Arum vs Parrot's Feather Plant Comparison

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

Arum

Arum

Arum italicum

VS
Parrot's Feather

Parrot's Feather

Myriophyllum aquaticum

Arum

Arum

Arum italicum

Arum italicum is a tuberous herbaceous perennial known for its striking foliage and distinctive spadix and spathe flower structure. It emerges in the fall with arrow-shaped leaves, often beautifully veined in white or cream. The plant goes dormant in the summer. It is primarily an outdoor plant, thriving in woodland conditions. While it can be grown indoors, it requires very specific conditions to mimic its natural habitat. People grow it for its attractive foliage and unique flower structure.

Araceae Mediterranean region, from Portugal and Morocco to Turkey and Crimea
✨ Features: Attractive foliage with distinctive veining, unique flower structure.
📖 Read Complete Arum 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 Arum Parrot's Feather
Light Partial to full shade outdoors. Indoors, requires very bright, indirect light, ideally a north-facing window or under grow lights. Full sun to partial shade
Watering Every 10-14 days during growing season, much less frequently during dormancy. Daily to keep soil saturated
Humidity 40-60% 60-90%
Temperature 10-21°C 15-27°C
Care Level Expert Expert
Growth Rate Moderate Fast
Max Height Indoors: 30-60 cm Up to 30 cm (12 inches) above water surface
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining, humus-rich soil. A mix of potting soil, peat moss, and perlite is suitable. Heavy clay or loam soil that retains moisture well. Can also be grown directly in water.
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 15 minutes weekly during growing season, 5 minutes during dormancy. 30 minutes weekly to control spread and remove debris.

🔬 Botanical Information — Comparing These Plants

Arum

Scientific Name Arum italicum
Family Araceae
Native To Mediterranean region, from Portugal and Morocco to Turkey and Crimea
Also Known As Italian Arum, Italian Lords-and-Ladies, Painted Arum
Leaves The leaves are arrow-shaped, typically 20-30 cm long, and often feature prominent white or cream-colored veins. The texture is smooth and slightly waxy.
Flowers Arum italicum produces a spadix and spathe flower structure. The spathe is a creamy-white or greenish-white hood-like structure that surrounds the spadix, a fleshy spike covered in tiny flowers. It rarely flowers indoors.

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

Arum

Height Indoors: 30-60 cm
Spread 30-45 cm, spreads via tubers
Growth Rate Moderate
Growth Pattern Arum italicum grows from a tuber, producing arrow-shaped leaves in the fall. It flowers in the spring, followed by the development of bright red berries in the fall. The plant goes dormant in the summer.

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

Arum

Methods: Division of tubers, Seed

Difficulty: Moderate

Tips: Divide tubers in late summer or early fall. Sow seeds in the fall after the berries have ripened. Ensure good drainage when planting.

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

Arum

Arum italicum is unique for its winter foliage, which appears after most plants have lost their leaves. Its distinctive spadix and spathe flower structure also set it apart from other plants.

  • ✓ Unique and striking appearance.
  • ✓ Adds visual interest to shady areas.
  • ✓ Can be a conversation starter.
  • ✓ Provides a touch of the Mediterranean landscape.
  • ✓ Offers a seasonal display of foliage and berries.
  • ⚠️ 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

Arum

Repotting Repot every 2-3 years in late summer or early fall when the plant is dormant.
Pruning Remove spent flower stalks and yellowing leaves.
Fertilizing Balanced liquid fertilizer (10-10-10) diluted to half strength, applied monthly during the growing season.
Seasonal Care Fall: Active growth begins, increase watering and fertilizing. Winter: Continue watering as needed. Spring: Flowering occurs. Summer: Dormancy, reduce watering significantly.

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

Arum

Partial to full shade outdoors. Indoors, requires very bright, indirect light, ideally a north-facing window or under grow lights.

Low light tolerant: ❌ No

Parrot's Feather

Full sun to partial shade

Low light tolerant: ❌ No

💧 Watering Needs

Arum

Water thoroughly when the top inch of soil is dry during the growing season (fall to spring). Reduce watering significantly during dormancy (summer). Overwatering can lead to tuber rot. Underwatering will cause the leaves to wilt and brown.

