Cardinal Flower vs Parasol Tree Plant Comparison
Compare these two plants side by side — care needs, key differences, and which is right for your home.
Cardinal Flower
Lobelia cardinalis
Lobelia cardinalis, or Cardinal Flower, is a striking herbaceous perennial native to North America. It features vibrant, intensely red flowers arranged in tall, erect spikes that can reach up to 4 feet in height. The plant has lance-shaped, green leaves that provide a backdrop for the brilliant blooms. Cardinal flowers are primarily grown for their ornamental value, attracting hummingbirds and butterflies to gardens. While occasionally attempted indoors, it is challenging to replicate the plant's natural habitat, making it primarily an outdoor plant.
Parasol Tree
Heptapleurum actinophyllum (syn. Schefflera actinophylla)
The Parasol Tree, or Umbrella Tree, is a fast-growing evergreen tree or shrub known for its distinctive palmate leaves that resemble an umbrella. In its native habitat, it can reach heights of up to 50 feet. It features multiple leaflets radiating from a central point, creating a visually striking effect. While primarily an outdoor plant, it is sometimes grown indoors as a houseplant, though it requires significant space and bright light to thrive. People grow it for its lush, tropical appearance and architectural form.
Quick Plant Comparison
| Feature | Cardinal Flower | Parasol Tree |
|---|---|---|
| Light | Full sun to partial shade | Bright, indirect light to full sun. Requires at least 6 hours of direct sunlight for optimal growth. |
| Watering | 2-3 times per week, depending on weather and soil drainage | Every 7-14 days, depending on environmental conditions and pot size. |
| Humidity | 40-60% | 40-60% |
| Temperature | 15-27°C | 18-24°C |
| Care Level | Expert | Expert |
| Growth Rate | Moderate | Fast |
| Max Height | Outdoors: 0.6-1.2 meters (2-4 feet). Indoors: rarely exceeds 0.6 meters (2 feet) and often struggles. | 2-3 meters (indoors, if conditions are ideal) |
| Pet Safety | ❌ Toxic To Pets | ❌ Toxic To Pets |
| Soil | Rich, well-drained, consistently moist soil. A mix of garden soil, compost, and peat moss is suitable. | Well-draining potting mix, such as a blend of peat moss, perlite, and vermiculite. |
| Beginner Friendly | ❌ No | ❌ No |
| Weekly Maintenance | 30 minutes weekly during the growing season. | 30 minutes weekly |
🔬 Botanical Information — Comparing These Plants
Cardinal Flower
| Scientific Name | Lobelia cardinalis |
|---|---|
| Family | Campanulaceae |
| Native To | North America |
| Also Known As | Cardinal Flower, Red Lobelia |
| Leaves | Lance-shaped, toothed, green leaves arranged alternately along the stem. Leaves are typically 5-15 cm long. |
| Flowers | Does not typically flower indoors. Outdoors, it produces vibrant red, tubular flowers arranged in tall spikes during the summer months. Each flower is about 2-4 cm long. |
Parasol Tree
| Scientific Name | Heptapleurum actinophyllum (syn. Schefflera actinophylla) |
|---|---|
| Family | Araliaceae |
| Native To | Australia, New Guinea, Java |
| Also Known As | Umbrella Tree, Octopus Tree, Amate |
| Leaves | The leaves are palmate, meaning they have multiple leaflets radiating from a central point, resembling an umbrella. The leaflets are typically glossy green, oblong to lance-shaped, and can be up to 20 cm long. New growth may have a reddish tint. |
| Flowers | Rarely flowers indoors. When it does flower outdoors, it produces long, drooping racemes of small, red flowers. |
📏 Size & Growth — Plant Comparison
Cardinal Flower
Parasol Tree
🌱 Propagation — Comparing Plant Growth
Cardinal Flower
Methods: Seed, Division, Stem cuttings
Difficulty: Moderate
Tips: For seeds, cold stratify for 30 days before sowing. Divide clumps in spring or fall. Take stem cuttings in late spring and root in moist soil.
Parasol Tree
Methods: Stem cuttings, Air layering, Seed
Difficulty: Moderate
Tips: Take stem cuttings in spring or summer. Use rooting hormone and provide warmth and humidity. Air layering is also effective for larger plants.
