Bells of Ireland vs Heartleaf Philodendron Plant Comparison
Compare these two plants side by side — care needs, key differences, and which is right for your home.
Bells of Ireland
Moluccella laevis
Bells of Ireland is an annual flowering plant known for its tall spikes of vibrant green, bell-shaped calyces (modified leaves) that surround tiny, inconspicuous white flowers. It typically grows to a height of 2-3 feet. While it can be grown indoors, it's primarily an outdoor plant, often cultivated in gardens for its unique architectural form and long-lasting cut flowers. People grow it for its ornamental value, particularly in floral arrangements, where its bright green color adds a striking contrast.
Heartleaf Philodendron
Philodendron hederaceum
Philodendron hederaceum, commonly known as Heartleaf Philodendron, is a popular vining plant prized for its glossy, heart-shaped leaves. Native to tropical regions, it thrives in warm, humid environments. It's a relatively easy-to-grow houseplant, making it a favorite among beginners. The plant's trailing habit makes it suitable for hanging baskets or allowing it to climb with support. While it can be grown outdoors in suitable climates, it's primarily cultivated as an indoor plant due to its sensitivity to cold temperatures. People grow it for its attractive foliage, air-purifying qualities, and ease of care.
Quick Plant Comparison
| Feature | Bells of Ireland | Heartleaf Philodendron |
|---|---|---|
| Light | Full sun to partial shade outdoors. Indoors, requires very bright, direct light for at least 6 hours daily. | Bright, indirect light. Avoid direct sunlight, which can scorch the leaves. |
| Watering | Outdoors: 2-3 times per week, depending on weather. Indoors: Every 5-7 days, depending on light and humidity. | Every 7-10 days, depending on environmental conditions |
| Humidity | 40-60% | 50-70% |
| Temperature | 15-24°C | 18-24°C |
| Care Level | Expert | Easy |
| Growth Rate | Fast | Moderate |
| Max Height | Indoors: 0.6-1 meter (2-3 feet). Outdoors: 0.6-1 meter (2-3 feet) | 1-2 meters indoors (trailing length) |
| Pet Safety | ✅ Safe | ❌ Toxic To Pets |
| Soil | Well-draining potting mix or garden soil. A mix of potting soil, perlite, and vermiculite is suitable. | Well-draining potting mix, such as a blend of peat moss, perlite, and vermiculite |
| Beginner Friendly | ❌ No | ✅ Yes |
| Weekly Maintenance | 30 minutes weekly | 5-10 minutes weekly |
🔬 Botanical Information — Comparing These Plants
Bells of Ireland
| Scientific Name | Moluccella laevis |
|---|---|
| Family | Lamiaceae (Mint family) |
| Native To | Western Asia (Turkey, Syria, Caucasus) |
| Also Known As | Bells of Ireland, Molucca Balm, Shellflower |
| Leaves | The leaves are light green, oval to rounded in shape, and have slightly toothed edges. They are arranged oppositely along the stem and are generally inconspicuous compared to the prominent calyces. |
| Flowers | The actual flowers are small, white, and relatively insignificant, hidden within the larger green calyces. Flowering typically occurs in summer. |
Heartleaf Philodendron
| Scientific Name | Philodendron hederaceum |
|---|---|
| Family | Araceae |
| Native To | Tropical America |
| Also Known As | Heartleaf Philodendron, Sweetheart Plant |
| Leaves | Heart-shaped leaves that are typically 5-10 cm long. They are glossy and dark green, with a smooth texture. New leaves emerge a lighter green and gradually darken as they mature. |
| Flowers | Rarely flowers indoors. When it does flower, it produces a spathe and spadix, typical of plants in the Araceae family, but the flowers are not particularly showy. |
📏 Size & Growth — Plant Comparison
Bells of Ireland
Heartleaf Philodendron
🌱 Propagation — Comparing Plant Growth
Bells of Ireland
Methods: Seed
Difficulty: Moderate
Tips: Sow seeds indoors 6-8 weeks before the last frost or directly outdoors after the last frost. Seeds require light to germinate, so press them gently into the soil surface. Keep the soil consistently moist.
