Chocolate Cosmos vs Parlor Palm Plant Comparison
Compare these two plants side by side — care needs, key differences, and which is right for your home.
Chocolate Cosmos
Cosmos atrosanguineus
Chocolate Cosmos is a tuberous perennial plant prized for its dark, velvety, chocolate-scented flowers. It typically grows to a height of 40-60 cm. The flowers are usually a deep maroon to chocolate brown color and bloom from summer to frost. While it can be grown in containers, it is primarily an outdoor plant that requires specific conditions to thrive. People grow it for its unique flower color, fragrance, and ornamental value in gardens.
Parlor Palm
Chamaedorea elegans
The Parlor Palm is a small, slow-growing palm native to the rainforests of Southern Mexico and Guatemala. It's a popular houseplant due to its tolerance of low light conditions and relatively easy care. It features delicate, arching fronds that create a lush, tropical feel. It is naturally an understory plant, which contributes to its indoor suitability. People grow it for its air-purifying qualities, aesthetic appeal, and pet-friendliness (though it's always best to keep pets from nibbling on plants).
Quick Plant Comparison
| Feature | Chocolate Cosmos | Parlor Palm |
|---|---|---|
| Light | Full sun to partial shade. Requires at least 6 hours of direct sunlight for optimal flowering. | Bright indirect light to low light. Avoid direct sunlight, which can scorch the leaves. |
| Watering | Every 3-7 days during the growing season, depending on weather and soil drainage. | Every 1-2 weeks, depending on environmental conditions |
| Humidity | 40-60% | 40-60% |
| Temperature | 18-24°C | 18-24°C |
| Care Level | Expert | Easy |
| Growth Rate | Moderate | Slow |
| Max Height | 40-60 cm | 0.6 - 1.2 meters (2-4 feet) indoors |
| Pet Safety | ❌ Toxic To Pets | ✅ Safe |
| Soil | Well-draining soil, such as a mix of potting soil, perlite, and sand. | Well-draining potting mix, such as a mix of peat moss, perlite, and vermiculite. |
| Beginner Friendly | ❌ No | ✅ Yes |
| Weekly Maintenance | 15 minutes weekly | 5 minutes weekly |
🔬 Botanical Information — Comparing These Plants
Chocolate Cosmos
| Scientific Name | Cosmos atrosanguineus |
|---|---|
| Family | Asteraceae |
| Native To | Mexico (endemic to a small area in Mexico; now extinct in the wild) |
| Also Known As | Chocolate Cosmos |
| Leaves | The leaves are pinnately divided, resembling ferns, and are a medium green color. They are finely textured and provide a delicate backdrop to the dark flowers. |
| Flowers | While it may flower indoors under ideal conditions (very bright light), it is more commonly and reliably flowered outdoors. The flowers are typically a deep maroon to chocolate brown color and have a velvety texture. They are approximately 3-5 cm in diameter and have a distinct chocolate scent. |
Parlor Palm
| Scientific Name | Chamaedorea elegans |
|---|---|
| Family | Arecaceae |
| Native To | Southern Mexico and Guatemala |
| Also Known As | Parlor Palm, Neanthe Bella Palm, Dwarf Palm |
| Leaves | The leaves are pinnate, meaning they are feather-like, with numerous leaflets arranged along a central stem. The leaflets are lance-shaped, glossy green, and have a slightly drooping appearance. The overall texture is soft and delicate. |
| Flowers | Parlor Palms rarely flower indoors. When they do, they produce small, yellow flowers on a slender inflorescence. |
📏 Size & Growth — Plant Comparison
Chocolate Cosmos
Parlor Palm
🌱 Propagation — Comparing Plant Growth
Chocolate Cosmos
Methods: Division, Tubers, Seed (though seed propagation can be challenging and may not produce true-to-type offspring)
Difficulty: Moderate
Tips: Divide tubers in early spring before new growth begins. Plant tubers in well-draining soil and keep moist until established. Seeds can be sown indoors 6-8 weeks before the last frost.