✨ Benefits & Features — Comparing Plant Value
Cardinal Flower
The Cardinal Flower is known for its brilliant red flowers and its ability to attract hummingbirds. Its tall, erect flower spikes make it a striking addition to any garden.
- ✓ Attracts pollinators like hummingbirds and butterflies.
- ✓ Adds vibrant color to the garden.
- ✓ Native plant supports local ecosystems.
- ✓ Can be used in cut flower arrangements.
- ✓ Provides visual interest with its tall flower spikes.
- ⚠️ Toxic to pets
Parasol Tree
The palmate leaves that resemble an umbrella are the most distinctive feature. Its rapid growth rate and potential to become a large tree set it apart from many other houseplants.
- ✓ Adds a tropical aesthetic to your home.
- ✓ Can improve indoor air quality (though not a significant air purifier).
- ✓ Provides a sense of connection to nature.
- ✓ Can be a rewarding challenge for experienced plant owners.
- ✓ Offers a unique architectural element to indoor spaces.
- 🌬️ NASA-verified air purifier
- ⚠️ Toxic to pets
📅 Maintenance Schedule — Plant Care Comparison
Cardinal Flower
Parasol Tree
🌞 Light Requirements
Cardinal Flower
Full sun to partial shade
Low light tolerant: ❌ No
Parasol Tree
Bright, indirect light to full sun. Requires at least 6 hours of direct sunlight for optimal growth.
Low light tolerant: ❌ No
💧 Watering Needs
Cardinal Flower
Requires consistently moist soil. Water deeply when the top inch of soil feels dry. Avoid letting the soil dry out completely, especially during hot weather. Overwatering can lead to root rot, so ensure good drainage. Signs of underwatering include wilting leaves and dry soil. Overwatering signs include yellowing leaves and soggy soil.
Parasol Tree
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
Cardinal Flower
Temperature: 15-27°C
Humidity: 40-60%
Parasol Tree
Temperature: 18-24°C
Humidity: 40-60%
🤔 Which Plant Is Right For You?
Cardinal Flower
Lobelia cardinalisGardeners who want to attract hummingbirds and butterflies to their moist, shady gardens.
✅ Choose This Plant If...
- You want to attract hummingbirds to your garden.
- You have a consistently moist area in your garden.
- You appreciate vibrant red flowers.
- You want a native North American plant.
- You are an experienced gardener willing to provide specific care.
❌ Skip This Plant If...
- You have pets that might ingest the plant.
- You struggle to maintain consistently moist soil.
- You want a low-maintenance plant.
- You are looking for an easy indoor plant.
Parasol Tree
Heptapleurum actinophyllum (syn. Schefflera actinophylla)Experienced plant enthusiasts with bright, spacious indoor environments or those living in warm climates suitable for outdoor cultivation.
✅ Choose This Plant If...
- You want a statement plant with a tropical look.
- You have a very bright, sunny indoor space.
- You enjoy regular pruning and shaping of plants.
- You live in a warm climate where it can be grown outdoors.
- You are an experienced plant owner looking for a challenge.
❌ Skip This Plant If...
- You have pets that might ingest the plant.
- You have limited space or low light conditions.
- You are a beginner plant owner.
- You dislike frequent pruning.
- You are sensitive to potential allergens (though not a common allergen).
🎯 Quick Verdict
⚡ Key Differences Between These Plants
Cardinal Flower has moderate growth, while Parasol Tree grows fast.
💡 Pro Tips For Comparing These Plants
Cardinal Flower Care Tips
Cardinal Flower is best suited for outdoor gardens with moist soil and partial shade. Indoor cultivation is challenging due to the need for high humidity, consistent moisture, and specific light conditions. It requires careful monitoring and is prone to root rot if overwatered.
- Ensure consistent moisture, especially during hot weather.
- Provide afternoon shade in hotter climates to prevent scorching.
- Deadhead spent flowers to encourage more blooms.
- Protect from slugs and snails.
- Divide clumps every few years to maintain vigor.
