Japanese Cedar vs London Plane Tree Plant Comparison

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

Japanese Cedar

Japanese Cedar

Cryptomeria japonica

VS
London Plane Tree

London Plane Tree

Platanus × acerifolia

Japanese Cedar

Japanese Cedar

Cryptomeria japonica

Cryptomeria japonica, commonly known as Japanese Cedar or Sugi, is a large evergreen coniferous tree native to Japan and China. It's characterized by its reddish-brown bark that peels in strips and its spirally arranged, awl-shaped leaves that are typically bluish-green. In its native habitat, it can reach heights of 50-70 meters. While primarily an outdoor tree, some dwarf cultivars are grown in containers. People grow it for its ornamental value, fast growth (in suitable conditions), and use as a privacy screen or windbreak.

Cupressaceae Japan, China
✨ Features: Attractive foliage, aromatic wood, relatively fast growth (outdoors)
📖 Read Complete Japanese Cedar Guide
London Plane Tree

London Plane Tree

Platanus × acerifolia

The London Plane is a large deciduous tree, typically reaching heights of 20-30 meters (65-100 feet) or more. It is characterized by its mottled bark, which peels off in large flakes, revealing patches of green, cream, and brown. The leaves are large, palmate, and resemble those of a maple. It is a popular urban tree due to its tolerance of pollution and compacted soils. It is primarily an outdoor tree and not suitable for indoor cultivation due to its size and light requirements.

Platanaceae Hybrid origin (Platanus orientalis x Platanus occidentalis), first cultivated in Spain and London
✨ Features: Tolerates pollution, provides shade, attractive bark
📖 Read Complete London Plane Tree Guide

Quick Plant Comparison

Feature Japanese Cedar London Plane Tree
Light Full sun to partial shade Full sun
Watering Every 1-2 weeks, depending on weather and soil drainage Water deeply 1-2 times per week during the first year after planting, then as needed during dry spells.
Humidity 30-60% 30-50%
Temperature 10-24°C 10-27°C
Care Level Expert Expert
Growth Rate Moderate To Fast Fast
Max Height 2-5 meters (in containers, significantly smaller than in the wild) Not applicable indoors; 20-30+ meters outdoors
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining, slightly acidic soil Well-drained soil; adaptable to various soil types, including clay and compacted soils.
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 30 minutes weekly 1-2 hours per year for pruning and general maintenance.

🔬 Botanical Information — Comparing These Plants

Japanese Cedar

Scientific Name Cryptomeria japonica
Family Cupressaceae
Native To Japan, China
Also Known As Japanese Cedar, Sugi
Leaves The leaves are awl-shaped, spirally arranged, and typically bluish-green. They are about 0.5-1 cm long and have a slightly prickly texture.
Flowers It rarely flowers indoors. Outdoors, it produces small, inconspicuous flowers in spring, followed by small, globular cones.

London Plane Tree

Scientific Name Platanus × acerifolia
Family Platanaceae
Native To Hybrid origin (Platanus orientalis x Platanus occidentalis), first cultivated in Spain and London
Also Known As London Plane, London Planetree, Hybrid Plane
Leaves Large, palmate leaves with 3-5 lobes, resembling maple leaves. They are typically 10-25 cm (4-10 inches) wide and long, with a medium green color.
Flowers The London Plane produces inconspicuous, greenish flowers in spring. These are followed by spherical, brown seed balls that persist through the winter.

📏 Size & Growth — Plant Comparison

Japanese Cedar

Height 2-5 meters (in containers, significantly smaller than in the wild)
Spread 1-2 meters (in containers)
Growth Rate Moderate To Fast
Growth Pattern Outdoors, it grows into a large, pyramidal tree. Indoors, dwarf cultivars maintain a more compact, upright form.

London Plane Tree

Height Not applicable indoors; 20-30+ meters outdoors
Spread Not applicable indoors; 15-25+ meters outdoors
Growth Rate Fast
Growth Pattern Upright, with a broad, spreading crown.

🌱 Propagation — Comparing Plant Growth

Japanese Cedar

Methods: Seed, Cuttings

Difficulty: Moderate

Tips: Take semi-hardwood cuttings in late summer. Use rooting hormone and provide high humidity. Seed propagation requires stratification.

London Plane Tree

Methods: Seed, cuttings, grafting

Difficulty: Moderate

Tips: Collect seeds in the fall and stratify them over winter. Take hardwood cuttings in late winter or early spring. Grafting is used for specific cultivars.

✨ Benefits & Features — Comparing Plant Value

Japanese Cedar

Japanese Cedar is a conifer that is not a true cedar, but belongs to the cypress family. Its reddish-brown bark and awl-shaped leaves give it a distinctive appearance. Dwarf cultivars are prized for their compact size and suitability for container growing.

  • ✓ Unique aesthetic appeal
  • ✓ Can be trained as bonsai
  • ✓ Provides a touch of nature indoors
  • ✓ Relatively slow-growing in containers
  • ✓ Offers a calming presence
  • ⚠️ Toxic to pets

London Plane Tree

The London Plane is known for its distinctive mottled bark that peels off in large flakes. It is also highly tolerant of urban pollution, making it a popular choice for city environments.

