Heliotrope vs Parrot's Feather Plant Comparison

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

Heliotrope

Heliotrope

Heliotropium arborescens

VS
Parrot's Feather

Parrot's Feather

Myriophyllum aquaticum

Heliotrope

Heliotrope

Heliotropium arborescens

Heliotropium arborescens, commonly known as Heliotrope, is a tender perennial shrub typically grown as an annual in cooler climates. It's prized for its intensely fragrant, vanilla-scented flowers, which are usually a deep purple or blue, though cultivars with white or pink flowers exist. The plant has a bushy growth habit and can reach a height of 1-4 feet. While it can be grown indoors, it requires very bright light and consistent care to thrive. People grow it for its beautiful, fragrant flowers that attract pollinators.

Boraginaceae Peru
✨ Features: Intensely fragrant, vanilla-scented flowers that attract pollinators.
📖 Read Complete Heliotrope 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 Heliotrope 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 2-5 days, depending on temperature and humidity Daily to keep soil saturated
Humidity 40-60% 60-90%
Temperature 18-24°C 15-27°C
Care Level Expert Expert
Growth Rate Moderate Fast
Max Height 0.3-1.2 meters (1-4 feet) indoors, smaller than outdoor growth Up to 30 cm (12 inches) above water surface
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining potting mix, such as a mix of peat moss, perlite, and vermiculite. 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

Heliotrope

Scientific Name Heliotropium arborescens
Family Boraginaceae
Native To Peru
Also Known As Heliotrope, Cherry Pie Plant
Leaves The leaves are ovate to lance-shaped, usually dark green, and have a slightly rough texture. They are typically 2-4 inches long and arranged alternately along the stems.
Flowers Heliotrope can flower indoors if provided with sufficient light, but flowering is more prolific outdoors. The flowers are small, clustered in rounded or flat-topped cymes, and typically deep purple or blue, though white and pink cultivars exist. The fragrance is strong and vanilla-like.

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

Heliotrope

Height 0.3-1.2 meters (1-4 feet) indoors, smaller than outdoor growth
Spread 0.3-0.6 meters (1-2 feet)
Growth Rate Moderate
Growth Pattern Heliotrope has a bushy, upright growth habit. It can be pruned to maintain a compact shape or allowed to grow more freely.

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

Heliotrope

Methods: Stem cuttings, Seed

Difficulty: Moderate

Tips: Take stem cuttings in spring or early summer. Dip the cut end in rooting hormone and plant in moist potting mix. Keep the cuttings in a warm, humid environment until roots develop. Seeds can be sown indoors 6-8 weeks before the last frost.

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

Heliotrope

The most unique characteristic is its intensely fragrant, vanilla-like scent. The flowers also exhibit heliotropism, turning to face the sun throughout the day, though this is less pronounced in some cultivars.

  • ✓ Fragrant flowers enhance the ambiance of a room.
  • ✓ Attracts pollinators to outdoor gardens.
  • ✓ Provides a visually appealing display of purple or blue flowers.
  • ✓ Can be used in cut flower arrangements.
  • ✓ Offers a rewarding challenge 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

Heliotrope

Repotting Repot annually in spring if the plant becomes root-bound.
Pruning Pinch back stems regularly to encourage bushier growth and more flowers. Remove spent flowers to prolong blooming.
Fertilizing Balanced liquid fertilizer (10-10-10) diluted to half strength, every 2-4 weeks during the growing season (spring and summer).
Seasonal Care In winter, reduce watering and fertilization. Provide as much light as possible. In summer, water more frequently and fertilize regularly. Prune after flowering to encourage bushier growth.

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

Heliotrope

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

Heliotrope

Water thoroughly when the top inch of soil feels dry to the touch. Avoid overwatering, which can lead to root rot. Allow the soil to drain completely after watering. Signs of underwatering include wilting leaves, while overwatering can cause yellowing leaves and stem rot.

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

Heliotrope

Temperature: 18-24°C

Humidity: 40-60%

Parrot's Feather

Temperature: 15-27°C

Humidity: 60-90%

🤔 Which Plant Is Right For You?

Heliotrope

Heliotrope

Heliotropium arborescens
Care: Expert Time: 30 minutes weekly Beginner: No

Experienced gardeners who can provide ample sunlight and consistent care.