Parasol Tree Care Tips
The Parasol Tree is challenging to grow indoors due to its high light requirements and potential for rapid growth. It needs ample space, bright light, and careful watering to thrive. Regular pruning is necessary to maintain its shape and size. Susceptible to pests.
- Provide ample bright light to prevent leggy growth.
- Water thoroughly but allow the soil to dry slightly between waterings.
- Fertilize regularly during the growing season.
- Prune regularly to maintain shape and size.
- Monitor for pests and treat promptly.
⚠️ Common Problems & Solutions — Plant Care Comparison
Cardinal Flower
Parasol Tree
❓ Frequently Asked Questions — Comparing These Plants
Cardinal Flower
What are the light requirements for Cardinal Flower?
Cardinal Flower prefers partial to full sun, needing at least 6 hours of sunlight daily for optimal blooming. In hotter climates, providing afternoon shade is crucial to prevent leaf scorch and wilting. A location with morning sun and afternoon shade is ideal. Insufficient light can lead to leggy growth and reduced flowering. When grown indoors (less common but possible), place near a bright, east-facing window or supplement with grow lights. Rotate the plant regularly to ensure even light exposure. Monitor the plant for signs of stress, such as pale leaves, which may indicate insufficient light. Adjust the plant’s location accordingly.
How do I care for Cardinal Flower?
Cardinal Flower thrives in moist, well-drained soil and prefers partial to full sun, though afternoon shade is beneficial in hot climates. Water regularly, especially during dry spells, keeping the soil consistently moist but not waterlogged. Fertilize in spring with a balanced, slow-release fertilizer or a liquid feed every few weeks during the growing season to encourage abundant blooming. Deadhead spent flowers to prolong the blooming period. Protect from slugs and snails. Mulch around the base of the plant to retain moisture and suppress weeds. Divide clumps every few years to maintain vigor. Provide good air circulation to prevent fungal diseases. Monitor for pests like aphids. Cardinal Flower benefits from consistent moisture and nutrient availability for optimal growth.
How do I propagate Cardinal Flower?
Cardinal Flower can be propagated by division, stem cuttings, and keiki.
Parasol Tree
What are the light requirements for Parasol Tree?
Parasol Trees thrive in bright, indirect light. While they can tolerate lower light conditions, they will grow best and maintain their vibrant color with ample light exposure. Avoid placing the plant in direct sunlight, especially during the hottest part of the day, as this can scorch the leaves. An east-facing window is often ideal, providing gentle morning sun. A north-facing window may also work, but the plant might not grow as quickly. If you don’t have a suitable window, you can supplement with artificial grow lights. Rotate the plant regularly to ensure even light exposure on all sides. Insufficient light can lead to leggy growth and faded leaf color.
How do I care for Parasol Tree?
Provide your Parasol Tree with bright, indirect light; direct sunlight can scorch its leaves. Water thoroughly when the top inch of soil feels dry, ensuring proper drainage to prevent root rot. Maintain a stable temperature between 65-75°F (18-24°C) and avoid sudden temperature fluctuations. Fertilize monthly during the growing season (spring and summer) with a balanced liquid fertilizer diluted to half strength. Repot every 1-2 years, or when the plant becomes root-bound, using a well-draining potting mix. Prune regularly to maintain shape and encourage bushier growth. Wipe leaves with a damp cloth to remove dust and pests. Monitor for common pests like spider mites and mealybugs, treating promptly if detected. Provide adequate humidity, especially during dry winter months, by misting regularly or using a humidifier. Rotate the plant periodically to ensure even growth on all sides. Avoid overwatering, which is a common cause of problems.
How do I propagate Parasol Tree?
Parasol Trees can be propagated through stem cuttings or air layering. For stem cuttings, take a 4-6 inch cutting from a healthy stem, removing the lower leaves. Dip the cut end in rooting hormone and plant it in a well-draining potting mix. Keep the soil moist and provide warmth and humidity. Roots should develop in a few weeks. For air layering, make a small cut 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 pot the new plant. Spring and summer are the best times for propagation. Ensure the cutting or air layer receives bright, indirect light. Maintain stable conditions during the rooting process.
Last updated: April 29, 2026 — Plant care data reviewed and verified by our editorial team.