Kangaroo Paw vs Nasturtium Tropaeolum Plant Comparison

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

Kangaroo Paw

Kangaroo Paw

Anigozanthos spp.

VS
Nasturtium Tropaeolum

Nasturtium Tropaeolum

Tropaeolum majus

Kangaroo Paw

Kangaroo Paw

Anigozanthos spp.

Kangaroo Paw is a genus of Australian native plants known for their unique flowers that resemble the paws of kangaroos. These perennial plants feature clumps of strap-like leaves and tall flower stalks bearing tubular, velvety flowers in vibrant colors like red, green, yellow, orange, and pink. Primarily outdoor plants, they thrive in sunny, well-drained conditions. People grow them for their striking architectural form, unusual flowers, and ability to attract birds and pollinators to the garden. Indoor cultivation is challenging due to high light requirements.

Haemodoraceae Western Australia
✨ Features: Attracts birds and pollinators, unique flower shape
📖 Read Complete Kangaroo Paw Guide
Nasturtium Tropaeolum

Nasturtium Tropaeolum

Tropaeolum majus

Tropaeolum majus, commonly known as nasturtium, is an annual flowering plant known for its vibrant, edible flowers and peppery-flavored leaves. It is a sprawling plant that can grow as a ground cover or climb with support. The plant features round, shield-shaped leaves and spurred flowers in shades of orange, yellow, and red. While primarily grown outdoors in gardens and containers for its ornamental value and culinary uses, it can be challenging to maintain indoors due to its high light requirements and sprawling growth habit. People grow it for its bright colors, edible parts, and ability to attract pollinators.

Tropaeolaceae Andes Mountains of South America (Peru, Bolivia)
✨ Features: Edible flowers and leaves, attracts pollinators, natural pest repellent.
📖 Read Complete Nasturtium Tropaeolum Guide

Quick Plant Comparison

Feature Kangaroo Paw Nasturtium Tropaeolum
Light Full sun (at least 6-8 hours of direct sunlight per day) Full sun to partial shade. Requires at least 6 hours of direct sunlight daily for optimal flowering.
Watering Every 1-2 weeks, depending on weather and soil drainage Every 2-3 days outdoors in warm weather, less frequently in cooler conditions. Indoor watering is difficult to predict, but likely every 5-7 days if attempted.
Humidity 30-50% 40-60%
Temperature 15-25°C 15-24°C
Care Level Expert Expert
Growth Rate Moderate Fast
Max Height 0.5-2 meters (outdoors; significantly smaller and less likely to flower indoors) 0.3-1 meter (indoors, likely smaller and less vigorous)
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining sandy or loamy soil with a slightly acidic to neutral pH (6.0-7.0) Well-draining soil; a mix of potting soil, perlite, and compost is suitable. Avoid overly rich soil, as it can promote foliage growth at the expense of flowers.
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 15 minutes weekly (outdoors) 10 minutes weekly outdoors, more if attempting indoor growth.

🔬 Botanical Information — Comparing These Plants

Kangaroo Paw

Scientific Name Anigozanthos spp.
Family Haemodoraceae
Native To Western Australia
Also Known As Kangaroo Paw, Cat's Paw
Leaves The leaves are strap-like, linear, and typically green, although some varieties may have reddish or bronze hues. They are smooth and leathery in texture, ranging from 30-60 cm in length.
Flowers Kangaroo Paw rarely flowers indoors due to insufficient light. Outdoors, it produces tubular, velvety flowers in a range of colors, including red, green, yellow, orange, and pink. The flowers are arranged in clusters at the top of tall stalks.

Nasturtium Tropaeolum

Scientific Name Tropaeolum majus
Family Tropaeolaceae
Native To Andes Mountains of South America (Peru, Bolivia)
Also Known As Nasturtium, Garden Nasturtium, Indian Cress, Monk's Cress
Leaves The leaves of nasturtiums are round and shield-shaped, with a diameter of 5-10 cm. They are typically a vibrant green color and have a slightly waxy texture. The leaves are attached to the stem in the center, giving them a unique and distinctive appearance.
Flowers Nasturtiums readily flower outdoors in the right conditions. The flowers are spurred and come in shades of orange, yellow, and red. They have a delicate, peppery fragrance and are often used in salads and as garnishes. Flowering indoors is rare and requires intense supplemental lighting.

