Kale vs Parrot's Feather Plant Comparison

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

Kale

Kale

Brassica oleracea var. sabellica

VS
Parrot's Feather

Parrot's Feather

Myriophyllum aquaticum

Kale

Kale

Brassica oleracea var. sabellica

Kale is a leafy green vegetable belonging to the cabbage family. It's characterized by its curly or frilly leaves, which can range in color from dark green to purple. Kale is primarily grown outdoors as a cool-season crop, thriving in gardens and farms. People grow kale for its nutritional value, as it's packed with vitamins and minerals. It's a versatile vegetable used in salads, smoothies, soups, and as a cooked side dish. While technically possible to grow indoors, it requires very bright light and cool temperatures to thrive, making it challenging for most home environments.

Brassicaceae Eastern Mediterranean and Asia Minor
✨ Features: High nutritional value, cold-hardy
📖 Read Complete Kale 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 Kale Parrot's Feather
Light Full sun (at least 6-8 hours of direct sunlight daily) Full sun to partial shade
Watering Every 2-5 days, depending on weather and soil drainage Daily to keep soil saturated
Humidity 40-60% 60-90%
Temperature 10-24°C 15-27°C
Care Level Expert Expert
Growth Rate Moderate Fast
Max Height 30-60 cm (outdoors) Up to 30 cm (12 inches) above water surface
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining, fertile soil rich in organic matter 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 (weeding, watering, pest control) 30 minutes weekly to control spread and remove debris.

🔬 Botanical Information — Comparing These Plants

Kale

Scientific Name Brassica oleracea var. sabellica
Family Brassicaceae
Native To Eastern Mediterranean and Asia Minor
Also Known As Kale, Borecole
Leaves Kale leaves vary in shape and texture depending on the variety. They can be curly, frilly, or flat, and range in color from dark green to purple. The leaves are typically large, ranging from 15-30 cm in length, and have a slightly waxy texture.
Flowers Kale will flower if allowed to bolt (go to seed), producing small, yellow flowers similar to other members of the Brassica family. Flowering is more common in the second year of growth or when exposed to prolonged periods of heat. 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

Kale

Height 30-60 cm (outdoors)
Spread 30-60 cm
Growth Rate Moderate
Growth Pattern Kale grows upright with a rosette of leaves emerging from a central stem. The leaves can be curly, frilly, or flat, depending on the variety. It typically grows to a height of 30-60 cm.

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

Kale

Methods: Seed

Difficulty: Easy

Tips: Start seeds indoors 6-8 weeks before the last frost or direct sow outdoors after the last frost. Ensure proper soil moisture and temperature for germination.

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

Kale

Kale is known for its ruffled leaves and cold hardiness, allowing it to be grown in cooler climates. It's also a highly nutritious vegetable, making it a popular choice for health-conscious individuals. Its ability to withstand frost allows for late-season harvests.

  • ✓ High in vitamins A, C, and K
  • ✓ Good source of fiber
  • ✓ Rich in antioxidants
  • ✓ Supports healthy digestion
  • ✓ Adds visual appeal to a vegetable garden
  • ⚠️ 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

Kale

Repotting Not applicable, as it's typically grown directly in the ground outdoors. If grown in a container, repotting may be needed if the plant becomes root-bound.
Pruning Remove yellowing or damaged leaves to encourage new growth.
Fertilizing Balanced fertilizer (10-10-10) every 4-6 weeks during the growing season, diluted to half strength
Seasonal Care Spring/Summer: Consistent watering and fertilization. Fall/Winter: Harvest before heavy frost, protect from extreme cold.

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

Kale

Full sun (at least 6-8 hours of direct sunlight daily)

Low light tolerant: ❌ No

Parrot's Feather

Full sun to partial shade

Low light tolerant: ❌ No

💧 Watering Needs

Kale

Water deeply when the top inch of soil feels dry. Avoid overwatering, which can lead to root rot. Check soil moisture regularly, especially during hot weather. Signs of underwatering include wilting leaves, while overwatering can cause yellowing and mushy leaves.