  • ✓ Provides shade and reduces urban heat island effect.
  • ✓ Tolerates pollution and improves air quality in urban areas.
  • ✓ Adds visual interest with its unique bark and foliage.
  • ✓ Provides habitat for birds and other wildlife.
  • ✓ Relatively fast-growing and establishes quickly.
  • ⚠️ Toxic to pets

📅 Maintenance Schedule — Plant Care Comparison

Japanese Cedar

Repotting Every 2-3 years, or as needed when the plant becomes root-bound
Pruning Prune to maintain shape and remove dead or damaged branches. Best done in late winter or early spring.
Fertilizing Balanced slow-release fertilizer in spring
Seasonal Care In winter, reduce watering and protect from frost if grown in a container. In summer, ensure adequate watering and provide some shade during the hottest part of the day.

London Plane Tree

Repotting Not applicable, as this is not an indoor plant.
Pruning Prune regularly to maintain shape and remove dead or diseased branches. Avoid heavy pruning, which can stress the tree.
Fertilizing Apply a balanced fertilizer (e.g., 10-10-10) in early spring, following package instructions. Avoid over-fertilizing.
Seasonal Care In winter, protect young trees from frost damage. In summer, ensure adequate watering during dry periods. Prune in late winter or early spring.

🌞 Light Requirements

Japanese Cedar

Full sun to partial shade

Low light tolerant: ❌ No

London Plane Tree

Full sun

Low light tolerant: ❌ No

💧 Watering Needs

Japanese Cedar

Water deeply when the topsoil feels dry to the touch. Avoid overwatering, which can lead to root rot. In containers, ensure proper drainage. During the growing season, water more frequently, and reduce watering in the winter.

London Plane Tree

Water deeply during dry periods, especially when the tree is young. Established trees are relatively drought-tolerant. Avoid overwatering, which can lead to root rot. Check soil moisture before watering.

🌡️ Temperature & Humidity

Japanese Cedar

Temperature: 10-24°C

Humidity: 30-60%

London Plane Tree

Temperature: 10-27°C

Humidity: 30-50%

🤔 Which Plant Is Right For You?

Japanese Cedar

Japanese Cedar

Cryptomeria japonica
Care: Expert Time: 30 minutes weekly Beginner: No

Experienced gardeners looking for a unique container plant for a bright, cool location.

✅ Choose This Plant If...

  • You appreciate the unique texture and form of conifers
  • You have a very bright, cool location for a container plant
  • You are an experienced gardener looking for a challenge
  • You want a small, slow-growing conifer for bonsai
  • You are prepared to provide specific care to maintain its health.

❌ Skip This Plant If...

  • You lack a very bright, cool location
  • You are a beginner gardener
  • You have pets that might ingest the plant
  • You want a low-maintenance houseplant.
📍 Ideal Location: Bright sunroom or cool greenhouse
🎨 Style: Japanese, Minimalist, Traditional
🏠 Apartment Friendly: Limited
⚠️ Although specific data is limited, conifers in general can be toxic to pets. The ASPCA lists some conifers as potentially causing gastrointestinal upset if ingested. Resin and sap can be irritating. All parts of the plant should be considered potentially harmful.
London Plane Tree

London Plane Tree

Platanus × acerifolia
Care: Expert Time: 1-2 hours per year for pruning and general maintenance. Beginner: No

Urban environments where a large, tolerant shade tree is needed.

✅ Choose This Plant If...

  • You need a large shade tree for an urban environment.
  • You want a tree that tolerates pollution.
  • You appreciate the unique mottled bark.
  • You need a tree that can handle compacted soil.
  • You want a fast-growing tree.

❌ Skip This Plant If...

  • You have a small yard.
  • You are looking for an indoor plant.
  • You have pets that may be sensitive to the tree's toxicity.
  • You want a low-maintenance tree.
  • You have allergies to tree pollen.
📍 Ideal Location: Outdoor parks, streets, and large gardens.
🎨 Style: Traditional, Urban
🏠 Apartment Friendly: No
⚠️ The ASPCA lists Platanus species as toxic to horses. The toxic principle is unknown, but symptoms include gastrointestinal upset. Although not specifically listed for dogs or cats, caution is advised due to the known toxicity to horses.

🎯 Quick Verdict

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

⚡ Key Differences Between These Plants

☀️

Japanese Cedar needs full sun to partial shade, while London Plane Tree prefers full sun.

📈

Japanese Cedar has moderate to fast growth, while London Plane Tree grows fast.

💡 Pro Tips For Comparing These Plants

Japanese Cedar Care Tips

Japanese Cedar is primarily an outdoor tree and presents significant challenges when grown indoors. It requires very bright light, well-draining soil, and careful watering to prevent root rot. Maintaining adequate humidity indoors can also be difficult. Only dwarf cultivars are suitable for container growing, and even then, they may not thrive indoors long-term.