✅ Choose This Plant If...

  • You desire intensely fragrant flowers that fill a room with a vanilla scent.
  • You have a very sunny location, such as a sunroom or greenhouse, to provide ample light.
  • You are an experienced gardener comfortable with managing pests and diseases.
  • You want to attract pollinators like butterflies and bees to your outdoor space.
  • You enjoy the challenge of growing plants that are not typically suited for indoor environments.

❌ Skip This Plant If...

  • You have pets that may ingest the plant, as it is toxic to them.
  • You cannot provide at least 6 hours of direct sunlight daily.
  • You are a beginner gardener looking for an easy-to-care-for houseplant.
📍 Ideal Location: South-facing window or sunroom with ample sunlight.
🎨 Style: Traditional, Cottage, Romantic
🏠 Apartment Friendly: Limited
⚠️ Toxic to dogs, cats, and horses. Contains pyrrolizidine alkaloids. Symptoms include liver failure, vomiting, diarrhea, and photosensitization. All parts of the plant are toxic.
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

📈

Heliotrope has moderate growth, while Parrot's Feather grows fast.

💡 Pro Tips For Comparing These Plants

Heliotrope Care Tips

Heliotrope is challenging to grow indoors due to its high light requirements and susceptibility to pests. It needs consistent watering, fertilization, and pruning to maintain its shape. Providing adequate sunlight is crucial for flowering. It is best suited for outdoor gardens or greenhouses.

  • Provide at least 6 hours of direct sunlight daily; supplement with grow lights if necessary.
  • Water thoroughly when the top inch of soil feels dry, but avoid overwatering.
  • Fertilize regularly during the growing season with a balanced liquid fertilizer.
  • Prune regularly to encourage bushier growth and more flowers.
  • Monitor for pests and diseases and treat promptly.
❄️ Winter: Reduce watering frequency during the winter months. Provide as much light as possible, supplementing with grow lights if needed. Maintain a temperature above 10°C. Avoid fertilizing during the winter dormancy period.
☀️ Summer: Water more frequently during the summer months, especially during hot weather. Fertilize regularly to support blooming. Provide some afternoon shade in extremely hot climates to prevent leaf scorch.

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

Heliotrope

Common Issues: Aphids, spider mites, whiteflies, root rot
Solutions: For aphids, spider mites, and whiteflies, use insecticidal soap or neem oil. For root rot, improve drainage and reduce watering frequency.

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

Heliotrope

What are the light requirements for Heliotrope?

Heliotrope flourishes in bright, indirect sunlight. While it can tolerate some direct morning sun, avoid harsh afternoon sun which can scorch the leaves. An east-facing window is often ideal. Insufficient light can lead to leggy growth and reduced flowering. Rotate the plant regularly to ensure even light exposure on all sides, preventing it from leaning excessively towards the light source. If natural light is limited, supplement with grow lights to provide the necessary intensity for healthy growth and abundant blooms. Observe the plant for signs of stress, such as pale leaves or stretched stems, which may indicate insufficient light.

How do I care for Heliotrope?

Heliotrope thrives in well-draining soil and requires regular watering, allowing the top inch of soil to dry out between waterings. Provide bright, indirect sunlight, preferably with some direct morning sun. Fertilize every 2-3 weeks during the growing season (spring and summer) with a balanced liquid fertilizer diluted to half strength to encourage blooming. Prune regularly to maintain shape and promote bushier growth. Deadhead spent flowers to encourage further blooming. Protect from frost as Heliotrope is sensitive to cold temperatures. Ensure good air circulation to prevent fungal diseases. Repot annually in spring to refresh the soil. Monitor for pests like aphids and spider mites and treat promptly. Maintain moderate humidity levels.

How do I propagate Heliotrope?

Heliotrope 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. Plant the cuttings in a well-draining potting mix. Keep the soil moist and provide bright, indirect light. Rooting typically occurs in 4-6 weeks. Once rooted, transplant the cuttings into individual pots. Division is also possible with established plants, carefully separating the root ball in spring. While Heliotrope does not produce keikis, stem cuttings are the most effective propagation method. Ensure humidity is high during rooting.

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 1, 2026 — Plant care data reviewed and verified by our editorial team.