Canna Lily vs Helichrysum 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
Helichrysum

Helichrysum

Helichrysum petiolare

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
Helichrysum

Helichrysum

Helichrysum petiolare

Helichrysum petiolare, commonly known as the Licorice Plant, is a tender perennial often grown as an annual. It features soft, rounded, silvery-gray leaves that are slightly fuzzy to the touch. The plant has a trailing or mounding growth habit, making it suitable for hanging baskets, containers, and as a ground cover in warmer climates. While it can be grown indoors, it thrives outdoors in full sun. People grow it for its attractive foliage, which adds a textural element to gardens and containers. It is not typically grown for its flowers, which are small and insignificant.

Asteraceae South Africa
✨ Features: Attractive silvery foliage, drought tolerant once established.
📖 Read Complete Helichrysum Guide

Quick Plant Comparison

Feature Canna Lily Helichrysum
Light Full sun to partial shade. Requires at least 6 hours of direct sunlight daily for optimal flowering. Full sun to partial shade outdoors. Indoors, requires very bright, direct light for at least 6 hours per day.
Watering Every 2-5 days during growing season, less frequently in winter Every 1-2 weeks indoors, depending on light and temperature. More frequently outdoors, especially during hot weather.
Humidity 40-60% 40-60%
Temperature 18-27°C 18-24°C
Care Level Expert Expert
Growth Rate Fast Moderate
Max Height 0.6-1.5 meters (indoors, typically smaller) 0.3-0.6 meters (indoors); 0.6-1 meter (outdoors)
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 potting mix. A mix of potting soil, perlite, and sand is suitable.
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 30 minutes weekly 15 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.

Helichrysum

Scientific Name Helichrysum petiolare
Family Asteraceae
Native To South Africa
Also Known As Licorice Plant, Silver Bush, Curry Plant (sometimes confused with Helichrysum italicum)
Leaves Rounded, soft, silvery-gray leaves that are slightly fuzzy to the touch. The leaves are typically 2-5 cm in diameter and have a velvety texture.
Flowers Rarely flowers indoors. Outdoors, it produces small, insignificant yellowish-white flowers, but it is primarily grown for its foliage.

📏 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.

Helichrysum

Height 0.3-0.6 meters (indoors); 0.6-1 meter (outdoors)
Spread 0.6-1.2 meters
Growth Rate Moderate
Growth Pattern Trailing or mounding growth habit. Stems can become quite long and cascade over the edges of containers or spread along the ground.

🌱 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.

Helichrysum

Methods: Stem cuttings

Difficulty: Easy

Tips: Take stem cuttings in spring or summer. Remove the lower leaves and place the cuttings in water or moist potting mix. Keep the cuttings 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

Helichrysum

The silvery-gray foliage is its most distinctive feature, providing a unique textural element in gardens and containers. It is also relatively drought-tolerant once established, making it a good choice for dry climates. It is often used as a filler or spiller plant in container arrangements.

  • ✓ Adds visual interest with its silvery foliage.
  • ✓ Drought-tolerant once established, reducing water needs.
  • ✓ Attracts pollinators when grown outdoors.
  • ✓ Can be used as a ground cover in suitable climates.
  • ✓ Easy to propagate from cuttings.
  • ⚠️ 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).

Helichrysum

Repotting Repot annually in spring if the plant becomes root-bound.
Pruning Prune regularly to maintain shape and encourage bushier growth. Pinch back stems to prevent legginess.
Fertilizing Balanced liquid fertilizer diluted to half strength. Apply every 4-6 weeks during the growing season (spring and summer).
Seasonal Care In winter, reduce watering and provide as much light as possible. In summer, water more frequently and protect from intense afternoon sun in very hot climates.

🌞 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

Helichrysum

Full sun to partial shade outdoors. Indoors, requires very bright, direct light for at least 6 hours per day.

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.

Helichrysum

Water thoroughly when the top inch of soil feels dry. Avoid overwatering, as this can lead to root rot. Allow the soil to dry out slightly between waterings. Signs of overwatering include yellowing leaves and a mushy stem. Underwatering results in wilting and dry, crispy leaves.

🌡️ Temperature & Humidity

Canna Lily

Temperature: 18-27°C

Humidity: 40-60%

Helichrysum

Temperature: 18-24°C

Humidity: 40-60%

🤔 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.
Helichrysum

Helichrysum

Helichrysum petiolare
Care: Expert Time: 15 minutes weekly Beginner: No

Experienced gardeners who can provide ample sunlight and well-draining conditions.

✅ Choose This Plant If...

  • You want a drought-tolerant plant for your garden.
  • You need a silvery-foliage accent plant.
  • You have a sunny location where other plants struggle.
  • You enjoy propagating plants from cuttings.
  • You want a plant that attracts pollinators outdoors.

❌ Skip This Plant If...

  • You have pets that may ingest the plant.
  • You cannot provide very bright, direct light indoors.
  • You tend to overwater your plants.
📍 Ideal Location: Sunny patio or balcony; south-facing window indoors (though challenging).
🎨 Style: Mediterranean, Cottage, Coastal
🏠 Apartment Friendly: Limited
⚠️ According to the ASPCA, Helichrysum is toxic to dogs, cats, and horses. Symptoms include dermatitis and photosensitivity.

🎯 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 Helichrysum 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.

Helichrysum Care Tips

Helichrysum petiolare is primarily an outdoor plant and requires very bright light to thrive indoors. It needs well-draining soil and careful watering to prevent root rot. Indoor cultivation can be challenging due to the high light requirements and susceptibility to pests.

  • Provide at least 6 hours of direct sunlight daily for optimal growth.
  • Allow the soil to dry out slightly between waterings to prevent root rot.
  • Prune regularly to maintain shape and prevent legginess.
  • Fertilize sparingly during the growing season.
  • Monitor for pests such as spider mites and aphids and treat promptly.
❄️ Winter: Reduce watering significantly. Provide as much light as possible. Protect from frost if grown outdoors.
☀️ Summer: Water more frequently during hot weather. Provide some shade during the hottest part of the day in very hot climates.

⚠️ 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.

Helichrysum

Common Issues: Root rot, spider mites, aphids, leggy growth
Solutions: Root rot: Ensure well-draining soil and avoid overwatering. Spider mites: Treat with insecticidal soap or neem oil. Aphids: Wash off with a strong stream of water or treat with insecticidal soap. Leggy growth: Provide more light and prune regularly.

❓ 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.

Helichrysum

What are the light requirements for Helichrysum?

Helichrysum requires at least 6-8 hours of direct sunlight per day to thrive. Insufficient light can result in leggy growth, reduced flowering, and pale foliage. When grown indoors, place Helichrysum near a south-facing window where it can receive ample sunlight. If natural light is limited, supplement with grow lights to ensure adequate illumination.

How do I care for Helichrysum?

Helichrysum thrives in well-draining soil and requires full sun exposure for optimal growth and blooming. Water thoroughly when the top inch of soil feels dry, allowing excess water to drain away. Avoid overwatering, which can lead to root rot. Fertilize monthly during the growing season (spring and summer) with a balanced fertilizer to promote healthy growth and abundant blooms.

How do I propagate Helichrysum?

Helichrysum can be easily propagated through stem cuttings. Take 4-6 inch cuttings from healthy stems, removing the lower leaves. Dip the cut end in rooting hormone and plant in well-draining potting mix. Keep the soil consistently moist and provide bright, indirect light. Roots should develop within 2-4 weeks.

Last updated: May 13, 2026 — Plant care data reviewed and verified by our editorial team.