📏 Size & Growth — Plant Comparison

Kangaroo Paw

Height 0.5-2 meters (outdoors; significantly smaller and less likely to flower indoors)
Spread 0.3-1 meter (can spread via rhizomes)
Growth Rate Moderate
Growth Pattern Kangaroo Paw grows in clumps of strap-like leaves, with tall flower stalks emerging from the center of the clump. The plant spreads via rhizomes, forming larger clumps over time.

Nasturtium Tropaeolum

Height 0.3-1 meter (indoors, likely smaller and less vigorous)
Spread 0.3-1 meter (can spread wider outdoors)
Growth Rate Fast
Growth Pattern Nasturtiums have a sprawling growth habit, either trailing along the ground or climbing with support. They can reach up to 1 meter in height and spread, forming a dense mat of foliage and flowers.

🌱 Propagation — Comparing Plant Growth

Kangaroo Paw

Methods: Division, Seed

Difficulty: Moderate

Tips: Divide rhizomes in early spring or after flowering. Sow seeds in well-draining soil and keep moist. Germination can be slow and erratic.

Nasturtium Tropaeolum

Methods: Seed

Difficulty: Easy

Tips: Soak seeds in water for a few hours before planting. Sow directly into the soil or start indoors 4-6 weeks before the last frost. Keep soil moist until germination.

✨ Benefits & Features — Comparing Plant Value

Kangaroo Paw

Kangaroo Paw is unique due to its distinctive flower shape, resembling a kangaroo's paw. The velvety texture and vibrant colors of the flowers make it a standout plant in any garden. It is also endemic to Western Australia.

  • ✓ Attracts birds and pollinators
  • ✓ Adds unique architectural interest to the garden
  • ✓ Provides vibrant color with its unusual flowers
  • ✓ Relatively drought-tolerant once established
  • ✓ Supports native ecosystems
  • ⚠️ Toxic to pets

Nasturtium Tropaeolum

Nasturtiums are unique for their edible flowers and leaves, which have a distinctive peppery flavor. They also act as a natural pest repellent, making them a valuable addition to vegetable gardens. Their vibrant colors and ease of growth make them a popular choice for gardeners.

  • ✓ Edible flowers and leaves provide a peppery flavor to dishes
  • ✓ Attracts pollinators to the garden, supporting local ecosystems
  • ✓ Acts as a natural pest repellent, reducing the need for chemical pesticides
  • ✓ Adds vibrant color and visual interest to outdoor spaces
  • ✓ Provides a fun and engaging gardening experience.
  • ⚠️ Toxic to pets

📅 Maintenance Schedule — Plant Care Comparison

Kangaroo Paw

Repotting Not applicable for indoor growing as it is not recommended. If grown in a container outdoors, repot every 2-3 years in spring.
Pruning Remove spent flower stalks and dead leaves to encourage new growth and maintain appearance.
Fertilizing Native plant fertilizer or a low-phosphorus fertilizer, diluted to half strength. Apply in spring and early summer.
Seasonal Care In winter, reduce watering and protect from frost. In summer, ensure adequate watering and sun protection during heatwaves.

Nasturtium Tropaeolum

Repotting Not typically needed as they are annuals. If grown in containers, repotting may be necessary if the plant becomes root-bound, though this is unlikely to occur indoors.
Pruning Pinch back stems to encourage bushier growth and more flowers. Remove spent flowers to prolong blooming.
Fertilizing Low-nitrogen fertilizer, applied sparingly every 4-6 weeks during the growing season. High nitrogen fertilizers will promote leaf growth over flower production.
Seasonal Care In spring and summer, provide regular watering and fertilization. In fall, reduce watering and allow the plant to set seed. Nasturtiums are annuals and will die back in winter.

🌞 Light Requirements

Kangaroo Paw

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

Low light tolerant: ❌ No

Nasturtium Tropaeolum

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

Low light tolerant: ❌ No

💧 Watering Needs

Kangaroo Paw

Water deeply when the top inch of soil feels dry. Avoid overwatering, which can lead to root rot. Ensure good drainage. Reduce watering during the dormant winter period. Signs of underwatering include drooping leaves and dry flower stalks. Overwatering can cause yellowing leaves and a mushy base.

