Citronella vs German Chamomile Plant Comparison

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

Citronella

Citronella

Cymbopogon nardus or Cymbopogon winterianus

VS
German Chamomile

German Chamomile

Matricaria chamomilla

Citronella

Citronella

Cymbopogon nardus or Cymbopogon winterianus

Citronella is a perennial clumping grass known for its distinct citrusy scent, primarily due to the presence of citronellal and geraniol in its leaves. It typically grows to a height of 3-6 feet. It's primarily grown outdoors for its mosquito-repelling properties, although the effectiveness is debated and requires crushing the leaves to release the oils. It is not naturally an indoor plant and requires very specific conditions to thrive indoors.

Poaceae (Grass family) Asia (Sri Lanka, India, Indonesia)
✨ Features: Citrus-scented foliage, mosquito-repelling properties (when crushed).
📖 Read Complete Citronella Guide
German Chamomile

German Chamomile

Matricaria chamomilla

German chamomile is an annual plant typically grown for its medicinal and aromatic properties. It features delicate, feathery leaves and small, daisy-like flowers with white petals surrounding a yellow central disc. It grows to about 1-2 feet tall and spreads readily. While primarily an outdoor plant, it can be grown indoors with significant effort to replicate its preferred sunny conditions. People grow it for its calming tea, essential oils, and ornamental value in gardens.

Asteraceae Europe and Asia
✨ Features: Aromatic flowers, medicinal properties, attracts pollinators
📖 Read Complete German Chamomile Guide

Quick Plant Comparison

Feature Citronella German Chamomile
Light Full sun (at least 6-8 hours of direct sunlight daily) Full sun (at least 6 hours of direct sunlight per day)
Watering Every 3-7 days depending on weather and soil drainage. Every 2-5 days outdoors, every 5-7 days indoors, depending on sunlight and temperature
Humidity 40-60% 30-50%
Temperature 18-30°C 15-24°C
Care Level Expert Expert
Growth Rate Fast Fast
Max Height 1-2 meters outdoors, significantly smaller indoors (0.3-0.6 meters) 0.3-0.6 meters (1-2 feet) indoors, slightly taller outdoors
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining loamy soil Well-draining sandy or loamy soil
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 15 minutes weekly 15 minutes weekly

🔬 Botanical Information — Comparing These Plants

Citronella

Scientific Name Cymbopogon nardus or Cymbopogon winterianus
Family Poaceae (Grass family)
Native To Asia (Sri Lanka, India, Indonesia)
Also Known As Citronella grass, Nardus grass, Mana grass
Leaves The leaves are long, slender, and green, with a rough texture. They are typically 1-3 cm wide and up to 1 meter long. When crushed, the leaves release a strong citrus scent.
Flowers Citronella rarely flowers indoors. Outdoors, it produces panicles of small, inconspicuous flowers.

German Chamomile

Scientific Name Matricaria chamomilla
Family Asteraceae
Native To Europe and Asia
Also Known As German chamomile, Chamomile, Wild chamomile
Leaves Finely divided, feathery leaves that are light green in color. They are alternate along the stem and have a delicate, almost fern-like appearance.
Flowers It produces small, daisy-like flowers with white petals surrounding a bright yellow central disc. While it can flower indoors under ideal conditions, it's more common and prolific outdoors.

📏 Size & Growth — Plant Comparison

Citronella

Height 1-2 meters outdoors, significantly smaller indoors (0.3-0.6 meters)
Spread 0.5-1 meter, clumping growth habit
Growth Rate Fast
Growth Pattern Citronella grows in clumps, with upright stems reaching several feet in height. It spreads through rhizomes, but is not considered highly invasive.

German Chamomile

Height 0.3-0.6 meters (1-2 feet) indoors, slightly taller outdoors
Spread 0.3-0.6 meters (1-2 feet)
Growth Rate Fast
Growth Pattern Upright, branching annual that forms a bushy clump. It tends to sprawl if not supported or pruned.

🌱 Propagation — Comparing Plant Growth

Citronella

Methods: Division, Seed

Difficulty: Easy

Tips: Divide established clumps in spring or early summer. Ensure each division has healthy roots and shoots. Plant in well-draining soil and water thoroughly.

German Chamomile

Methods: Seed

Difficulty: Easy

Tips: Sow seeds directly into the soil in spring or fall. Lightly cover the seeds with soil and keep them moist until germination.

✨ Benefits & Features — Comparing Plant Value

Citronella

The strong citrus scent is the most unique characteristic. The plant's mosquito-repelling properties, though debated, are also a key feature. It is a fast-growing grass that can quickly fill in garden spaces.

  • ✓ Natural mosquito repellent (when crushed)
  • ✓ Pleasant citrus scent
  • ✓ Fast-growing ground cover
  • ✓ Adds texture and movement to the garden
  • ✓ Relatively easy to propagate
  • ⚠️ Toxic to pets

German Chamomile

Its distinct apple-like fragrance and delicate, daisy-like flowers make it easily identifiable. It's also known for its medicinal properties, particularly its calming and anti-inflammatory effects.

