Citronella vs Violet 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
Violet

Violet

Viola spp.

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
Violet

Violet

Viola spp.

Violets are herbaceous perennials, often low-growing, known for their distinctive spurred flowers. They exhibit a wide range of colors, including purple, blue, white, yellow, and bi-colors. Many species are naturally outdoor plants, thriving in woodland or grassland environments. While some varieties are grown indoors, they often require specific conditions to flourish. People grow them for their charming flowers, edible leaves and petals (in some species), and ground cover capabilities.

Violaceae Various species originate from temperate regions worldwide, including Europe, Asia, and North America.
✨ Features: Edible flowers and leaves (some species), attractive ground cover, fragrant blooms (some species).
📖 Read Complete Violet Guide

Quick Plant Comparison

Feature Citronella Violet
Light Full sun (at least 6-8 hours of direct sunlight daily) Partial shade to full sun outdoors; bright indirect light indoors.
Watering Every 3-7 days depending on weather and soil drainage. Every 5-7 days, adjust based on environmental conditions and soil dryness.
Humidity 40-60% 40-60%
Temperature 18-30°C 15-21°C
Care Level Expert Expert
Growth Rate Fast Moderate
Max Height 1-2 meters outdoors, significantly smaller indoors (0.3-0.6 meters) 15-30 cm
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining loamy soil Well-draining potting mix rich in organic matter.
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.

Violet

Scientific Name Viola spp.
Family Violaceae
Native To Various species originate from temperate regions worldwide, including Europe, Asia, and North America.
Also Known As Violet, Pansy, Johnny Jump Up, Sweet Violet
Leaves The leaves are typically heart-shaped or kidney-shaped, with scalloped edges. They are usually green, but some varieties may have reddish or purplish hues. The texture is generally smooth and slightly waxy.
Flowers Violets can flower indoors with sufficient light and proper care, but flowering is more prolific outdoors. The flowers are typically small, ranging from 1-3 cm in diameter, and have five petals, with the bottom petal having a spur. Colors range from purple, blue, white, yellow, and bi-colors.

📏 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.

Violet

Height 15-30 cm
Spread 15-30 cm, some species spread via rhizomes.
Growth Rate Moderate
Growth Pattern Violets typically grow as low-lying, spreading plants. Some species spread via rhizomes, forming colonies. They have a clumping or mounding growth habit.

🌱 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.

Violet

Methods: Seed, division, stem cuttings.

Difficulty: Easy

Tips: For division, separate rhizomes in spring or fall. For stem cuttings, take cuttings in spring and root them in water or moist soil. Seeds can be sown directly outdoors in fall or started indoors in early spring.

✨ 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

Violet

Violets are known for their spurred petals and heart-shaped leaves. Some species have fragrant blooms, and the flowers and leaves of certain varieties are edible. Their ability to self-pollinate via cleistogamous flowers is also unique.

  • ✓ Aesthetically pleasing with vibrant flowers.
  • ✓ Edible flowers and leaves (some species) can be used in salads and desserts.
  • ✓ Can attract pollinators to an outdoor garden.
  • ✓ Provides a touch of natural beauty to indoor spaces.
  • ✓ Can be propagated easily to create more plants.
  • ⚠️ 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.

Violet

Repotting Repot annually in spring, especially if the plant becomes root-bound or if the soil is depleted.
Pruning Deadhead spent flowers to encourage further blooming. Remove any yellowing or damaged leaves.
Fertilizing Balanced liquid fertilizer diluted to half strength, every 4-6 weeks during the growing season (spring and summer).
Seasonal Care In winter, reduce watering and provide cooler temperatures to encourage dormancy. In summer, protect from intense afternoon sun to prevent leaf scorch.

🌞 Light Requirements

Citronella

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

Low light tolerant: ❌ No

Violet

Partial shade to full sun outdoors; bright indirect light indoors.

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.

Violet

Keep soil consistently moist but not waterlogged. Allow the top inch of soil to dry out slightly between waterings. Overwatering can lead to root rot, indicated by yellowing leaves and a musty smell. Underwatering results in wilting and dry, crispy leaves.

🌡️ Temperature & Humidity

Citronella

Temperature: 18-30°C

Humidity: 40-60%

Violet

Temperature: 15-21°C

Humidity: 40-60%

🤔 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.
Violet

Violet

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

Experienced gardeners seeking a flowering plant for a bright, cool indoor space or a charming addition to an outdoor garden.

