Canna Lily vs New Zealand Tea Tree Plant Comparison

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

Canna Lily

Canna Lily

Canna indica

VS
New Zealand Tea Tree

New Zealand Tea Tree

Leptospermum scoparium

Canna Lily

Canna Lily

Canna indica

Canna indica, commonly known as Canna lily, is a rhizomatous perennial with large, paddle-shaped leaves and showy flowers. It's primarily grown outdoors for its tropical appearance and vibrant blooms, which come in various colors like red, orange, yellow, and pink. The plant grows from rhizomes, spreading readily in suitable conditions. While it can be grown indoors, it requires very bright light and ample space to thrive, making it more challenging than typical houseplants. People grow them for their bold foliage and exotic-looking flowers.

Cannaceae South America
✨ Features: Showy flowers, bold foliage, attracts pollinators.
📖 Read Complete Canna Lily Guide
New Zealand Tea Tree

New Zealand Tea Tree

Leptospermum scoparium

Leptospermum scoparium, commonly known as New Zealand Tea Tree or Manuka, is a shrub or small tree typically growing to 2-5 meters in height, though it can reach up to 15 meters in ideal conditions. It features small, needle-like leaves and profuse, showy flowers in shades of white, pink, or red. While highly prized for its ornamental value and honey production outdoors, it is challenging to maintain indoors due to its high light requirements and need for well-draining soil. People grow it for its attractive flowers, fragrant foliage, and the medicinal properties of Manuka honey derived from its nectar.

Myrtaceae New Zealand and southeastern Australia
✨ Features: Fragrant foliage, attractive flowers, source of Manuka honey.
📖 Read Complete New Zealand Tea Tree Guide

Quick Plant Comparison

Feature Canna Lily New Zealand Tea Tree
Light Full sun to partial shade. Requires at least 6 hours of direct sunlight daily for optimal flowering. Full sun to partial shade; requires at least 6 hours of direct sunlight daily.
Watering Every 2-5 days during growing season, less frequently in winter Every 1-2 weeks, depending on environmental conditions and pot size.
Humidity 40-60% 30-50%
Temperature 18-27°C 15-25°C
Care Level Expert Expert
Growth Rate Fast Moderate
Max Height 0.6-1.5 meters (indoors, typically smaller) 1-2 meters (indoors, if successfully grown)
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining, fertile soil rich in organic matter. A mix of potting soil, compost, and perlite is suitable. Well-draining, slightly acidic soil mix (e.g., a mix of potting soil, perlite, and sand).
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 30 minutes weekly 30 minutes weekly

🔬 Botanical Information — Comparing These Plants

Canna Lily

Scientific Name Canna indica
Family Cannaceae
Native To South America
Also Known As Canna lily, Indian shot, Achira, Queensland arrowroot
Leaves Large, paddle-shaped leaves, typically 30-60 cm long and 10-20 cm wide. The leaves are usually green, but some cultivars have bronze or variegated foliage. The texture is smooth and slightly waxy.
Flowers Canna lilies rarely flower indoors due to insufficient light. Outdoors, they produce showy, asymmetrical flowers in shades of red, orange, yellow, pink, or bi-color combinations. The flowers are borne on tall stalks above the foliage.

New Zealand Tea Tree

Scientific Name Leptospermum scoparium
Family Myrtaceae
Native To New Zealand and southeastern Australia
Also Known As New Zealand Tea Tree, Manuka, Broom Tea-tree
Leaves The leaves are small, needle-like, and aromatic. They are typically green but can have reddish hues in some varieties. The leaves are arranged alternately along the stems.
Flowers It produces abundant, showy flowers in spring and summer. The flowers are typically white, pink, or red, depending on the variety. It is unlikely to flower indoors unless provided with very bright light and optimal conditions.

📏 Size & Growth — Plant Comparison

Canna Lily

Height 0.6-1.5 meters (indoors, typically smaller)
Spread 0.3-0.6 meters (spreads via rhizomes)
Growth Rate Fast
Growth Pattern Upright, clumping growth habit. It grows from rhizomes, which spread horizontally underground, producing new shoots and plants. The plant forms dense clumps of foliage and flowering stalks.