  • ✓ Provides calming tea ingredients.
  • ✓ Attracts beneficial insects to the garden.
  • ✓ Adds a pleasant aroma to the garden.
  • ✓ Can be used in homemade skincare products.
  • ✓ Offers a visually appealing, delicate aesthetic.
  • ⚠️ Toxic to pets

📅 Maintenance Schedule — Plant Care Comparison

Citronella

Repotting Repot every 1-2 years in spring if grown in a container, or when the plant becomes root-bound.
Pruning Trim dead or yellowing leaves regularly. Cut back the plant in late winter or early spring to encourage new growth.
Fertilizing Balanced liquid fertilizer (10-10-10) diluted to half strength, every 4-6 weeks during the growing season (spring/summer).
Seasonal Care During the growing season (spring/summer), water more frequently and fertilize regularly. In winter, reduce watering and withhold fertilizer. Protect from frost.

German Chamomile

Repotting Not applicable as it's an annual plant. Start new seeds each year.
Pruning Deadhead spent flowers to encourage further blooming. Trim back leggy growth.
Fertilizing Light feeding with a balanced liquid fertilizer every 4-6 weeks during the growing season (spring/summer). Dilute to half strength.
Seasonal Care In winter, reduce watering and protect from frost. In summer, ensure adequate watering and provide afternoon shade in very hot climates.

🌞 Light Requirements

Citronella

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

Low light tolerant: ❌ No

German Chamomile

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

Low light tolerant: ❌ No

💧 Watering Needs

Citronella

Water thoroughly when the top inch of soil feels dry. Avoid overwatering, which can lead to root rot. Allow soil to drain freely. Signs of underwatering include drooping or browning leaves. Overwatering can cause yellowing leaves and a musty smell from the soil.

German Chamomile

Water deeply when the top inch of soil feels dry. Avoid overwatering, which can lead to root rot. Signs of overwatering include yellowing leaves and a musty smell. Underwatering is indicated by wilting and dry, crispy leaves.

🌡️ Temperature & Humidity

Citronella

Temperature: 18-30°C

Humidity: 40-60%

German Chamomile

Temperature: 15-24°C

Humidity: 30-50%

🤔 Which Plant Is Right For You?

Citronella

Citronella

Cymbopogon nardus or Cymbopogon winterianus
Care: Expert Time: 15 minutes weekly Beginner: No

Gardeners with outdoor space looking for a natural mosquito repellent (though effectiveness is limited).

✅ Choose This Plant If...

  • You want a natural mosquito repellent for your garden (though effectiveness is limited).
  • You enjoy the citrusy scent of the foliage.
  • You have a sunny outdoor space.
  • You are experienced with plant care and can provide the specific conditions needed.
  • You want a fast-growing grass for your garden.

❌ Skip This Plant If...

  • You don't have a sunny outdoor space.
  • You have pets that might ingest the plant.
  • You are looking for a low-maintenance indoor plant.
  • You are sensitive to strong scents.
  • You live in a climate with harsh winters.
📍 Ideal Location: Sunny outdoor garden or patio.
🎨 Style: Tropical, Naturalistic
🏠 Apartment Friendly: No
⚠️ According to the ASPCA, citronella contains essential oils that are toxic to dogs, cats, and horses. Symptoms include vomiting, diarrhea, increased salivation, and dermatitis.
German Chamomile

German Chamomile

Matricaria chamomilla
Care: Expert Time: 15 minutes weekly Beginner: No

Experienced gardeners who want to grow their own chamomile for tea or other medicinal purposes and have a sunny outdoor space.

✅ Choose This Plant If...

  • You want to grow your own tea ingredients.
  • You have a sunny garden space.
  • You enjoy the apple-like scent of the flowers.
  • You want to attract pollinators to your garden.
  • You are experienced with growing herbs.

❌ Skip This Plant If...

  • You have limited sunlight indoors.
  • You have pets that might ingest the plant.
  • You are a beginner gardener looking for an easy indoor plant.
📍 Ideal Location: Outdoor garden or sunny patio. If indoors, a south-facing window with supplemental grow lights.
🎨 Style: Cottage garden, Herb garden, Naturalistic
🏠 Apartment Friendly: Limited
⚠️ According to the ASPCA, chamomile can be toxic to dogs, cats, and horses. Symptoms include vomiting, diarrhea, anorexia, and allergic reactions.

🎯 Quick Verdict

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

⚡ Key Differences Between These Plants

☀️

Citronella needs full sun (at least 6-8 hours of direct sunlight daily), while German Chamomile prefers full sun (at least 6 hours of direct sunlight per day).

💡 Pro Tips For Comparing These Plants

Citronella Care Tips

Citronella is primarily an outdoor plant. Growing it indoors is challenging due to its high light requirements. It needs full sun, well-draining soil, and careful watering to avoid root rot. It is also toxic to pets, so keep it out of reach.