  • Provide excellent drainage to prevent root rot
  • Ensure adequate humidity, especially in dry indoor environments
  • Fertilize sparingly with a balanced fertilizer
  • Monitor for pests regularly
  • Rotate the plant regularly to ensure even growth.
❄️ Winter: Reduce watering in winter. Protect from frost if grown in a container. Provide bright light.
☀️ Summer: Ensure adequate watering during hot weather. Provide some shade during the hottest part of the day to prevent scorching.

London Plane Tree Care Tips

The London Plane is an outdoor tree that is not suitable for indoor cultivation. It requires full sun, well-drained soil, and ample space to grow. Indoor cultivation is impossible due to size and light requirements.

  • Water deeply during dry periods, especially when the tree is young.
  • Prune regularly to maintain shape and remove dead or diseased branches.
  • Apply a balanced fertilizer in early spring.
  • Monitor for pests and diseases and treat promptly.
  • Protect young trees from frost damage.
❄️ Winter: Protect young trees from frost damage by wrapping the trunk with burlap. Water sparingly during prolonged dry spells.
☀️ Summer: Ensure adequate watering during dry periods. Monitor for pests and diseases and treat promptly. Provide shade for young trees during the hottest part of the day.

⚠️ Common Problems & Solutions — Plant Care Comparison

Japanese Cedar

Common Issues: Spider mites, Root rot, Browning foliage, Poor growth
Solutions: Spider mites: Treat with insecticidal soap or neem oil. Root rot: Improve drainage and reduce watering. Browning foliage: Ensure adequate watering and humidity. Poor growth: Provide sufficient light and fertilizer.

London Plane Tree

Common Issues: Anthracnose, powdery mildew, aphids, scale
Solutions: Anthracnose: Prune affected branches and improve air circulation. Powdery mildew: Apply fungicide. Aphids and scale: Insecticidal soap or horticultural oil.

❓ Frequently Asked Questions — Comparing These Plants

Japanese Cedar

What are the light requirements for Japanese Cedar?

Japanese Cedars require bright, indirect light to thrive indoors. Direct sunlight can scorch their delicate foliage, leading to brown tips and overall stress. A location near an east-facing window is often ideal, providing ample morning light without the harsh afternoon sun. If placed near a south- or west-facing window, use sheer curtains to filter the light. Insufficient light can result in leggy growth and a loss of foliage density. Rotate the plant regularly to ensure all sides receive adequate light exposure. If natural light is limited, consider supplementing with a grow light to maintain healthy growth and vibrant color.

How do I care for Japanese Cedar?

Japanese Cedars thrive indoors with bright, indirect light; avoid direct sunlight, which can scorch the foliage. Water thoroughly when the top inch of soil feels dry, ensuring good drainage to prevent root rot. Maintain high humidity levels through misting or a humidifier, especially during dry months. Use a well-draining potting mix formulated for conifers or evergreens. Fertilize sparingly during the growing season (spring and summer) with a balanced, slow-release fertilizer. Prune regularly to maintain the desired shape and size. Repot every 2-3 years as needed, choosing a slightly larger pot. Provide stable temperatures, avoiding sudden fluctuations and drafts. Rotate the plant regularly to ensure even growth. Monitor for pests like spider mites and treat promptly.

How do I propagate Japanese Cedar?

Japanese Cedars can be propagated through stem cuttings or air layering, though success rates can vary. For stem cuttings, take 4-6 inch cuttings from new growth in spring or early summer. Remove the lower needles and dip the cut end in rooting hormone. Plant the cutting in a well-draining potting mix and keep it moist and humid by covering with a plastic bag or humidity dome. For air layering, make a small incision on a branch, wrap it with moist sphagnum moss, and cover it with plastic wrap. Secure the wrap tightly and keep the moss moist. Once roots have formed, cut the branch below the rooted section and pot it up. Both methods require patience and consistent care.

London Plane Tree

What are the light requirements for London Plane Tree?

London Plane Trees require bright, indirect sunlight to thrive indoors. Insufficient light can lead to leggy growth and reduced leaf size. The ideal placement for your tree is near a south-facing or east-facing window, where it can receive ample light without being exposed to harsh direct sunlight.

How do I care for London Plane Tree?

London Plane Trees can be grown indoors, provided their specific needs are met. Place your tree in a location that receives bright, indirect sunlight. Direct sunlight can scorch the leaves. Water thoroughly when the top inch of soil feels dry to the touch. Ensure the pot has drainage holes to prevent waterlogging. Use a well-draining potting mix.

How do I propagate London Plane Tree?

London Plane Trees can be propagated through stem cuttings or air layering. For stem cuttings, take a 4-6 inch cutting from a healthy stem in spring or summer. Remove the lower leaves and dip the cut end in rooting hormone. Plant the cutting in a well-draining potting mix and keep it moist. Roots should develop in 4-6 weeks.

Last updated: April 25, 2026 — Plant care data reviewed and verified by our editorial team.