New Zealand Tea Tree

Height 1-2 meters (indoors, if successfully grown)
Spread 0.5-1 meter (indoors, if successfully grown)
Growth Rate Moderate
Growth Pattern It grows as a shrub or small tree with an upright, bushy habit. It can be pruned to maintain a desired shape and size.

🌱 Propagation — Comparing Plant Growth

Canna Lily

Methods: Rhizome division, Seed

Difficulty: Easy

Tips: Divide rhizomes in early spring before new growth begins. Ensure each division has at least one eye (bud). Plant divisions in well-draining soil and keep moist until established. Seeds require scarification and soaking before planting.

New Zealand Tea Tree

Methods: Stem cuttings, Seed

Difficulty: Moderate

Tips: Take semi-hardwood cuttings in late summer or early autumn. Dip the cut end in rooting hormone and plant in a well-draining potting mix. Keep the cuttings moist and in a warm, bright location until roots develop.

✨ Benefits & Features — Comparing Plant Value

Canna Lily

Canna lilies are known for their bold, tropical foliage and vibrant, showy flowers, making them a standout in any garden. Their rhizomatous growth habit allows them to spread readily, creating a lush, dense display. The seeds are unusually hard and were historically used as beads.

  • ✓ Adds a tropical flair to your garden or outdoor space.
  • ✓ Provides vibrant, colorful blooms that attract pollinators.
  • ✓ Offers a bold statement with its large, paddle-shaped leaves.
  • ✓ Can be used as a privacy screen or backdrop in landscaping.
  • ✓ Provides a sense of accomplishment for experienced gardeners who can successfully cultivate it.
  • ⚠️ Toxic to pets

New Zealand Tea Tree

Leptospermum scoparium is known for its fragrant foliage and showy flowers, which attract bees and other pollinators. The Manuka honey produced from its nectar is highly valued for its medicinal properties.

  • ✓ Aesthetically pleasing with its flowers and foliage.
  • ✓ Fragrant leaves provide a pleasant scent.
  • ✓ Attracts pollinators when grown outdoors.
  • ✓ Can be used to make tea.
  • ✓ Provides a natural screen or hedge when grown outdoors.
  • ⚠️ Toxic to pets

📅 Maintenance Schedule — Plant Care Comparison

Canna Lily

Repotting Annually in spring, especially if grown in containers. Divide rhizomes if the plant becomes overcrowded.
Pruning Remove spent flower stalks and yellowing leaves to encourage new growth and maintain appearance.
Fertilizing Balanced liquid fertilizer (10-10-10) diluted to half strength, every 2-4 weeks during the growing season.
Seasonal Care In winter, cut back foliage after it yellows and store rhizomes in a cool, dry place. In spring, replant rhizomes in fresh soil. Increase watering and fertilization during the growing season (spring and summer).

New Zealand Tea Tree

Repotting Repot every 2-3 years, 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, applied monthly during the growing season (spring and summer).
Seasonal Care In winter, reduce watering and provide protection from frost if grown outdoors. In summer, ensure adequate sunlight and water regularly.

🌞 Light Requirements

Canna Lily

Full sun to partial shade. Requires at least 6 hours of direct sunlight daily for optimal flowering.

Low light tolerant: ❌ No

New Zealand Tea Tree

Full sun to partial shade; requires at least 6 hours of direct sunlight daily.

Low light tolerant: ❌ No

💧 Watering Needs

Canna Lily

Water deeply when the top inch of soil feels dry. Avoid overwatering, which can lead to rhizome rot. During the growing season, water more frequently. Reduce watering in the winter when the plant is dormant. Signs of overwatering include yellowing leaves and mushy rhizomes. Underwatering can cause wilting and browning leaf tips.

New Zealand Tea Tree

Water thoroughly when the top inch of soil feels dry. Ensure good drainage to prevent root rot. Overwatering can lead to yellowing leaves and fungal diseases. Underwatering results in wilting and leaf drop.

🌡️ Temperature & Humidity

Canna Lily

Temperature: 18-27°C

Humidity: 40-60%

New Zealand Tea Tree

Temperature: 15-25°C

Humidity: 30-50%

🤔 Which Plant Is Right For You?

