Catnip vs London Plane Tree Plant Comparison

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

Catnip

Catnip

Nepeta cataria

VS
London Plane Tree

London Plane Tree

Platanus × acerifolia

Catnip

Catnip

Nepeta cataria

Catnip is a herbaceous perennial plant known for its intoxicating effect on cats. It typically grows to a height of 50-100 cm, featuring grayish-green, heart-shaped leaves with serrated edges. The plant produces spikes of small, white or pale lavender flowers dotted with purple spots. While primarily grown outdoors, it can be cultivated indoors with sufficient light. People grow it for its appeal to cats, its use in herbal teas, and its purported medicinal properties.

Lamiaceae Native to Europe and Asia
✨ Features: Attracts cats, can be used in herbal teas, and is believed to have medicinal properties.
📖 Read Complete Catnip 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 Catnip London Plane Tree
Light Full sun to partial shade. Requires at least 6 hours of direct sunlight daily for optimal growth. Full sun
Watering Every 7-10 days, depending on environmental conditions and pot size. Water deeply 1-2 times per week during the first year after planting, then as needed during dry spells.
Humidity 40-60% 30-50%
Temperature 18-24°C 10-27°C
Care Level Moderate Expert
Growth Rate Moderate Fast
Max Height 30-60 cm indoors Not applicable indoors; 20-30+ meters outdoors
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining soil, such as a mix of potting soil, perlite, and sand. Well-drained soil; adaptable to various soil types, including clay and compacted soils.
Beginner Friendly With Caution ❌ No
Weekly Maintenance 10 minutes weekly 1-2 hours per year for pruning and general maintenance.

🔬 Botanical Information — Comparing These Plants

Catnip

Scientific Name Nepeta cataria
Family Lamiaceae
Native To Native to Europe and Asia
Also Known As Catmint, Catswort
Leaves The leaves are grayish-green, heart-shaped to ovate, and have serrated edges. They are typically 3-7 cm long and covered in fine hairs, giving them a slightly fuzzy texture.
Flowers Catnip produces small, white or pale lavender flowers dotted with purple spots. The flowers are arranged in spikes at the ends of the stems. It may flower indoors if given enough light, but flowering is more prolific outdoors.

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

Catnip

Height 30-60 cm indoors
Spread 30-45 cm indoors
Growth Rate Moderate
Growth Pattern Catnip grows upright with branching stems. It can become somewhat bushy if pruned regularly. It spreads moderately through seeds and can form clumps.

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

Catnip

Methods: Seed, Stem cuttings, Division

Difficulty: Easy

Tips: For stem cuttings, take 4-6 inch cuttings from new growth, remove the lower leaves, and place in water or directly into moist soil. Keep the soil consistently moist until roots develop. Division is best done in spring or fall, separating the plant at the root ball.

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

Catnip

Catnip is known for its unique effect on cats, causing them to exhibit playful and excited behaviors. The active compound, nepetalactone, is responsible for this effect. It also has a distinct minty aroma.

  • ✓ Provides enrichment for cats
  • ✓ Can be used to make herbal tea
  • ✓ Attractive foliage and flowers
  • ✓ Relatively easy to grow
  • ✓ Attracts pollinators to the garden
  • ⚠️ 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

Catnip

Repotting Repot every 1-2 years, or when the plant becomes root-bound.
Pruning Prune regularly to maintain shape and encourage bushier growth. Deadhead spent flowers to prevent self-seeding.
Fertilizing Balanced liquid fertilizer (10-10-10) diluted to half strength, applied every 4-6 weeks during the growing season (spring and summer).
Seasonal Care In winter, reduce watering and ensure the plant receives as much light as possible. In summer, water more frequently and provide some afternoon shade if temperatures are excessively high. Prune after flowering to encourage bushier growth.

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

Catnip

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

Low light tolerant: ❌ No

London Plane Tree

Full sun

Low light tolerant: ❌ No

💧 Watering Needs

Catnip

Water thoroughly when the top inch of soil feels dry. Avoid overwatering, which can lead to root rot. Signs of underwatering include wilting leaves, while overwatering can cause yellowing leaves and a musty smell.

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

Catnip

Temperature: 18-24°C

Humidity: 40-60%

London Plane Tree

Temperature: 10-27°C

Humidity: 30-50%

🤔 Which Plant Is Right For You?