✅ Choose This Plant If...

  • You appreciate delicate, colorful flowers.
  • You want a plant with edible flowers and leaves (ensure species is edible).
  • You have a cool, bright location that mimics their natural habitat.
  • You enjoy a challenge in providing specific care requirements.
  • You want to propagate new plants easily through division or cuttings.

❌ Skip This Plant If...

  • You have pets that might ingest the plant.
  • You struggle with consistent watering schedules.
  • You don't have a bright, cool location.
  • You are a beginner gardener.
  • You prefer low-maintenance plants.
📍 Ideal Location: Bright, cool windowsill or under grow lights indoors; shaded garden bed outdoors.
🎨 Style: Cottagecore, Traditional, Romantic
🏠 Apartment Friendly: Limited
⚠️ Violets contain violanin, which can cause mild gastrointestinal upset in dogs, cats, and horses. Symptoms include vomiting and diarrhea. 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 Check space

⚡ Key Differences Between These Plants

☀️

Citronella needs full sun (at least 6-8 hours of direct sunlight daily), while Violet prefers partial shade to full sun outdoors; bright indirect light indoors..

📈

Citronella has fast growth, while Violet grows moderate.

💡 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.

Violet Care Tips

Violets are primarily outdoor plants and can be challenging to grow indoors. They require bright indirect light, consistent moisture, and good air circulation. Indoor plants are prone to pests and diseases. Regular monitoring and preventative measures are necessary.

  • Provide good air circulation to prevent fungal diseases.
  • Use a well-draining potting mix to avoid root rot.
  • Deadhead spent flowers regularly to encourage more blooms.
  • Monitor for pests like aphids and spider mites and treat promptly.
  • Provide a period of cooler temperatures in winter to mimic their natural dormancy.
❄️ Winter: Reduce watering frequency during winter as the plant's growth slows down. Provide cooler temperatures (around 10-15°C) to encourage dormancy. Avoid fertilizing during this period.
☀️ Summer: Protect the plant from intense afternoon sun to prevent leaf scorch. Increase watering frequency during hot weather. Ensure good air circulation to prevent fungal diseases.

⚠️ 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.

Violet

Common Issues: Aphids, spider mites, powdery mildew, root rot.
Solutions: Aphids and spider mites can be treated with insecticidal soap or neem oil. Powdery mildew can be addressed with a fungicide and improved air circulation. Root rot is caused by overwatering; repot in fresh soil and adjust watering habits.

❓ 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.

Violet

What are the light requirements for Violet?

Violets require bright, indirect light to thrive and bloom profusely. An east-facing window is ideal, providing gentle morning sun. West-facing windows can work if you provide some shading during the hottest part of the afternoon. Avoid direct sunlight from south-facing windows, as it can scorch the leaves. If you don’t have access to natural light, you can use fluorescent or LED grow lights. Position the plant 6-12 inches below the light source for 12-14 hours per day. Insufficient light will result in leggy growth and a lack of blooms. Rotate your Violet regularly to ensure all sides receive adequate light, preventing it from leaning towards the light source.

How do I care for Violet?

Violets thrive in bright, indirect light. Avoid direct sunlight, which can scorch their leaves. Water when the top inch of soil feels dry, using room-temperature water. Avoid getting water on the leaves, as this can cause spotting. Fertilize regularly with a balanced, water-soluble fertilizer diluted to half strength, especially during blooming periods. Maintain humidity levels between 50-60%. Repot annually in a well-draining potting mix specifically formulated for African violets. Remove spent flowers to encourage continuous blooming. Keep Violets in temperatures between 65-75°F (18-24°C). Rotate the plant regularly to ensure even growth. Provide good air circulation to prevent fungal diseases. Regularly check for pests and treat promptly if any are found.

How do I propagate Violet?

Violets can be easily propagated from leaf cuttings. Select a healthy leaf with a 1-2 inch stem. Insert the stem into a small pot filled with moist African violet potting mix. Cover the pot with a plastic bag to create a humid environment. Place the pot in bright, indirect light. Roots will typically form in 4-6 weeks. Once roots have formed, remove the plastic bag and continue to care for the new plant as you would a mature Violet. Division can also be used by carefully separating offshoots from the main plant. Keikis (small plantlets that grow on the stem) can be removed and potted separately.

Last updated: April 19, 2026 — Plant care data reviewed and verified by our editorial team.