Golden Trumpet vs Parrot's Feather Plant Comparison

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

Golden Trumpet

Golden Trumpet

Allamanda cathartica

VS
Parrot's Feather

Parrot's Feather

Myriophyllum aquaticum

Golden Trumpet

Golden Trumpet

Allamanda cathartica

Allamanda cathartica, commonly known as Golden Trumpet, is a tropical shrub or vine prized for its vibrant, trumpet-shaped yellow flowers. It's native to Brazil and thrives in warm, humid climates. Outdoors, it can grow into a sprawling shrub or climb as a vine, reaching several feet in height. The glossy, green leaves provide a lush backdrop for the profuse blooms that appear throughout the warmer months. While often grown outdoors in tropical and subtropical regions, it can be challenging to maintain indoors due to its high light and humidity requirements. People grow it for its showy flowers and tropical appeal.

Apocynaceae Brazil
✨ Features: Showy, trumpet-shaped yellow flowers.
📖 Read Complete Golden Trumpet Guide
Parrot's Feather

Parrot's Feather

Myriophyllum aquaticum

Parrot's Feather is an aquatic perennial plant characterized by its feathery, bright green leaves that emerge both above and below the water surface. Submerged leaves are typically reddish. It spreads rapidly through rhizomes, forming dense mats. While sometimes grown in aquariums or water gardens for its ornamental value and ability to oxygenate water, it's primarily an outdoor plant. It is considered an invasive species in many regions due to its aggressive growth and ability to outcompete native vegetation. Its emergent stems can reach up to a foot above the water.

Haloragaceae South America
✨ Features: Oxygenates water, provides habitat for aquatic life, ornamental foliage
📖 Read Complete Parrot's Feather Guide

Quick Plant Comparison

Feature Golden Trumpet Parrot's Feather
Light Full sun to partial shade. Requires at least 6 hours of direct sunlight daily for optimal flowering. Full sun to partial shade
Watering Every 3-7 days, depending on environmental conditions and pot size. Check soil moisture regularly. Daily to keep soil saturated
Humidity 60-80% 60-90%
Temperature 21-27°C 15-27°C
Care Level Expert Expert
Growth Rate Fast Fast
Max Height Indoors: 1-2 meters (if supported). Outdoors: up to 6 meters. Up to 30 cm (12 inches) above water surface
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining potting mix with added perlite or sand. Heavy clay or loam soil that retains moisture well. Can also be grown directly in water.
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 30 minutes weekly 30 minutes weekly to control spread and remove debris.

🔬 Botanical Information — Comparing These Plants

Golden Trumpet

Scientific Name Allamanda cathartica
Family Apocynaceae
Native To Brazil
Also Known As Golden Trumpet, Yellow Allamanda, Common Allamanda
Leaves The leaves are glossy, dark green, and oval-shaped, with a pointed tip. They are arranged in whorls of three or four along the stems. The leaves are typically 10-15 cm long.
Flowers It rarely flowers indoors unless provided with very bright light and warm temperatures. Outdoors, it produces abundant, trumpet-shaped yellow flowers that are 7-10 cm in diameter.

Parrot's Feather

Scientific Name Myriophyllum aquaticum
Family Haloragaceae
Native To South America
Also Known As Parrotfeather, Parrot's-feather, Brazilian watermilfoil
Leaves Submerged leaves are finely divided and reddish-green. Emergent leaves are bright green, lance-shaped, and arranged in whorls around the stem, resembling feathers. Leaves are typically 2-5 cm long.
Flowers Rarely flowers, especially in cultivation. Flowers are small, inconspicuous, and white, appearing in the leaf axils.

📏 Size & Growth — Plant Comparison

Golden Trumpet

Height Indoors: 1-2 meters (if supported). Outdoors: up to 6 meters.
Spread Indoors: 0.5-1 meter. Outdoors: up to 3 meters.
Growth Rate Fast
Growth Pattern It can grow as a sprawling shrub or climb as a vine, depending on how it is pruned and supported. It has a fast growth rate and can quickly fill in a space.