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

Arum

Temperature: 10-21°C

Humidity: 40-60%

Parrot's Feather

Temperature: 15-27°C

Humidity: 60-90%

🤔 Which Plant Is Right For You?

Arum

Arum

Arum italicum
Care: Expert Time: 15 minutes weekly during growing season, 5 minutes during dormancy. Beginner: No

Experienced gardeners who want a unique plant and can provide the specific conditions it needs.

✅ Choose This Plant If...

  • You appreciate unique foliage and a striking plant structure.
  • You can provide a cool, dormant period in the summer.
  • You are an experienced gardener comfortable with challenging plants.
  • You have a shady spot in your garden or can mimic those conditions indoors.
  • You are prepared to handle a toxic plant and keep it away from pets and children.

❌ Skip This Plant If...

  • You have pets or small children who might ingest the plant.
  • You are a beginner gardener.
  • You cannot provide a cool, dormant period.
  • You don't have a bright, indirect light source.
  • You prefer low-maintenance plants.
📍 Ideal Location: Bright, indirect light near a north-facing window. A cool basement or garage during dormancy.
🎨 Style: Woodland, Cottagecore, Eclectic
🏠 Apartment Friendly: Limited
⚠️ All parts of the plant, especially the berries and tubers, contain calcium oxalate crystals. These can cause oral irritation, excessive drooling, vomiting, and difficulty swallowing in dogs, cats, and horses. Contact with sap can cause skin irritation.
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

📈

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

💡 Pro Tips For Comparing These Plants

Arum Care Tips

Arum italicum is primarily an outdoor plant and requires expert care to thrive indoors. It needs specific light, temperature, and dormancy conditions. It is toxic to pets. Indoor cultivation is challenging due to its seasonal growth cycle and need for a cool, dormant period.

  • Provide a cool, dry dormant period in the summer by reducing watering significantly and keeping the plant in a cooler location.
  • Ensure excellent drainage to prevent tuber rot.
  • Fertilize regularly during the growing season with a balanced liquid fertilizer.
  • Monitor for pests like aphids and spider mites and treat promptly.
  • Wear gloves when handling the plant to avoid skin irritation from the sap.
❄️ Winter: Continue watering as needed, but avoid overwatering. Ensure the plant receives adequate light. Protect from frost if grown outdoors.
☀️ Summer: Reduce watering significantly during dormancy. Keep the plant in a cool, dry location. Avoid direct sunlight.

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

Arum

Common Issues: Tuber rot, Leaf spot, Aphids, Spider mites
Solutions: Tuber rot: Ensure well-draining soil and avoid overwatering. Leaf spot: Improve air circulation and treat with a fungicide. Aphids/Spider mites: Treat with insecticidal soap or neem oil.

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

Arum

What are the light requirements for Arum?

Arum plants thrive best in bright, indirect light. Direct sunlight can scorch the leaves, so avoid placing them in areas with intense midday sun. An east-facing window is often ideal, providing gentle morning light. If you only have south or west-facing windows, filter the light with sheer curtains or blinds. Insufficient light can result in leggy growth and reduced flowering. Rotate the plant regularly to ensure even light exposure on all sides. During the darker months, consider supplementing with artificial grow lights to maintain healthy growth. Observe the plant’s foliage; if the leaves appear pale or stretched, it’s a sign that it needs more light.

How do I care for Arum?

Arum plants prefer bright, indirect light but can tolerate some shade. Water thoroughly when the top inch of soil feels dry to the touch, ensuring good drainage to prevent root rot. Fertilize monthly during the growing season (spring and summer) with a balanced liquid fertilizer diluted to half strength. Reduce watering and fertilization during the dormant period in fall and winter. Maintain moderate humidity, especially indoors. Repot every 1-2 years in spring, using a well-draining potting mix. Prune away any yellowing or dead leaves to encourage healthy growth. Protect from frost as Arum is not cold hardy. Monitor for pests such as aphids or spider mites and treat accordingly. Proper air circulation is essential to prevent fungal diseases.

How do I propagate Arum?

Arum can be propagated through division, stem cuttings, or from bulb offsets (keikis).

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 6, 2026 — Plant care data reviewed and verified by our editorial team.