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

Kale

Temperature: 10-24°C

Humidity: 40-60%

Parrot's Feather

Temperature: 15-27°C

Humidity: 60-90%

🤔 Which Plant Is Right For You?

Kale

Kale

Brassica oleracea var. sabellica
Care: Expert Time: 30 minutes weekly (weeding, watering, pest control) Beginner: No

Gardeners with outdoor space and a desire for a nutritious leafy green vegetable.

✅ Choose This Plant If...

  • You have a sunny outdoor garden space.
  • You want a highly nutritious leafy green vegetable.
  • You live in a region with cool growing seasons.
  • You enjoy cooking with versatile vegetables.
  • You are experienced with managing garden pests and diseases.

❌ Skip This Plant If...

  • You lack a sunny outdoor space.
  • You are looking for an easy-to-grow indoor plant.
  • You have pets that are prone to eating plants.
  • You live in a very hot climate where kale struggles to grow.
  • You dislike the taste of kale.
📍 Ideal Location: Outdoor garden or raised bed with full sun exposure
🎨 Style: Rustic, Cottage garden, Farmhouse
🏠 Apartment Friendly: No
⚠️ Kale contains isothiocyanates, which can cause gastrointestinal irritation in dogs, cats, and horses if consumed in large quantities. Symptoms include vomiting, diarrhea, and abdominal discomfort. According to the ASPCA, plants in the Brassica genus 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

☀️

Kale needs full sun (at least 6-8 hours of direct sunlight daily), while Parrot's Feather prefers full sun to partial shade.

📈

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

💡 Pro Tips For Comparing These Plants

Kale Care Tips

Kale is primarily an outdoor plant that requires full sun and cool temperatures to thrive. Growing it indoors is challenging due to the need for intense light and specific temperature conditions. It's susceptible to pests and diseases, requiring vigilant monitoring and treatment. Indoor growth is often stunted and less productive compared to outdoor cultivation.

  • Provide consistent watering, especially during dry periods.
  • Fertilize regularly with a balanced fertilizer.
  • Monitor for pests and diseases and treat promptly.
  • Harvest leaves regularly to encourage continued growth.
  • Protect from extreme cold or heat.
❄️ Winter: Protect kale from extreme cold with row covers or mulch. Reduce watering during dormancy. Harvest leaves as needed throughout the winter.
☀️ Summer: Provide shade during the hottest part of the day to prevent bolting. Ensure consistent watering to prevent stress. Monitor for pests and diseases, which are more prevalent in warm weather.

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

Kale

Common Issues: Aphids, cabbage worms, clubroot, bolting
Solutions: Aphids: Insecticidal soap or neem oil. Cabbage worms: Handpick or use Bacillus thuringiensis (Bt). Clubroot: Improve soil drainage and pH. Bolting: Provide shade and consistent watering.

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

Kale

What are the light requirements for Kale?

Flowering Kale requires ample sunlight to develop its vibrant colors. Aim for at least 6 hours of direct sunlight per day, especially during the fall and winter months when sunlight is less intense. Insufficient light will result in faded colors and leggy growth.

How do I care for Kale?

Flowering Kale thrives with consistent care. Plant in well-draining soil, preferably a slightly acidic to neutral pH (6.0-7.0). Provide at least 6 hours of sunlight daily, more is better, especially in fall and winter. Water regularly, keeping the soil consistently moist but not waterlogged. Fertilize every 2-3 weeks with a balanced liquid fertilizer, especially during active growth and bloom.

How do I propagate Kale?

Flowering Kale is primarily grown from seed, but propagation through stem cuttings is possible, though less common. Division is not typically practiced with Flowering Kale.

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 10, 2026 — Plant care data reviewed and verified by our editorial team.