Parrot's Feather

Height Up to 30 cm (12 inches) above water surface
Spread Spreads aggressively via rhizomes, forming dense mats
Growth Rate Fast
Growth Pattern Spreads horizontally via rhizomes, forming dense mats. Emergent stems grow upwards, creating a feathery appearance above the water surface.

🌱 Propagation — Comparing Plant Growth

Golden Trumpet

Methods: Stem cuttings, Seed

Difficulty: Moderate

Tips: Take stem cuttings in spring or summer. Use rooting hormone and keep the cuttings in a warm, humid environment. Seeds can be sown in spring after soaking them in water for 24 hours.

Parrot's Feather

Methods: Stem cuttings, division of rhizomes

Difficulty: Easy

Tips: Take stem cuttings with at least 2-3 nodes. Place cuttings in water or directly into moist soil. Rhizome divisions can be planted directly into the desired location.

✨ Benefits & Features — Comparing Plant Value

Golden Trumpet

The Golden Trumpet is known for its large, showy, trumpet-shaped yellow flowers that bloom profusely throughout the warm season. Its glossy green leaves provide a lush backdrop for the vibrant blooms, making it a standout plant in any garden or landscape. It can be grown as a shrub or trained as a vine.

  • ✓ Adds vibrant color to gardens and landscapes.
  • ✓ Attracts pollinators like butterflies and hummingbirds.
  • ✓ Provides a tropical aesthetic.
  • ✓ Can be used as a privacy screen or hedge in warm climates.
  • ✓ Offers a sense of accomplishment for experienced gardeners.
  • ⚠️ Toxic to pets

Parrot's Feather

Parrot's Feather is unique due to its ability to grow both submerged and emergent, with distinct leaf forms in each environment. Its feathery foliage and rapid growth make it a visually striking but potentially problematic addition to aquatic ecosystems.

  • ✓ Oxygenates water, improving water quality.
  • ✓ Provides habitat for small aquatic animals.
  • ✓ Adds a unique texture and visual appeal to water gardens.
  • ✓ Can help to reduce algae growth by competing for nutrients.
  • ✓ Offers a natural, calming aesthetic.
  • ⚠️ Toxic to pets

📅 Maintenance Schedule — Plant Care Comparison

Golden Trumpet

Repotting Repot every 1-2 years in spring, or when the plant becomes root-bound.
Pruning Prune regularly to maintain shape and encourage bushier growth. Remove dead or damaged branches.
Fertilizing Balanced liquid fertilizer (20-20-20) diluted to half strength, every 2-4 weeks during the growing season (spring and summer).
Seasonal Care In winter, reduce watering and fertilization. Provide bright light and maintain warm temperatures. In summer, water more frequently and fertilize regularly to encourage flowering.

Parrot's Feather

Repotting Not typically repotted, but rhizomes may need to be divided and replanted to control spread.
Pruning Regular pruning is essential to control its aggressive growth and maintain desired shape.
Fertilizing Slow-release aquatic plant fertilizer or liquid fertilizer diluted to half strength, applied monthly during the growing season (spring and summer).
Seasonal Care In winter, growth slows down. Reduce fertilization. In colder climates, protect from freezing temperatures. In summer, ensure adequate water levels and sunlight.

🌞 Light Requirements

Golden Trumpet

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

Low light tolerant: ❌ No

Parrot's Feather

Full sun to partial shade

Low light tolerant: ❌ No

💧 Watering Needs

Golden Trumpet

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

Parrot's Feather

Requires consistently moist to wet conditions. If grown in a container, ensure the soil is always saturated. For outdoor ponds or water gardens, it naturally thrives in water. Overwatering is not a concern, but allowing the soil to dry out will cause the plant to suffer. Signs of underwatering include wilting and browning of leaves.

🌡️ Temperature & Humidity

Golden Trumpet

Temperature: 21-27°C

Humidity: 60-80%

Parrot's Feather

Temperature: 15-27°C

Humidity: 60-90%

🤔 Which Plant Is Right For You?

Golden Trumpet

Golden Trumpet

Allamanda cathartica
Care: Expert Time: 30 minutes weekly Beginner: No

Experienced gardeners in tropical or subtropical climates who want a showy, flowering plant for their garden or greenhouse.

✅ Choose This Plant If...