Nasturtium Tropaeolum

Water thoroughly when the top inch of soil feels dry. Avoid overwatering, which can lead to root rot. Yellowing leaves indicate overwatering; wilting leaves indicate underwatering.

🌡️ Temperature & Humidity

Kangaroo Paw

Temperature: 15-25°C

Humidity: 30-50%

Nasturtium Tropaeolum

Temperature: 15-24°C

Humidity: 40-60%

🤔 Which Plant Is Right For You?

Kangaroo Paw

Kangaroo Paw

Anigozanthos spp.
Care: Expert Time: 15 minutes weekly (outdoors) Beginner: No

Experienced gardeners in warm climates who want to attract birds and pollinators to their outdoor garden.

✅ Choose This Plant If...

  • You live in a warm climate with plenty of sunshine.
  • You want to attract birds and pollinators to your garden.
  • You appreciate unique and architectural plants.
  • You are an experienced gardener looking for a challenge.
  • You have a well-draining garden bed.

❌ Skip This Plant If...

  • You live in a cold climate with limited sunlight.
  • You are a beginner gardener.
  • You are looking for an easy-to-grow indoor plant.
  • You have pets that may ingest the plant.
  • You don't have a well-draining garden bed.
📍 Ideal Location: Outdoor garden bed with full sun and well-drained soil. Not suitable for typical indoor environments.
🎨 Style: Australian Native, Contemporary, Naturalistic
🏠 Apartment Friendly: No
⚠️ The ASPCA lists Anigozanthos (Kangaroo Paw) as toxic to dogs, cats, and horses. The specific toxic principle is unknown, but ingestion can cause gastrointestinal upset including vomiting and diarrhea.
Nasturtium Tropaeolum

Nasturtium Tropaeolum

Tropaeolum majus
Care: Expert Time: 10 minutes weekly outdoors, more if attempting indoor growth. Beginner: No

Gardeners looking for an edible and ornamental plant to add color and interest to their outdoor spaces.

✅ Choose This Plant If...

  • You want edible flowers and leaves for salads and garnishes
  • You need a plant to attract pollinators to your garden
  • You want a natural pest repellent for your vegetable garden
  • You enjoy vibrant colors in your outdoor space
  • You are an experienced gardener willing to experiment with growing a sun-loving plant indoors.

❌ Skip This Plant If...

  • You have pets that might ingest the plant
  • You lack a sunny location to provide adequate light
  • You prefer low-maintenance indoor plants.
📍 Ideal Location: Outdoors in a sunny garden bed or container. A very sunny windowsill is the only possible indoor location, but success is unlikely.
🎨 Style: Cottagecore, Bohemian, Eclectic
🏠 Apartment Friendly: Limited
⚠️ According to the ASPCA, nasturtiums contain mustard oil glycosides, which can cause mild gastrointestinal upset in dogs, cats, and horses. Symptoms include vomiting, diarrhea, and drooling. All parts of the plant are potentially toxic.

🎯 Quick Verdict

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

⚡ Key Differences Between These Plants

📈

Kangaroo Paw has moderate growth, while Nasturtium Tropaeolum grows fast.

💡 Pro Tips For Comparing These Plants

Kangaroo Paw Care Tips

Kangaroo Paw is primarily an outdoor plant that requires full sun and well-drained soil. Indoor cultivation is extremely challenging due to the need for intense light, which is difficult to replicate. Even with supplemental lighting, flowering is unlikely. Requires careful watering to avoid root rot.

  • Ensure excellent drainage to prevent root rot.
  • Provide full sun for optimal flowering.
  • Prune regularly to remove spent flower stalks and dead leaves.
  • Fertilize sparingly with a low-phosphorus fertilizer.
  • Protect from frost in colder climates.
❄️ Winter: Reduce watering during the winter months as the plant's growth slows down. Protect from frost by mulching around the base of the plant or moving container plants to a sheltered location.
☀️ Summer: Ensure adequate watering during hot summer months, especially during heatwaves. Provide some afternoon shade in extremely hot climates to prevent leaf scorch.

Nasturtium Tropaeolum Care Tips

Nasturtiums are easy to grow outdoors in sunny locations with well-draining soil. Indoor cultivation is challenging due to high light requirements and the plant's sprawling growth habit. Providing adequate light and avoiding overwatering are crucial for indoor success, which is rarely achieved.

