Citronella vs Harlequin Flower 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
Harlequin Flower

Harlequin Flower

Tigridia pavonia

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
Harlequin Flower

Harlequin Flower

Tigridia pavonia

Tigridia pavonia, commonly known as the Harlequin Flower or Tiger Flower, is a bulbous perennial prized for its short-lived but spectacular blooms. It produces pleated, sword-shaped leaves from which tall stems arise, bearing several cup-shaped flowers. Each flower lasts only a single day, but successive blooms ensure a display lasting several weeks. The flowers come in a range of colors, including red, orange, yellow, pink, and white, often with contrasting spots or blotches in the center. Primarily an outdoor plant, it is grown for its vibrant summer blooms in gardens and containers. It is not naturally suited to indoor environments.

Iridaceae Mexico and Guatemala
✨ Features: Striking, short-lived flowers with intricate patterns.
📖 Read Complete Harlequin Flower Guide

Quick Plant Comparison

Feature Citronella Harlequin Flower
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 1-2 weeks, depending on weather and soil drainage
Humidity 40-60% 40-60%
Temperature 18-30°C 15-25°C
Care Level Expert Expert
Growth Rate Fast Moderate
Max Height 1-2 meters outdoors, significantly smaller indoors (0.3-0.6 meters) 0.3-0.6 meters (outdoors)
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining loamy soil Well-draining soil mix, such as a blend of potting soil, sand, and perlite.
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 15 minutes weekly 15 minutes weekly during growing season.

🔬 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.

Harlequin Flower

Scientific Name Tigridia pavonia
Family Iridaceae
Native To Mexico and Guatemala
Also Known As Harlequin Flower, Tiger Flower, Jockey's Cap Lily
Leaves The leaves are pleated, sword-shaped, and typically green. They grow from the base of the plant and can reach up to 30-45 cm in length.
Flowers It rarely flowers indoors. Outdoors, the flowers are cup-shaped and come in a range of colors, including red, orange, yellow, pink, and white. They often have contrasting spots or blotches in the center.

📏 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.

Harlequin Flower

Height 0.3-0.6 meters (outdoors)
Spread 0.15-0.3 meters
Growth Rate Moderate
Growth Pattern The plant grows upright from a bulb, producing sword-shaped leaves and tall flower stalks. Each stalk bears multiple cup-shaped flowers that bloom sequentially.

🌱 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.

Harlequin Flower

Methods: Bulb offsets, Seed

Difficulty: Moderate

Tips: Separate bulb offsets from the main bulb during dormancy and replant them in well-draining soil. Sow seeds in spring after a period of cold stratification.

✨ 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

Harlequin Flower

The Harlequin Flower is unique due to its short-lived, single-day blooms that are replaced by new flowers over several weeks. The intricate patterns and vibrant colors of the flowers make it a standout in any garden. The plant's bulbous nature and dormancy period also set it apart from many other flowering perennials.

  • ✓ Adds vibrant color and unique patterns to the garden.
  • ✓ Attracts pollinators like bees and butterflies.
  • ✓ Provides a visually interesting display with its short-lived but numerous blooms.
  • ✓ Can be grown in containers for flexibility in placement.
  • ✓ Offers a sense of accomplishment for gardeners who successfully cultivate it.
  • ⚠️ 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.

Harlequin Flower

Repotting Not applicable for indoor growing as it is not recommended. If grown in containers outdoors, repot every 2-3 years during dormancy.
Pruning Remove spent flower stalks to encourage further blooming.
Fertilizing Balanced liquid fertilizer (10-10-10) diluted to half strength, applied every 2-4 weeks during the growing season.
Seasonal Care In spring, plant bulbs after the last frost. Water regularly during the growing season. In fall, allow foliage to die back naturally and reduce watering as the plant enters dormancy. In colder climates, lift the bulbs and store them in a cool, dry place over winter.

🌞 Light Requirements

Citronella

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

Low light tolerant: ❌ No

Harlequin Flower

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.

Harlequin Flower

Water thoroughly when the top inch of soil feels dry. Avoid overwatering, which can lead to bulb rot. Ensure good drainage. Reduce watering after flowering as the plant enters dormancy. Signs of overwatering include yellowing leaves and a mushy bulb. Underwatering is indicated by wilting leaves and stunted growth.