  • You live in a tropical climate and want a vibrant, flowering shrub for your garden.
  • You have a greenhouse or conservatory where you can provide high light and humidity.
  • You are an experienced gardener who enjoys a challenge.
  • You want a plant that attracts butterflies and hummingbirds.
  • You appreciate bold, tropical aesthetics.

❌ Skip This Plant If...

  • You have pets or small children who might ingest the plant.
  • You live in a cold climate with limited sunlight.
  • You are a beginner gardener looking for an easy-to-care-for houseplant.
📍 Ideal Location: Outdoors in a sunny garden or patio in warm climates. Indoors, a bright sunroom or greenhouse is best.
🎨 Style: Tropical, Bohemian, Eclectic
🏠 Apartment Friendly: No
⚠️ All parts of the plant are toxic to dogs, cats, and horses. Symptoms include vomiting, diarrhea, and skin irritation. The milky sap contains toxic compounds.
Parrot's Feather

Parrot's Feather

Myriophyllum aquaticum
Care: Expert Time: 30 minutes weekly to control spread and remove debris. Beginner: No

Those with outdoor ponds, water gardens, or large aquariums who are aware of its invasive potential.

✅ Choose This Plant If...

  • You have a pond or water garden and want an oxygenating plant.
  • You are looking for a plant that can provide habitat for aquatic life.
  • You understand its invasive potential and are prepared to manage its growth.
  • You have a very bright, sunny location to provide adequate light.
  • You enjoy the unique feathery texture of its foliage.

❌ Skip This Plant If...

  • You are looking for an easy-to-care-for indoor plant.
  • You do not have a pond or water garden.
  • You are concerned about invasive species.
  • You have pets that might ingest the plant.
  • You cannot provide consistently wet conditions.
📍 Ideal Location: Outdoor pond, water garden, or very large, bright aquarium.
🎨 Style: Naturalistic, Pond, Cottagecore
🏠 Apartment Friendly: No
⚠️ According to the ASPCA, Myriophyllum species contain compounds that can be toxic to dogs, cats, and horses. Symptoms may include gastrointestinal upset (vomiting, diarrhea), skin irritation, and photosensitization.

🎯 Quick Verdict

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

⚡ Key Differences Between These Plants

🌿

Both plants have similar basic care requirements but differ in appearance and specific needs. Compare plants carefully to find the best fit for your space.

💡 Pro Tips For Comparing These Plants

Golden Trumpet Care Tips

Golden Trumpet is primarily an outdoor plant that requires high light, humidity, and warm temperatures. Growing it indoors is challenging and requires significant effort to replicate its natural environment. It needs regular pruning and fertilization to maintain its shape and encourage flowering. Due to its toxicity, keep it away from pets and children.

  • Provide a trellis or support structure if you want it to grow as a vine.
  • Prune regularly to maintain its shape and encourage flowering.
  • Protect from frost and cold temperatures.
  • Water deeply but allow the soil to dry slightly between waterings.
  • Fertilize regularly during the growing season.
❄️ Winter: Reduce watering and fertilization during the winter months. Protect from frost and cold temperatures. Provide bright light if grown indoors.
☀️ Summer: Water more frequently during the summer months, especially during hot, dry weather. Fertilize regularly to encourage flowering. Provide some shade during the hottest part of the day in extremely hot climates.

Parrot's Feather Care Tips

Parrot's Feather is primarily an outdoor aquatic plant and requires very specific conditions to thrive indoors. It needs intense light, constant moisture, and high humidity. It is an aggressive spreader, so containment is crucial. Indoor growth is challenging and often unsuccessful.

  • Provide ample sunlight to prevent leggy growth.
  • Regularly prune to control its spread and maintain shape.
  • Monitor water quality and adjust as needed.
  • Fertilize during the growing season to promote healthy growth.
  • Consider using a floating barrier to contain its spread in larger ponds.
❄️ Winter: Growth slows significantly in winter. Reduce fertilization. In colder climates, protect from freezing temperatures by moving to a sheltered location or providing insulation.
☀️ Summer: Ensure adequate water levels and sunlight. Monitor for algae growth and address as needed. Prune regularly to control spread.