  • Provide at least 6 hours of direct sunlight daily for optimal flowering
  • Avoid overwatering to prevent root rot
  • Use a low-nitrogen fertilizer to encourage flower production
  • Pinch back stems to promote bushier growth
  • Collect seeds at the end of the season to replant next year.
❄️ Winter: Nasturtiums are annuals and do not survive winter. Collect seeds in the fall to replant in the spring.
☀️ Summer: Provide regular watering and fertilization during the summer growing season. Protect from intense afternoon sun in very hot climates to prevent leaf scorch.

⚠️ Common Problems & Solutions — Plant Care Comparison

Kangaroo Paw

Common Issues: Root rot, Ink spot disease, Leaf spot, Lack of flowering (indoors)
Solutions: Root rot: Improve drainage, reduce watering frequency. | Ink spot disease: Remove infected leaves, improve air circulation, apply fungicide. | Leaf spot: Remove infected leaves, improve air circulation, apply fungicide. | Lack of flowering (indoors): Provide supplemental lighting, ensure proper temperature and humidity.

Nasturtium Tropaeolum

Common Issues: Aphids, whiteflies, root rot, lack of flowering
Solutions: Treat aphids and whiteflies with insecticidal soap or neem oil. Prevent root rot by ensuring well-draining soil and avoiding overwatering. Encourage flowering by providing full sun and using a low-nitrogen fertilizer.

❓ Frequently Asked Questions — Comparing These Plants

Kangaroo Paw

What are the light requirements for Kangaroo Paw?

Kangaroo Paws thrive in full sun, needing at least six hours of direct sunlight per day to produce abundant blooms. An east or south-facing window is ideal for indoor plants. Insufficient light can result in leggy growth and reduced flowering. If natural light is limited, supplement with a grow light. Rotate the plant regularly to ensure even light exposure. In hot climates, provide some afternoon shade to prevent leaf scorch. Monitor the plant for signs of light stress, such as pale leaves or stunted growth. Adjust its location as needed to provide optimal lighting conditions.

How do I care for Kangaroo Paw?

Kangaroo Paws require full sun and well-draining soil. Water deeply but infrequently, allowing the soil to dry out between waterings. Fertilize during the growing season (spring and summer) with a low-phosphorus fertilizer to encourage flowering. Prune spent flower stems to promote new growth. Protect from frost in colder climates. Repot every 2-3 years in spring. Ensure good air circulation to prevent fungal diseases. Regularly check for pests like aphids and spider mites. Use a native Australian potting mix if possible. Monitor humidity levels and increase if needed. Avoid overwatering, which can lead to root rot. Provide support for taller varieties to prevent them from flopping over.

How do I propagate Kangaroo Paw?

Kangaroo Paw can be propagated by division or seed. Division is best done in spring. Carefully dig up the plant and divide the rhizomes into separate clumps, ensuring each clump has healthy roots and foliage. Replant the divisions in well-draining soil. Seeds can be sown in spring. Soak seeds in warm water overnight before sowing. Sow seeds in a well-draining seed-starting mix and keep moist. Germination can be slow and irregular. Stem cuttings are difficult but may work in some instances. Allow the cut to callous over for several days before planting in well-draining soil. Keiki propagation is not applicable to Kangaroo Paw.

Nasturtium Tropaeolum

What are the light requirements for Nasturtium Tropaeolum?

Nasturtium Tropaeolum thrives in full sun, which translates to at least 6 hours of direct sunlight per day. In hotter climates, provide some afternoon shade to prevent scorching of the leaves and flowers. Insufficient light can lead to leggy growth and reduced blooming.

How do I care for Nasturtium Tropaeolum?

Nasturtium Tropaeolum thrives in well-draining soil and prefers full sun to partial shade. Water regularly, allowing the soil to dry slightly between waterings. Avoid overwatering, which can lead to root rot. Fertilize sparingly, as excessive fertilization can promote leaf growth at the expense of flowers.

How do I propagate Nasturtium Tropaeolum?

Nasturtium Tropaeolum is most commonly propagated by seed. Sow seeds directly into the garden in spring after the last frost or start them indoors 4-6 weeks prior. Soak the seeds in water overnight before planting to improve germination.

Last updated: May 11, 2026 — Plant care data reviewed and verified by our editorial team.