Parlor Palm
Methods: Seed, Division (though division can be difficult and stressful for the plant)
Difficulty: Moderate
Tips: Division is best done in spring. Carefully separate the root ball, ensuring each division has healthy roots and foliage. Replant in fresh potting mix and keep consistently moist.
✨ Benefits & Features — Comparing Plant Value
Chocolate Cosmos
The Chocolate Cosmos is unique for its dark, velvety flowers and distinct chocolate scent. It is also notable for being extinct in the wild, with all cultivated plants being clones of a single specimen.
- ✓ Aesthetic appeal with unique dark flowers.
- ✓ Pleasant chocolate fragrance enhances outdoor spaces.
- ✓ Attracts pollinators like bees and butterflies.
- ✓ Provides cut flowers for arrangements.
- ✓ Adds visual interest to garden borders and containers.
- ⚠️ Toxic to pets
Parlor Palm
The Parlor Palm is known for its ability to thrive in low-light conditions, making it a popular choice for indoor spaces. It is also a relatively small palm, making it suitable for smaller homes and apartments. Its air-purifying qualities add to its appeal as a houseplant.
- ✓ Air purification, removing common household toxins
- ✓ Adds a touch of greenery and tropical ambiance to any room
- ✓ Relatively low-maintenance, making it easy to care for
- ✓ Pet-friendly, creating a safe environment for animals
- ✓ Can improve indoor humidity levels
- 🌬️ NASA-verified air purifier
- 🐾 Pet Safe
📅 Maintenance Schedule — Plant Care Comparison
Chocolate Cosmos
Parlor Palm
🌞 Light Requirements
Chocolate Cosmos
Full sun to partial shade. Requires at least 6 hours of direct sunlight for optimal flowering.
Low light tolerant: ❌ No
Parlor Palm
Bright indirect light to low light. Avoid direct sunlight, which can scorch the leaves.
Low light tolerant: ✅ Yes
💧 Watering Needs
Chocolate Cosmos
Water regularly during the growing season, allowing the top inch of soil to dry out between waterings. Avoid overwatering, which can lead to tuber rot. Reduce watering in the fall as the plant prepares for dormancy. Signs of overwatering include yellowing leaves and a mushy stem base. Underwatering results in wilting and dry, crispy leaves.
Parlor Palm
Water thoroughly when the top inch of soil feels dry to the touch. Allow excess water to drain away. Overwatering can lead to root rot, indicated by yellowing or browning leaves and a musty smell. Underwatering can cause the fronds to droop and brown at the tips.
🌡️ Temperature & Humidity
Chocolate Cosmos
Temperature: 18-24°C
Humidity: 40-60%
Parlor Palm
Temperature: 18-24°C
Humidity: 40-60%
🤔 Which Plant Is Right For You?
Chocolate Cosmos
Cosmos atrosanguineusExperienced gardeners who want a unique and fragrant addition to their outdoor garden.
✅ Choose This Plant If...
- You love the unique chocolate scent of the flowers.
- You want a plant with unusual dark-colored blooms.
- You have a sunny garden or patio.
- You enjoy a challenge and are willing to provide the specific care this plant needs.
- You want to attract pollinators to your garden.
❌ Skip This Plant If...
- You have pets that might ingest the plant.
- You don't have a sunny location.
- You are a beginner gardener looking for an easy-care plant.
Parlor Palm
Chamaedorea elegansBeginners looking for a low-maintenance, air-purifying houseplant.
✅ Choose This Plant If...
- You want a low-maintenance plant that tolerates low light.
- You have pets and need a non-toxic option.
- You want to add a touch of the tropics to your home.
- You are a beginner plant owner.
- You want a plant that helps purify the air.
❌ Skip This Plant If...
- You tend to overwater your plants.
- You need a plant that thrives in direct sunlight.
- You want a fast-growing plant.
🎯 Quick Verdict
⚡ Key Differences Between These Plants
Chocolate Cosmos is rated Expert care level, while Parlor Palm is Easy.