⚠️ Common Problems & Solutions — Plant Care Comparison

Golden Trumpet

Common Issues: Spider mites, Aphids, Root rot, Lack of flowering
Solutions: Spider mites/Aphids: Treat with insecticidal soap or neem oil. Root rot: Improve drainage and reduce watering frequency. Lack of flowering: Increase light exposure and fertilize regularly.

Parrot's Feather

Common Issues: Algae growth, yellowing leaves, invasive spread, nutrient deficiencies
Solutions: Control algae with appropriate algaecides or by manually removing it. Yellowing leaves may indicate nutrient deficiencies; fertilize accordingly. Contain spread by using barriers or regularly pruning. Ensure proper water quality to prevent nutrient imbalances.

❓ Frequently Asked Questions — Comparing These Plants

Golden Trumpet

What are the light requirements for Golden Trumpet?

Golden Trumpet thrives in bright, indirect sunlight. Direct sunlight can scorch the leaves, especially during the hottest part of the day. An east-facing window is ideal, providing gentle morning sun. A south- or west-facing window can also work, but be sure to filter the light with a sheer curtain. Insufficient light can lead to leggy growth and reduced flowering. Rotate the plant regularly to ensure even light exposure on all sides. If natural light is insufficient, supplement with grow lights. During the winter months, when daylight hours are shorter, providing supplemental light is particularly important. Observe the plant for signs of light stress, such as pale leaves or stunted growth, and adjust its location accordingly.

How do I care for Golden Trumpet?

Golden Trumpet requires bright, indirect sunlight to thrive and produce abundant blooms. Water thoroughly when the top inch of soil feels dry, but avoid overwatering to prevent root rot. Use well-draining soil rich in organic matter. Fertilize regularly during the growing season (spring and summer) with a balanced fertilizer, switching to a bloom-boosting fertilizer as flowering approaches. Prune regularly to maintain shape and encourage bushier growth and more blooms. Provide support if growing as a vine. Maintain humidity levels around 50-60%. Protect from frost and temperatures below 50°F (10°C). Repot every 1-2 years as needed. Monitor for pests and diseases and treat promptly. Ensure good air circulation to prevent fungal issues. Reduce watering and fertilization during the dormant season (fall and winter). Provide adequate space for the plant to grow, considering its potential size.

How do I propagate Golden Trumpet?

Golden Trumpet can be 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 moist and provide bright, indirect light. Cover with a plastic bag or humidity dome to increase humidity. Roots should develop in 4-6 weeks. Division is possible for established plants during repotting, carefully separating the root ball. Keiki propagation is rare, but aerial roots can sometimes be encouraged by wrapping a moist sphagnum moss around a node.

Parrot's Feather

What are the light requirements for Parrot's Feather?

Parrot’s Feather requires ample light to flourish. Ideally, it should receive at least 6 hours of direct sunlight per day, or bright indirect light. Insufficient light can lead to leggy growth and reduced vibrant color. When growing in aquariums, use full-spectrum LED lighting specifically designed for aquatic plants. Position the plant where it receives the most light, but be mindful of potential algae growth caused by excessive light. Adjust light intensity and duration based on the plant’s response. For outdoor ponds, ensure the plant is not overly shaded.

How do I care for Parrot's Feather?

Parrot’s Feather thrives in full sun to partial shade. Ensure at least 6 hours of sunlight daily for optimal growth. Maintain water temperatures between 60-80°F (15-27°C). Water should be clean and well-oxygenated. Regularly prune to control growth and prevent overcrowding. Fertilize with a liquid aquatic plant fertilizer every 2-4 weeks during the growing season (spring and summer). Monitor for pests like aphids and snails. If growing in a container, use a nutrient-rich aquatic soil. For submerged growth, provide sufficient light and carbon dioxide. Change the water regularly to prevent algae buildup. Good water circulation is crucial.

How do I propagate Parrot's Feather?

Parrot’s Feather is easily propagated through cuttings. Simply cut a healthy stem section, about 4-6 inches long, and remove the lower leaves. You can propagate in water or directly in moist substrate.

Last updated: May 3, 2026 — Plant care data reviewed and verified by our editorial team.