 30-50%
Pittosporum
Temperature: 15-24°C
Humidity: 30-50%
🤔 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.
Pittosporum
Pittosporum spp.Gardeners in mild climates looking for an attractive and versatile evergreen shrub for hedging or screening.
✅ Choose This Plant If...
- You live in a mild climate with plenty of sunshine.
- You need a plant for hedging or screening in your garden.
- You appreciate fragrant flowers.
- You want a relatively low-maintenance evergreen shrub.
- You have experience with outdoor gardening and pest control.
❌ Skip This Plant If...
- You live in a cold climate with harsh winters.
- You are looking for an easy-to-grow indoor plant.
- You have pets that might ingest the plant.
- You don't have a sunny outdoor space.
- You dislike pruning and shaping plants.
🎯 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.
Pittosporum Care Tips
Pittosporums are primarily outdoor plants that struggle indoors due to high light requirements and the need for good air circulation. Maintaining adequate light and preventing pests are the biggest challenges. It's best suited for outdoor landscaping.
- Plant in well-draining soil to prevent root rot.
- Provide ample sunlight for optimal growth and flowering.
- Prune regularly to maintain shape and size.
- Protect from frost in colder climates.
- Monitor for pests and diseases and treat promptly.
⚠️ Common Problems & Solutions — Plant Care Comparison
Larkspur Delphinium
Pittosporum
❓ 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.
Pittosporum
What are the light requirements for Pittosporum?
Pittosporum thrives in bright, indirect light. Insufficient light can lead to leggy growth and reduced foliage density. An east-facing window is often ideal, providing gentle morning sun. A south-facing window can also work, but be sure to filter the light with a sheer curtain to prevent leaf scorch. North-facing windows may not provide enough light, especially during the darker months. Rotate the plant regularly to ensure even light exposure on all sides. If natural light is inadequate, supplement with artificial grow lights. Place the grow lights 12-18 inches above the plant. Observe the plant for signs of light stress, such as pale leaves or stunted growth, and adjust its location accordingly.
How do I care for Pittosporum?
Pittosporum prefers bright, indirect light. Avoid direct sunlight, which can scorch the leaves. Water thoroughly when the top inch of soil feels dry to the touch, ensuring good drainage to prevent root rot. Use a well-draining potting mix. Maintain moderate humidity levels, especially during dry indoor conditions. Fertilize every 2-4 weeks during the growing season (spring and summer) with a balanced liquid fertilizer diluted to half strength. Prune regularly to maintain shape and encourage bushier growth. Repot every 1-2 years, or when the plant becomes root-bound, into a slightly larger pot. Monitor for pests such as aphids and spider mites, and treat promptly if detected. Provide stable temperatures, avoiding sudden fluctuations or drafts. Ensure proper air circulation around the plant. Wipe the leaves occasionally to remove dust and maintain their shine.
How do I propagate Pittosporum?
Pittosporum can be propagated through stem cuttings or air layering. 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 a well-draining potting mix and keep it moist. Cover with a plastic bag or humidity dome to maintain humidity. Roots should develop in 4-6 weeks. For air layering, make a small cut on a healthy stem and wrap it with moist sphagnum moss. Cover the moss with plastic wrap and secure it with tape. Keep the moss moist. Roots should develop in a few weeks. Once roots are visible, cut the stem below the rooted area and plant it in a pot. Ensure the pot is the correct size and the plant is secured.
Last updated: May 19, 2026 — Plant care data reviewed and verified by our editorial team.