  • Plant in well-draining soil to prevent root rot.
  • Provide at least 6-8 hours of direct sunlight daily.
  • Water deeply but infrequently, allowing the soil to dry out slightly between waterings.
  • Fertilize regularly during the growing season.
  • Protect from frost in colder climates.
❄️ Winter: In colder climates, protect citronella from frost by bringing it indoors (though it will likely struggle) or covering it with a frost blanket. Reduce watering significantly.
☀️ Summer: Water more frequently during the summer months, especially during hot, dry weather. Fertilize regularly to promote healthy growth. Ensure adequate sunlight.

German Chamomile Care Tips

German chamomile is primarily an outdoor plant and requires full sun to thrive. Growing it indoors is challenging due to the high light requirements. It needs well-draining soil and careful watering to avoid root rot. Supplemental grow lights are often necessary for indoor cultivation.

  • Start seeds indoors 6-8 weeks before the last frost if you want an early start.
  • Ensure well-draining soil to prevent root rot.
  • Harvest flowers in the morning when they are fully open for the best flavor and potency.
  • Dry the flowers thoroughly before storing them for tea.
  • Provide support if the plants become leggy or top-heavy.
❄️ Winter: As an annual, German chamomile typically dies back in winter. Protect from hard frosts if you want to try and overwinter it, but it's best to start fresh seeds in the spring.
☀️ Summer: Ensure consistent watering during hot summer months. Provide afternoon shade in extremely hot climates to prevent scorching. Harvest flowers regularly to encourage continued blooming.

⚠️ Common Problems & Solutions — Plant Care Comparison

Citronella

Common Issues: Root rot, spider mites, insufficient sunlight
Solutions: Root rot: Ensure well-draining soil and avoid overwatering. Spider mites: Treat with insecticidal soap or neem oil. Insufficient sunlight: Provide supplemental lighting or move the plant outdoors during the growing season.

German Chamomile

Common Issues: Leggy growth, Powdery mildew, Aphids, Root rot
Solutions: Provide more light for leggy growth. Improve air circulation and use a fungicide for powdery mildew. Treat aphids with insecticidal soap. Ensure proper drainage and avoid overwatering to prevent root rot.

❓ Frequently Asked Questions — Comparing These Plants

Citronella

What are the light requirements for Citronella?

Citronella plants need a good amount of sunlight to thrive. Aim for at least 6 hours of direct sunlight per day for optimal growth and mosquito-repelling potency. If growing indoors, place the plant near a sunny window, preferably south-facing. If natural light is insufficient, supplement with grow lights.

How do I care for Citronella?

Citronella plants thrive in well-draining soil and prefer full sun to partial shade. Water regularly, allowing the soil to dry slightly between waterings. Avoid overwatering, which can lead to root rot. Fertilize every 4-6 weeks during the growing season (spring and summer) with a balanced fertilizer to promote healthy growth and flowering.

How do I propagate Citronella?

Citronella can be propagated through several methods. Division involves separating the plant into smaller clumps and repotting them. Stem cuttings can be taken from healthy stems and rooted in water or soil. Keikis, or baby plants, sometimes form on mature plants and can be carefully removed and potted.

German Chamomile

What are the light requirements for German Chamomile?

German Chamomile requires ample sunlight to flourish and produce abundant blooms. Ideally, provide at least six hours of direct sunlight per day. A south-facing window or a sunny spot in the garden is ideal. If growing indoors and natural light is limited, supplement with grow lights to ensure adequate illumination. Insufficient light can lead to leggy growth, reduced flowering, and pale foliage. Rotate the plant regularly to ensure even light exposure on all sides. Avoid exposing the plant to intense afternoon sun during peak summer months, as this can scorch the leaves.

How do I care for German Chamomile?

German Chamomile thrives in full sun to partial shade, requiring at least six hours of sunlight daily for optimal blooming. Water regularly, keeping the soil consistently moist but not waterlogged, especially during dry periods. Well-draining soil is crucial to prevent root rot. Fertilize lightly every 4-6 weeks during the growing season with a balanced liquid fertilizer. Deadhead spent flowers to encourage continuous blooming. Prune back the plant after flowering to maintain its shape and promote bushier growth. Protect from frost in colder climates or grow as an annual. Monitor for pests like aphids and treat as needed. Provide good air circulation to prevent fungal diseases.

How do I propagate German Chamomile?

German Chamomile can be propagated easily from seeds or by division. For seeds, sow them directly into the soil in spring or fall. Keep the soil moist until germination occurs. For division, gently separate the root ball of an established plant into smaller sections, ensuring each section has healthy roots and foliage. Replant the divisions in well-draining soil. It also can be propagated by stem cuttings. Take 4-6 inch cuttings from healthy stems, remove the lower leaves, and place them in water or directly into moist soil. Keep the cuttings in a warm, bright location until roots develop.

Last updated: May 2, 2026 — Plant care data reviewed and verified by our editorial team.