Astilbe vs Kangaroo Paw Plant Comparison

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

Astilbe

Astilbe

Astilbe spp.

VS
Kangaroo Paw

Kangaroo Paw

Anigozanthos spp.

Astilbe

Astilbe

Astilbe spp.

Astilbe is a genus of herbaceous perennial plants known for their feathery plumes of flowers and attractive, fern-like foliage. Typically grown outdoors in shade or partial shade gardens, they add texture and color with their blooms in shades of pink, red, purple, and white. Astilbes are rhizomatous, meaning they spread horizontally underground. They are valued for their ability to thrive in moist, shady conditions where other flowering plants may struggle. They are not typically grown indoors due to their need for specific temperature and humidity conditions.

Saxifragaceae Asia and North America
✨ Features: Attractive foliage, showy flowers, shade tolerance
📖 Read Complete Astilbe Guide
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

Quick Plant Comparison

Feature Astilbe Kangaroo Paw
Light Partial shade to full shade. Requires protection from intense direct sunlight. Full sun (at least 6-8 hours of direct sunlight per day)
Watering Every 2-3 days, depending on weather and soil drainage Every 1-2 weeks, depending on weather and soil drainage
Humidity 40-70% 30-50%
Temperature 16-21°C 15-25°C
Care Level Expert Expert
Growth Rate Moderate Moderate
Max Height Not typically grown indoors, but if attempted, expect 30-60 cm 0.5-2 meters (outdoors; significantly smaller and less likely to flower indoors)
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Rich, well-draining soil with plenty of organic matter. A mix of peat moss, compost, and perlite is suitable. Well-draining sandy or loamy soil with a slightly acidic to neutral pH (6.0-7.0)
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 15 minutes weekly 15 minutes weekly (outdoors)

🔬 Botanical Information — Comparing These Plants

Astilbe

Scientific Name Astilbe spp.
Family Saxifragaceae
Native To Asia and North America
Also Known As False Spirea, False Goat's Beard
Leaves The leaves are compound, fern-like, and deeply divided. They are typically dark green, but some varieties have bronze or reddish hues. The texture is delicate and airy.
Flowers Astilbe is rarely, if ever, induced to flower indoors. Outdoors, it produces showy plumes of tiny flowers in shades of pink, red, purple, and white. The flowers bloom in summer and last for several weeks.

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.

📏 Size & Growth — Plant Comparison

Astilbe

Height Not typically grown indoors, but if attempted, expect 30-60 cm
Spread 30-60 cm, spreads via rhizomes
Growth Rate Moderate
Growth Pattern Astilbe grows in clumps, with upright flower stalks emerging from a base of fern-like foliage. It spreads slowly via rhizomes, forming colonies over time.

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.

🌱 Propagation — Comparing Plant Growth

Astilbe

Methods: Division, Seed

Difficulty: Moderate

Tips: Divide rhizomes in early spring or fall. Sow seeds in a cold frame in the fall.

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.

✨ Benefits & Features — Comparing Plant Value

Astilbe

Astilbe's feathery flower plumes and fern-like foliage provide a unique texture and visual appeal in shady gardens. Its ability to thrive in moist, shady conditions makes it a valuable addition to areas where other flowering plants may struggle. The variety of flower colors allows for diverse garden designs.

  • ✓ Adds color and texture to shady gardens.
  • ✓ Attracts pollinators like bees and butterflies.
  • ✓ Deer-resistant.
  • ✓ Relatively low-maintenance once established.
  • ✓ Provides long-lasting blooms.
  • ⚠️ Toxic to pets

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

📅 Maintenance Schedule — Plant Care Comparison

Astilbe

Repotting Not applicable for outdoor planting. If grown in containers, divide and repot every 2-3 years to manage rhizome spread.
Pruning Remove spent flower stalks to encourage new blooms. Cut back foliage in late fall or early spring.
Fertilizing Balanced slow-release fertilizer in early spring. Avoid over-fertilizing.
Seasonal Care In spring, apply fertilizer and mulch. In summer, ensure adequate moisture. In fall, cut back foliage after it dies back. In winter, protect rhizomes with mulch in colder climates.

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.