Chocolate Cosmos has moderate growth, while Parlor Palm grows slow.
💡 Pro Tips For Comparing These Plants
Chocolate Cosmos Care Tips
Chocolate Cosmos is primarily an outdoor plant and requires specific conditions to thrive indoors. It needs ample sunlight, well-draining soil, and careful watering to prevent tuber rot. Indoor cultivation is challenging due to the high light requirements and the need for a cool, dry dormancy period in winter.
- Provide at least 6 hours of direct sunlight daily for optimal flowering.
- Ensure well-draining soil to prevent tuber rot.
- Fertilize regularly during the growing season with a balanced liquid fertilizer.
- Deadhead spent flowers to encourage more blooms.
- Protect from frost in colder climates by lifting and storing tubers indoors.
Parlor Palm Care Tips
Parlor Palms are relatively easy to care for, making them a great choice for beginners. They tolerate low light and don't require frequent watering. The main challenge is avoiding overwatering, which can lead to root rot. Occasional cleaning of the fronds will keep them looking their best.
- Avoid placing the plant in direct sunlight to prevent leaf scorch.
- Water thoroughly but allow the soil to dry slightly between waterings.
- Wipe the leaves regularly with a damp cloth to remove dust and improve photosynthesis.
- Fertilize sparingly during the growing season to avoid over-fertilization.
- Monitor for pests like spider mites and treat promptly if detected.
⚠️ Common Problems & Solutions — Plant Care Comparison
Chocolate Cosmos
Parlor Palm
❓ Frequently Asked Questions — Comparing These Plants
Chocolate Cosmos
What are the light requirements for Chocolate Cosmos?
Chocolate Cosmos requires at least six hours of direct sunlight daily to thrive and produce abundant blooms. When grown indoors, place it near a sunny window, preferably south-facing. If natural light is insufficient, supplement with grow lights. Insufficient light can lead to leggy growth and reduced flowering. Rotate the plant regularly to ensure even light exposure on all sides. Plants grown in too much shade will produce fewer blooms and may become susceptible to fungal diseases. Monitor the plant’s foliage; pale or yellowish leaves can indicate insufficient light.
How do I care for Chocolate Cosmos?
Chocolate Cosmos thrives in well-draining soil and prefers full sun to partial shade. Water regularly, allowing the soil to dry slightly between waterings; avoid overwatering to prevent root rot. Fertilize every 2-4 weeks during the growing season with a balanced, water-soluble fertilizer, or one specifically formulated for blooming plants. Deadhead spent flowers to encourage continuous blooming. In colder climates, protect from frost or bring indoors during winter. Chocolate Cosmos benefits from consistent humidity, especially when grown indoors. Ensure good air circulation to prevent fungal diseases. Regularly check for pests and address them promptly. Prune back in late fall to encourage bushier growth the following season.
How do I propagate Chocolate Cosmos?
Chocolate Cosmos can be propagated by division or stem cuttings.
Parlor Palm
What are the light requirements for Parlor Palm?
Parlor Palms thrive in bright, indirect light. Avoid placing them in direct sunlight, as this can scorch their delicate fronds. An east-facing window is often ideal, providing gentle morning light. North-facing windows can also work, although growth may be slower. If placing near a south or west-facing window, use sheer curtains to filter the light.
How do I care for Parlor Palm?
Parlor Palms are relatively easy to care for, making them ideal for beginners. Provide bright, indirect light, avoiding direct sunlight which can scorch the leaves. Water when the top inch of soil feels dry, ensuring good drainage to prevent root rot. Maintain moderate humidity levels, especially during dry winter months, by misting the plant regularly or using a humidifier.
How do I propagate Parlor Palm?
Parlor Palms can be propagated by seeds or division of clumping types. Seed propagation is a slow process, requiring patience and consistent care. Soak the seeds in warm water for 24 hours before planting in a well-draining potting mix. Keep the soil consistently moist and provide warm temperatures. Germination can take several weeks or months.
Last updated: May 5, 2026 — Plant care data reviewed and verified by our editorial team.