Canna Lily

Canna Lily

Canna indica
Care: Expert Time: 30 minutes weekly Beginner: No

Experienced gardeners who want a bold, tropical plant and can provide ample sunlight and space.

✅ Choose This Plant If...

  • You want a bold, tropical statement plant for your sunny outdoor space.
  • You appreciate vibrant, showy flowers in shades of red, orange, and yellow.
  • You have experience with rhizomatous plants and understand their growth habits.
  • You can provide at least 6 hours of direct sunlight daily.
  • You are prepared to overwinter the rhizomes indoors in colder climates.

❌ Skip This Plant If...

  • You have pets that might ingest the plant, as it is toxic.
  • You lack a very sunny location, as it needs at least 6 hours of direct sun.
  • You prefer low-maintenance houseplants that don't require frequent attention.
📍 Ideal Location: Sunny patio, balcony, or garden (outdoors). South-facing window (indoors, but challenging).
🎨 Style: Tropical, Bohemian, Eclectic
🏠 Apartment Friendly: Limited
⚠️ According to the ASPCA, Canna lilies are toxic to dogs, cats, and horses. The toxic principle is unknown. Symptoms include drooling, vomiting, diarrhea, and anorexia. All parts of the plant are considered toxic.
New Zealand Tea Tree

New Zealand Tea Tree

Leptospermum scoparium
Care: Expert Time: 30 minutes weekly Beginner: No

Experienced gardeners who can provide the specific environmental conditions required for this plant to thrive.

✅ Choose This Plant If...

  • You want a fragrant plant with beautiful flowers.
  • You have a sunny outdoor space where it can thrive.
  • You are interested in the medicinal properties of Manuka honey (if grown outdoors and pollinated).
  • You enjoy a challenge and have experience with demanding plants.
  • You live in a climate with mild winters and hot summers.

❌ Skip This Plant If...

  • You have limited sunlight indoors.
  • You are a beginner gardener.
  • You have pets that might ingest the plant.
  • You tend to overwater your plants.
📍 Ideal Location: Sunny patio or balcony (outdoors). If attempting indoors, a south-facing window is essential.
🎨 Style: Mediterranean, Cottage, Naturalistic
🏠 Apartment Friendly: Limited
⚠️ According to the ASPCA, Tea Tree Oil (Melaleuca alternifolia) is toxic to dogs, cats, and horses. Leptospermum scoparium contains similar compounds, and while less concentrated, ingestion or skin contact can cause symptoms such as drooling, vomiting, incoordination, weakness, and tremors. All parts of the plant are potentially toxic.

🎯 Quick Verdict

Best for Beginners Neither ideal
Pet Friendly Neither - caution
Less Maintenance Similar effort
Apartment Friendly Check space

⚡ Key Differences Between These Plants

📈

Canna Lily has fast growth, while New Zealand Tea Tree grows moderate.

💡 Pro Tips For Comparing These Plants

Canna Lily Care Tips

Canna lilies are primarily outdoor plants that require full sun and ample moisture. Growing them indoors is challenging due to their high light requirements and potential for aggressive rhizome spread. They need large pots and frequent fertilization to thrive indoors. Expect less flowering indoors.

  • Provide ample sunlight – at least 6 hours of direct sun is crucial for flowering.
  • Water deeply and regularly during the growing season, but avoid soggy soil.
  • Fertilize every 2-4 weeks with a balanced liquid fertilizer to promote healthy growth and flowering.
  • Protect from strong winds, which can damage the large leaves.
  • Overwinter rhizomes indoors in colder climates by storing them in a cool, dry place.
❄️ Winter: In colder climates, Canna lilies are not winter hardy. After the first frost, cut back the foliage and dig up the rhizomes. Store them in a cool, dry place (around 4-10°C) in peat moss or vermiculite until spring.
☀️ Summer: Provide ample water and fertilizer during the growing season. Protect from strong winds. Deadhead spent flowers to encourage continued blooming. Monitor for pests and diseases.

New Zealand Tea Tree Care Tips

New Zealand Tea Tree is primarily an outdoor plant and challenging to grow indoors. It requires very bright light, well-draining soil, and careful watering to prevent root rot. Maintaining adequate humidity and preventing pests can also be difficult indoors.