Heartleaf Philodendron
Methods: Stem cuttings
Difficulty: Easy
Tips: Take stem cuttings with at least one node. Place in water or directly into moist potting mix. Roots will typically develop within a few weeks. Keep the cutting in a warm, humid environment.
✨ Benefits & Features — Comparing Plant Value
Bells of Ireland
The most striking feature is the bright green, bell-shaped calyces that surround the tiny white flowers. These calyces persist long after the flowers have faded, providing extended ornamental value. It is not native to Ireland, despite its common name.
- ✓ Adds unique architectural interest to gardens and floral arrangements.
- ✓ Provides a vibrant green color that contrasts well with other flowers.
- ✓ Attracts pollinators like bees and butterflies.
- ✓ Symbolizes luck and good fortune.
- ✓ Can be dried and used in dried flower arrangements.
- 🐾 Pet Safe
Heartleaf Philodendron
The Heartleaf Philodendron is known for its glossy, heart-shaped leaves and trailing growth habit. It's a relatively low-maintenance plant that can tolerate a wide range of conditions. Its adaptability makes it a popular choice for both beginners and experienced plant owners.
- ✓ Improves air quality by removing toxins.
- ✓ Adds a touch of greenery and life to any space.
- ✓ Easy to care for, making it a great choice for beginners.
- ✓ Can be propagated easily, allowing you to expand your plant collection.
- ✓ Creates a relaxing and calming atmosphere.
- 🌬️ NASA-verified air purifier
- ⚠️ Toxic to pets
📅 Maintenance Schedule — Plant Care Comparison
Bells of Ireland
Heartleaf Philodendron
🌞 Light Requirements
Bells of Ireland
Full sun to partial shade outdoors. Indoors, requires very bright, direct light for at least 6 hours daily.
Low light tolerant: ❌ No
Heartleaf Philodendron
Bright, indirect light. Avoid direct sunlight, which can scorch the leaves.
Low light tolerant: ✅ Yes
💧 Watering Needs
Bells of Ireland
Outdoors: Water regularly, keeping the soil consistently moist but not waterlogged. Indoors: Water thoroughly when the top inch of soil feels dry. Overwatering can lead to root rot; underwatering will cause wilting and browning of the calyces.
Heartleaf Philodendron
Water thoroughly when the top inch of soil feels dry. Allow excess water to drain away. Overwatering can lead to root rot, indicated by yellowing leaves and a musty smell. Underwatering results in drooping leaves and dry, crispy edges.
🌡️ Temperature & Humidity
Bells of Ireland
Temperature: 15-24°C
Humidity: 40-60%
Heartleaf Philodendron
Temperature: 18-24°C
Humidity: 50-70%
🤔 Which Plant Is Right For You?
Bells of Ireland
Moluccella laevisExperienced gardeners who want a unique and striking addition to their cut flower arrangements.
✅ Choose This Plant If...
- You want a unique and striking addition to your garden or floral arrangements.
- You enjoy the challenge of growing plants that require specific conditions.
- You are looking for a plant with a strong architectural presence.
- You want to attract pollinators to your garden.
- You need a long-lasting cut flower with a vibrant green color.
❌ Skip This Plant If...
- You have limited sunlight indoors and cannot provide supplemental lighting.
- You are a beginner gardener looking for an easy-to-grow plant.
- You live in a very hot or humid climate, which can increase the risk of fungal diseases.
Heartleaf Philodendron
Philodendron hederaceumBeginners looking for an easy-to-care-for trailing plant.
✅ Choose This Plant If...
- You want a low-maintenance plant that is easy to care for.
- You are looking for a trailing plant to add greenery to shelves or hanging baskets.
- You want a plant that can tolerate low light conditions.
- You want a plant that helps purify the air.
- You are a beginner plant owner.
❌ Skip This Plant If...
