Catnip vs Hardy Geranium 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
Hardy Geranium

Hardy Geranium

Geranium spp.

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
Hardy Geranium

Hardy Geranium

Geranium spp.

Hardy Geraniums are herbaceous perennials known for their resilience and attractive foliage. They form mounds of often deeply lobed or divided leaves, ranging in color from green to bronze, sometimes with interesting patterns. They are primarily outdoor plants, valued for their long blooming period, producing saucer-shaped flowers in shades of pink, purple, blue, white, and magenta. While some species can tolerate indoor conditions with sufficient light, they are generally grown outdoors in gardens and borders for their ease of care and ability to suppress weeds.

Geraniaceae Various species originate from different regions worldwide, including Europe, Asia, and North America.
✨ Features: Long blooming period, deer resistant, attracts pollinators.
📖 Read Complete Hardy Geranium Guide

Quick Plant Comparison

Feature Catnip Hardy Geranium
Light Full sun to partial shade. Requires at least 6 hours of direct sunlight daily for optimal growth. Full sun to partial shade. Requires at least 6 hours of direct sunlight for optimal flowering.
Watering Every 7-10 days, depending on environmental conditions and pot size. Every 7-10 days outdoors, depending on weather conditions.
Humidity 40-60% 40-60%
Temperature 18-24°C 15-24°C
Care Level Moderate Expert
Growth Rate Moderate Moderate
Max Height 30-60 cm indoors Indoors: 30-60 cm (unlikely to thrive). Outdoors: 30-90 cm.
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining soil, such as a mix of potting soil, perlite, and sand. Well-draining soil. A mix of garden soil, compost, and perlite is suitable.
Beginner Friendly With Caution ❌ No
Weekly Maintenance 10 minutes weekly 15 minutes weekly (deadheading, watering).

🔬 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.

Hardy Geranium

Scientific Name Geranium spp.
Family Geraniaceae
Native To Various species originate from different regions worldwide, including Europe, Asia, and North America.
Also Known As Hardy Geranium, Cranesbill
Leaves Leaves are typically palmate or deeply lobed, ranging in color from green to bronze, sometimes with interesting patterns or markings. Leaf texture can vary from smooth to slightly hairy.
Flowers Flowers are saucer-shaped, with five petals, and come in a variety of colors, including pink, purple, blue, white, and magenta. Flowering is profuse and long-lasting outdoors. Indoors, flowering is rare and significantly reduced.

📏 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.

Hardy Geranium

Height Indoors: 30-60 cm (unlikely to thrive). Outdoors: 30-90 cm.
Spread Indoors: 30-60 cm (unlikely to thrive). Outdoors: 30-90 cm. Some species can spread via rhizomes.
Growth Rate Moderate
Growth Pattern Forms a mounding or spreading habit, depending on the species. Some species spread via rhizomes, creating a groundcover effect.

🌱 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.

Hardy Geranium

Methods: Division, Stem cuttings, Seed

Difficulty: Easy

Tips: Divide established clumps in spring or fall. Take stem cuttings in late spring or early summer and root in well-draining soil. Seeds can be sown in spring after a period of cold stratification.

✨ 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

Hardy Geranium

Hardy Geraniums are known for their long blooming period, often flowering from late spring to fall. Their foliage can also be quite attractive, with some varieties displaying interesting colors and patterns.

  • ✓ Attracts pollinators to the garden.
  • ✓ Provides long-lasting color in the landscape.
  • ✓ Deer resistant, reducing garden damage.
  • ✓ Suppresses weeds, reducing maintenance.
  • ✓ Relatively low-maintenance once established.
  • ⚠️ 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.

Hardy Geranium

Repotting Not applicable for outdoor plants. If grown in containers, repot every 2-3 years or as needed.
Pruning Deadhead spent flowers regularly to encourage continued blooming. Cut back foliage after the first frost.
Fertilizing Balanced slow-release fertilizer in spring. Light feeding with liquid fertilizer during the growing season (every 4-6 weeks).
Seasonal Care Spring: Fertilize and divide if needed. Summer: Deadhead spent flowers to encourage more blooms. Fall: Cut back foliage after the first frost. Winter: Provide mulch in colder climates.