  • Ensure excellent drainage to prevent root rot.
  • Provide at least 6 hours of direct sunlight daily.
  • Prune regularly to maintain shape and encourage flowering.
  • Fertilize during the growing season to promote healthy growth.
  • Protect from frost in colder climates.
❄️ Winter: Reduce watering during the winter months. Protect from frost if grown outdoors. Provide as much sunlight as possible.
☀️ Summer: Water regularly during the summer months, especially during hot and dry periods. Ensure adequate sunlight and good air circulation.

⚠️ Common Problems & Solutions — Plant Care Comparison

Canna Lily

Common Issues: Spider mites, Rhizome rot, Leaf spot, Insufficient flowering
Solutions: Spider mites: Treat with insecticidal soap or neem oil. Rhizome rot: Improve drainage and reduce watering. Leaf spot: Remove affected leaves and apply a fungicide. Insufficient flowering: Increase light exposure and fertilize regularly.

New Zealand Tea Tree

Common Issues: Root rot, spider mites, scale, nutrient deficiencies
Solutions: Root rot: Ensure proper drainage and avoid overwatering. Treat with a fungicide if necessary. | Spider mites: Increase humidity and treat with insecticidal soap or neem oil. | Scale: Manually remove scale insects and treat with horticultural oil. | Nutrient deficiencies: Fertilize regularly with a balanced fertilizer.

❓ Frequently Asked Questions — Comparing These Plants

Canna Lily

What are the light requirements for Canna Lily?

Canna Lilies need at least 6 hours of direct sunlight daily to thrive and produce abundant blooms. Insufficient light can lead to leggy growth and reduced flowering. Place outdoor Cannas in a location that receives full sun throughout the day.

How do I care for Canna Lily?

Canna Lilies thrive in full sun and well-draining soil. Water deeply when the top inch of soil feels dry, ensuring good drainage to prevent root rot. Fertilize regularly during the growing season with a balanced fertilizer, switching to a bloom-boosting formula as flowering begins.

How do I propagate Canna Lily?

Canna Lilies are easily propagated by rhizome division. In early spring, carefully dig up the rhizomes and divide them into sections, ensuring each section has at least one growth eye. Plant the divisions in well-draining soil, about 4-6 inches deep. Water thoroughly and keep the soil consistently moist until new growth appears.

New Zealand Tea Tree

What are the light requirements for New Zealand Tea Tree?

New Zealand Tea Trees thrive in bright, indirect sunlight. A south-facing or east-facing window is ideal, providing ample light without direct harsh rays that can scorch the leaves. If natural light is insufficient, supplement with a grow light. Rotate the plant regularly to ensure even growth on all sides. Insufficient light can lead to leggy growth and reduced flowering, while excessive direct sunlight can cause leaf burn. Pay close attention to leaf color; pale or yellowing leaves may indicate too much light, while dark green leaves may indicate insufficient light. Adjust placement accordingly.

How do I care for New Zealand Tea Tree?

To ensure your New Zealand Tea Tree thrives indoors, provide it with bright, indirect sunlight. Water thoroughly when the top inch of soil feels dry to the touch, ensuring proper drainage to prevent root rot. Maintain moderate humidity levels, especially during dry winter months. 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 in spring, using a well-draining potting mix formulated for shrubs or acid-loving plants. Protect from drafts and sudden temperature changes. Monitor for pests and diseases, addressing any issues promptly. Maintain a stable environment with consistent care to keep your plant healthy and happy.

How do I propagate New Zealand Tea Tree?

New Zealand Tea Tree can be propagated through stem cuttings or air layering. For stem cuttings, take 4-6 inch cuttings from new growth in spring. 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 in a humid environment. Roots should develop in 4-6 weeks. For air layering, make a small incision on a stem, wrap it with moist sphagnum moss, and cover it with plastic wrap. Secure the plastic wrap with tape. Once roots develop, cut the stem below the roots and plant it in a pot. Keep the soil consistently moist. Both methods require patience and consistent care.

Last updated: May 11, 2026 — Plant care data reviewed and verified by our editorial team.