🌡️ Temperature & Humidity

Citronella

Temperature: 18-30°C

Humidity: 40-60%

Harlequin Flower

Temperature: 15-25°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.
Harlequin Flower

Harlequin Flower

Tigridia pavonia
Care: Expert Time: 15 minutes weekly during growing season. Beginner: No

Gardeners in warmer climates looking for a unique and vibrant summer bloom.

✅ Choose This Plant If...

  • You want a unique and eye-catching flower in your garden.
  • You live in a warm climate with plenty of sunshine.
  • You enjoy the challenge of growing plants with specific needs.
  • You want a plant that attracts pollinators like bees and butterflies.
  • You appreciate the vibrant colors and intricate patterns of the flowers.

❌ Skip This Plant If...

  • You live in a cold climate with harsh winters and cannot provide winter storage for the bulbs.
  • You are looking for a low-maintenance indoor plant.
  • You have pets that might ingest the toxic bulbs.
  • You do not have a garden with full sun exposure.
📍 Ideal Location: Outdoor garden or patio with full sun exposure.
🎨 Style: Bohemian, Cottagecore, Eclectic
🏠 Apartment Friendly: No
⚠️ The bulbs of Tigridia species contain glycosides that can cause gastrointestinal upset in dogs, cats, and horses. Symptoms include vomiting, diarrhea, and abdominal pain. All parts of the plant may cause irritation.

🎯 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 Harlequin Flower prefers full sun (at least 6 hours of direct sunlight per day).

📈

Citronella has fast growth, while Harlequin Flower 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.

Harlequin Flower Care Tips

Tigridia pavonia is primarily an outdoor plant requiring full sun and well-draining soil. Indoor cultivation is challenging due to the high light requirements and dormancy period. It needs a cool, dry dormancy period to thrive. Without proper conditions, it will likely fail to bloom or survive indoors.

  • Plant bulbs in well-draining soil to prevent rot.
  • Provide full sun exposure for optimal flowering.
  • Water regularly during the growing season, but avoid overwatering.
  • Fertilize every 2-4 weeks with a balanced liquid fertilizer.
  • Lift and store bulbs in a cool, dry place over winter in colder climates.
❄️ Winter: In colder climates, lift the bulbs after the foliage dies back. Clean them and store them in a cool, dry place (around 5-10°C) like a garage or basement. Replant in spring after the last frost.
☀️ Summer: Provide regular watering during the growing season, especially during hot and dry periods. Fertilize every 2-4 weeks with a balanced liquid fertilizer. Ensure the plant receives full sun exposure.

⚠️ 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.

Harlequin Flower

Common Issues: Bulb rot, Aphids, Spider mites, Lack of flowering
Solutions: Ensure well-draining soil and avoid overwatering to prevent bulb rot. Treat aphids and spider mites with insecticidal soap. Provide full sun and proper fertilization to encourage flowering.

❓ 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.

Harlequin Flower

What are the light requirements for Harlequin Flower?

Harlequin Flower requires ample sunlight to thrive and produce vibrant blooms. Ideally, it should receive at least 6-8 hours of direct sunlight per day. If growing indoors, place the plant near a south-facing window where it can receive maximum sunlight. Insufficient light can lead to weak growth, leggy stems, and a lack of flowering.

How do I care for Harlequin Flower?

Harlequin Flower thrives in well-drained soil and requires full sun to partial shade. Water regularly during the growing season, keeping the soil consistently moist but not waterlogged. Reduce watering after flowering, allowing the plant to enter dormancy. Fertilize with a balanced fertilizer every 2-4 weeks during the growing season to promote healthy growth and abundant blooms. Deadhead spent flowers to encourage further flowering.

How do I propagate Harlequin Flower?

Harlequin Flower can be propagated through division of the bulbs or by seed. For division, carefully separate the bulbs after flowering, ensuring each section has roots. Replant the bulbs in well-drained soil.

Last updated: May 11, 2026 — Plant care data reviewed and verified by our editorial team.