🌞 Light Requirements

Astilbe

Partial shade to full shade. Requires protection from intense direct sunlight.

Low light tolerant: ❌ No

Kangaroo Paw

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

Low light tolerant: ❌ No

💧 Watering Needs

Astilbe

Keep soil consistently moist, especially during hot weather. Avoid letting the soil dry out completely. Overwatering can lead to root rot, so ensure good drainage. Signs of underwatering include wilting leaves and dry soil. Signs of overwatering include yellowing leaves and soggy soil.

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.

🌡️ Temperature & Humidity

Astilbe

Temperature: 16-21°C

Humidity: 40-70%

Kangaroo Paw

Temperature: 15-25°C

Humidity: 30-50%

🤔 Which Plant Is Right For You?

Astilbe

Astilbe

Astilbe spp.
Care: Expert Time: 15 minutes weekly Beginner: No

Gardeners with shady, moist areas looking for colorful, low-maintenance perennials.

✅ Choose This Plant If...

  • You have a shady garden area that needs color.
  • You want a low-maintenance perennial that returns year after year.
  • You appreciate plants with interesting foliage and textures.
  • You want to attract pollinators to your garden.
  • You live in a region with cool, moist summers.

❌ Skip This Plant If...

  • You have a sunny, dry garden.
  • You are looking for a plant that thrives indoors.
  • You have pets that may ingest toxic plants.
📍 Ideal Location: Outdoor shade garden, woodland garden, or near a water feature.
🎨 Style: Cottage, Woodland, Traditional
🏠 Apartment Friendly: No
⚠️ According to the ASPCA, Astilbe is toxic to dogs, cats, and horses. Symptoms include vomiting, diarrhea, and depression. The toxic principle is unknown.
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.

🎯 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

Astilbe Care Tips

Astilbe is primarily an outdoor plant and requires specific conditions to thrive. Indoor cultivation is challenging due to the need for consistent moisture, high humidity, and cool temperatures. It is difficult to replicate these conditions indoors, making it an expert-level plant for indoor growing.

  • Plant in well-draining soil amended with organic matter.
  • Water regularly, especially during dry periods.
  • Apply a layer of mulch to help retain moisture and suppress weeds.
  • Divide plants every few years to prevent overcrowding.
  • Protect from intense afternoon sun to prevent leaf scorch.
❄️ Winter: Cut back foliage after it dies back in the fall. In colder climates, apply a layer of mulch to protect the rhizomes from freezing temperatures.
☀️ Summer: Ensure adequate moisture during hot weather. Provide shade during the hottest part of the day to prevent leaf scorch. Remove spent flower stalks to encourage new blooms.

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.

⚠️ Common Problems & Solutions — Plant Care Comparison

Astilbe

Common Issues: Powdery mildew, leaf spots, root rot, pests (spider mites, aphids)
Solutions: Powdery mildew: Improve air circulation, use fungicide. Leaf spots: Remove affected leaves, use fungicide. Root rot: Improve drainage, reduce watering. Pests: Insecticidal soap or neem oil.

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.

❓ Frequently Asked Questions — Comparing These Plants

Astilbe

What are the light requirements for Astilbe?

Astilbes prefer partial to full shade, requiring at least 4 hours of filtered sunlight per day. Avoid direct sunlight, especially during the hottest part of the day, as it can scorch the leaves. In hotter climates, provide more shade to prevent stress. Morning sun is generally well-tolerated, but afternoon sun can be too intense.

How do I care for Astilbe?

Astilbes thrive in partial to full shade and require moist, well-drained soil. Water regularly, especially during dry periods, to keep the soil consistently moist but not waterlogged. Apply a balanced fertilizer in early spring to promote healthy growth and abundant blooms. Deadhead spent flowers to encourage reblooming and maintain a tidy appearance. Mulch around the base of the plant to retain moisture and suppress weeds.

How do I propagate Astilbe?

Astilbes are typically propagated by division in early spring or fall. Carefully dig up the plant and divide the root clump into smaller sections, ensuring each section has healthy roots and foliage. Replant the divisions in well-drained soil, spacing them appropriately. Water thoroughly after planting.

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.

Last updated: May 5, 2026 — Plant care data reviewed and verified by our editorial team.