Catnip

Catnip

Nepeta cataria
Care: Moderate Time: 10 minutes weekly Beginner: With-caution

Cat owners looking to provide their feline friends with a stimulating and enjoyable plant, while being aware of the risks to other pets.

✅ Choose This Plant If...

  • You want to provide a natural stimulant for your cat
  • You enjoy growing herbs for teas and other uses
  • You have a sunny location suitable for growing herbs
  • You are looking for a low-maintenance plant
  • You appreciate the plant's aromatic foliage.

❌ Skip This Plant If...

  • You have dogs or horses that might ingest it
  • You don't have a sunny location
  • You are sensitive to strong scents.
📍 Ideal Location: Sunny windowsill or balcony.
🎨 Style: Cottage, Herb Garden, Naturalistic
🏠 Apartment Friendly: Yes
⚠️ Although catnip is famous for its effect on cats, it can cause mild gastrointestinal upset (vomiting, diarrhea) if ingested in large quantities. According to the ASPCA, it is toxic to dogs and horses, causing vomiting, diarrhea, and incoordination if ingested. All parts of the plant are potentially toxic.
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 Catnip

⚡ Key Differences Between These Plants

🎯

Catnip is rated Moderate care level, while London Plane Tree is Expert.

📈

Catnip has moderate growth, while London Plane Tree grows fast.

💡 Pro Tips For Comparing These Plants

Catnip Care Tips

Catnip is relatively easy to grow, but requires ample sunlight, especially when grown indoors. Overwatering should be avoided. It can become leggy if not pruned regularly. While it is known for its appeal to cats, it is toxic to dogs and horses.

  • Provide at least 6 hours of direct sunlight daily.
  • Water thoroughly when the top inch of soil is dry, but avoid overwatering.
  • Prune regularly to maintain shape and encourage bushier growth.
  • Fertilize every 4-6 weeks during the growing season with a balanced liquid fertilizer.
  • Protect from extreme temperatures and frost.
❄️ Winter: Reduce watering during the winter months as the plant's growth slows down. Ensure the plant receives as much light as possible, especially if grown indoors. Protect from frost if grown outdoors.
☀️ Summer: Water more frequently during the summer months, especially during hot and dry periods. Provide some afternoon shade if temperatures are excessively high. Prune after flowering to encourage bushier growth.

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

Catnip

Common Issues: Powdery mildew, Aphids, Root rot
Solutions: For powdery mildew, improve air circulation and apply a fungicide. Treat aphids with insecticidal soap or neem oil. Prevent root rot by ensuring well-draining soil and avoiding overwatering.

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

Catnip

What are the light requirements for Catnip?

Catnip requires a minimum of six hours of direct sunlight each day to thrive. Insufficient light can result in leggy growth and reduced flowering. A south-facing window is ideal for indoor Catnip, providing ample sunlight throughout the day. If natural light is limited, supplement with grow lights, positioning them about 6-12 inches above the plant. Rotate the plant regularly to ensure even light exposure on all sides. Monitor the leaves for signs of sunburn, such as scorched spots, if the light is too intense. Adjust placement or provide shade as needed. Adequate light is crucial for photosynthesis and overall plant health.

How do I care for Catnip?

Catnip thrives in well-draining soil and requires at least six hours of sunlight daily. Water thoroughly when the top inch of soil feels dry, but avoid overwatering to prevent root rot. Fertilize sparingly with a balanced, slow-release fertilizer in the spring to encourage healthy growth and blooming. Prune regularly to maintain a compact shape and promote bushier growth. Catnip is relatively low-maintenance but benefits from occasional deadheading to encourage further flowering. Protect from extreme cold during winter months, especially in colder climates. Indoor plants need good air circulation. Monitor for pests like aphids and spider mites, and treat promptly. Choose a pot with drainage holes.

How do I propagate Catnip?

Catnip can be easily propagated through stem cuttings, division, or seeds. For stem cuttings, take a 4-6 inch cutting from a healthy stem, remove the lower leaves, and place it in water or directly into moist soil. Roots should develop within a few weeks. For division, carefully dig up the plant and separate the root ball into smaller sections, ensuring each section has healthy roots and foliage. Replant the divisions in separate pots. Seeds can be sown directly into the garden or started indoors. Keep the soil moist until germination occurs. Propagation is best done in spring or early summer.

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: May 4, 2026 — Plant care data reviewed and verified by our editorial team.