- You have pets that are prone to eating plants.
- You tend to overwater your plants.
- You are looking for a plant that requires minimal pruning.
🎯 Quick Verdict
⚡ Key Differences Between These Plants
Bells of Ireland is rated Expert care level, while Heartleaf Philodendron is Easy.
Bells of Ireland has fast growth, while Heartleaf Philodendron grows moderate.
💡 Pro Tips For Comparing These Plants
Bells of Ireland Care Tips
Bells of Ireland are best suited for outdoor gardens. Growing them indoors is challenging due to their high light requirements. Supplemental lighting is almost always necessary. Consistent watering and well-draining soil are crucial to prevent root rot. Requires careful monitoring for pests and diseases.
- Start seeds indoors 6-8 weeks before the last frost for earlier blooms.
- Provide well-draining soil to prevent root rot.
- Water regularly, especially during hot and dry weather.
- Fertilize every 2-4 weeks during the growing season with a balanced liquid fertilizer.
- Pinch back young plants to encourage bushier growth.
Heartleaf Philodendron Care Tips
Heartleaf Philodendron is a low-maintenance houseplant that thrives in bright, indirect light and well-draining soil. Avoid overwatering and provide adequate humidity. It's a great choice for beginners due to its adaptability and resilience.
- Allow the top inch of soil to dry out between waterings to prevent root rot.
- Provide bright, indirect light for optimal growth.
- Fertilize regularly during the growing season (spring and summer).
- Prune regularly to maintain shape and encourage bushier growth.
- Wipe the leaves occasionally to remove dust and improve photosynthesis.
⚠️ Common Problems & Solutions — Plant Care Comparison
Bells of Ireland
Heartleaf Philodendron
❓ Frequently Asked Questions — Comparing These Plants
Bells of Ireland
What are the light requirements for Bells of Ireland?
Bells of Ireland crave sunlight. They need at least 6-8 hours of direct sunlight each day to produce vibrant green calyces and strong stems. Insufficient light can lead to leggy growth, pale coloring, and reduced blooming. When grown indoors, place them near a south-facing window where they can receive ample sunlight. If natural light is limited, supplement with grow lights. Rotate the plants regularly to ensure even light exposure on all sides. When starting seeds indoors, use grow lights to ensure healthy seedling development.
How do I care for Bells of Ireland?
Bells of Ireland require full sun, at least 6-8 hours daily, to thrive. Plant them in well-draining soil with a slightly acidic to neutral pH (6.0-7.0). Water regularly, keeping the soil consistently moist but not waterlogged, especially during hot weather. Fertilize every 2-3 weeks with a balanced liquid fertilizer during the growing season (spring and summer).
How do I propagate Bells of Ireland?
Bells of Ireland are typically propagated by seed.
Heartleaf Philodendron
What are the light requirements for Heartleaf Philodendron?
Heartleaf Philodendrons thrive in bright, indirect light. Avoid direct sunlight, especially during the hottest part of the day, as it can scorch the leaves. An east-facing window is often ideal, providing gentle morning sun. A north-facing window can also work, though growth may be slower.
How do I care for Heartleaf Philodendron?
Heartleaf Philodendrons are relatively easy to care for, making them ideal for beginners. Provide bright, indirect light; avoid direct sunlight, which can scorch the leaves. Water when the top inch of soil feels dry to the touch, typically every 1-2 weeks, allowing excess water to drain away to prevent root rot. Maintain a humidity level of 50-70%, which can be achieved by misting regularly, using a humidifier, or placing the plant on a pebble tray filled with water.
How do I propagate Heartleaf Philodendron?
Heartleaf Philodendrons are easily propagated through stem cuttings. Take a cutting with at least one node (the point where a leaf emerges). Remove the lower leaves and place the cutting in water, ensuring the node is submerged. Roots should develop within a few weeks. Once the roots are an inch or two long, plant the cutting in well-draining potting mix.
Last updated: April 19, 2026 — Plant care data reviewed and verified by our editorial team.