🌞 Light Requirements

Catnip

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

Low light tolerant: ❌ No

Hardy Geranium

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

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.

Hardy Geranium

Water thoroughly when the top inch of soil feels dry. Avoid overwatering, as this can lead to root rot. Ensure good drainage.

🌡️ Temperature & Humidity

Catnip

Temperature: 18-24°C

Humidity: 40-60%

Hardy Geranium

Temperature: 15-24°C

Humidity: 40-60%

🤔 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.
Hardy Geranium

Hardy Geranium

Geranium spp.
Care: Expert Time: 15 minutes weekly (deadheading, watering). Beginner: No

Gardeners looking for low-maintenance, long-blooming perennials for their outdoor beds and borders.

✅ Choose This Plant If...

  • You want a low-maintenance perennial for your garden.
  • You need a plant that is deer resistant.
  • You want to attract pollinators to your garden.
  • You desire a long blooming period.
  • You need a plant that can suppress weeds.

❌ Skip This Plant If...

  • You have pets that might ingest the plant.
  • You cannot provide adequate sunlight for outdoor plants indoors.
  • You are looking for a plant that thrives indoors with minimal care.
📍 Ideal Location: Outdoor garden beds, borders, or containers.
🎨 Style: Cottage, Traditional, Naturalistic
🏠 Apartment Friendly: No
⚠️ Geraniums contain geraniol and linalool, which are toxic to dogs, cats, and horses. Symptoms include vomiting, diarrhea, depression, and dermatitis. All parts of the plant are considered toxic.

🎯 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 Hardy Geranium is Expert.

💡 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.

Hardy Geranium Care Tips

Hardy Geraniums are primarily outdoor plants. While they can be attempted indoors, providing adequate light and preventing pests can be challenging. They require well-draining soil, regular watering, and occasional fertilization. Indoor flowering is unlikely.

  • Deadhead spent flowers regularly to encourage more blooms.
  • Provide well-draining soil to prevent root rot.
  • Fertilize in spring with a balanced slow-release fertilizer.
  • Divide established clumps every few years to maintain vigor.
  • Water deeply but infrequently, allowing the soil to dry out slightly between waterings.
❄️ Winter: Cut back foliage after the first frost. Provide mulch in colder climates to protect the roots. Reduce watering during dormancy.
☀️ Summer: Deadhead spent flowers regularly to encourage more blooms. Water deeply during dry spells. Provide some afternoon shade in hotter climates.

⚠️ 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.

Hardy Geranium

Common Issues: Root rot, Powdery mildew, Aphids, Spider mites
Solutions: Root rot: Ensure well-draining soil and avoid overwatering. Powdery mildew: Improve air circulation and apply fungicide. Aphids/Spider mites: Insecticidal soap or neem 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.

Hardy Geranium

What are the light requirements for Hardy Geranium?

Hardy Geraniums thrive best in locations that receive at least six hours of sunlight per day, although they can tolerate partial shade. In hotter climates, providing some afternoon shade can help prevent leaf scorch. When planting, consider the amount of sunlight your garden receives at different times of the day and choose a location that provides the optimal balance of light and shade.

How do I care for Hardy Geranium?

Hardy Geraniums are remarkably easy to care for, making them ideal for gardeners of all levels. Plant them in well-draining soil in a location that receives full sun to partial shade. Water regularly, especially during dry periods, but avoid overwatering, which can lead to root rot. Fertilize in spring with a balanced fertilizer to promote healthy growth and abundant blooms.

How do I propagate Hardy Geranium?

Hardy Geraniums can be easily propagated through division, stem cuttings, or seed. For division, carefully dig up the plant in early spring or fall and divide the root ball into smaller sections, each with healthy roots and foliage. Replant the divisions in well-draining soil.

Last updated: April 18, 2026 — Plant care data reviewed and verified by our editorial team.