Exacum vs Indian Shot Plant Comparison

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

Exacum

Exacum

Exacum affine

VS
Indian Shot

Indian Shot

Canna indica

Exacum

Exacum

Exacum affine

Exacum affine, commonly known as Persian Violet, is a small, bushy, herbaceous perennial often grown as an annual. It typically reaches a height of 15-30 cm. It features small, oval, glossy green leaves and a profusion of fragrant, star-shaped flowers, usually violet-blue, but also available in white, pink, and lavender. While technically a perennial, it is most often cultivated as an annual or a houseplant due to its sensitivity to cold temperatures. People grow it for its charming, long-lasting blooms and sweet fragrance.

Gentianaceae Socotra Island (Yemen)
✨ Features: Fragrant flowers, long blooming period
📖 Read Complete Exacum Guide
Indian Shot

Indian Shot

Canna indica

Canna indica, commonly known as Indian Shot, is a rhizomatous perennial known for its bold foliage and vibrant flowers. It typically grows to a height of 1-2 meters. The plant features large, paddle-shaped leaves and produces asymmetrical flowers in shades of red, orange, yellow, or pink. While it can be grown indoors, it requires very bright light and ample space, making it primarily an outdoor plant. People grow it for its ornamental value, adding a tropical flair to gardens and landscapes. The rhizomes are also edible, providing starch.

Cannaceae South America (exact origin debated)
✨ Features: Edible rhizomes, vibrant flowers, bold foliage.
📖 Read Complete Indian Shot Guide

Quick Plant Comparison

Feature Exacum Indian Shot
Light Bright, indirect light. Avoid direct sunlight, especially during the hottest part of the day. Full sun to partial shade. Requires at least 6 hours of direct sunlight daily for optimal growth and flowering.
Watering Every 5-7 days, depending on environmental conditions Every 2-5 days during the growing season, depending on weather and soil drainage. Less frequently in winter.
Humidity 40-60% 40-60%
Temperature 18-21°C 18-27°C
Care Level Moderate Expert
Growth Rate Moderate Fast
Max Height 15-30 cm 0.5-1 meter indoors (much taller outdoors)
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining potting mix, such as a mix of peat moss, perlite, and vermiculite. Well-draining, fertile soil rich in organic matter. A mix of potting soil, compost, and perlite is suitable.
Beginner Friendly With Caution ❌ No
Weekly Maintenance 10 minutes weekly 30 minutes weekly (primarily watering, fertilizing, and deadheading)

🔬 Botanical Information — Comparing These Plants

Exacum

Scientific Name Exacum affine
Family Gentianaceae
Native To Socotra Island (Yemen)
Also Known As Persian Violet, German Violet, Arabian Violet, Tiny Violet
Leaves Small, oval, and glossy green leaves, typically 2-4 cm long. They have a smooth texture and are arranged oppositely along the stems.
Flowers Yes, it flowers indoors readily with proper care. The flowers are star-shaped, about 1-2 cm in diameter, and typically violet-blue, but can also be white, pink, or lavender. They have a sweet, noticeable fragrance.

Indian Shot

Scientific Name Canna indica
Family Cannaceae
Native To South America (exact origin debated)
Also Known As Indian Shot, Canna Lily, Achira, Edible Canna
Leaves Large, paddle-shaped leaves, typically green but can also be bronze or variegated. Leaves are smooth and can grow up to 60 cm long and 30 cm wide.
Flowers Produces asymmetrical flowers in shades of red, orange, yellow, or pink. Flowering is more prolific outdoors in full sun. Rarely flowers indoors due to insufficient light.

📏 Size & Growth — Plant Comparison

Exacum

Height 15-30 cm
Spread 15-25 cm
Growth Rate Moderate
Growth Pattern Bushy and compact, growing upright to a height of 15-30 cm. It does not trail or climb.

Indian Shot

Height 0.5-1 meter indoors (much taller outdoors)
Spread 0.3-0.6 meters indoors (spreads via rhizomes)
Growth Rate Fast
Growth Pattern Upright, clumping growth habit. Spreads via rhizomes, which can become quite dense over time.

🌱 Propagation — Comparing Plant Growth

Exacum

Methods: Seed, Stem cuttings

Difficulty: Moderate

Tips: For seeds, sow in spring. For stem cuttings, take cuttings in spring or summer and root in moist potting mix. Maintain high humidity.

Indian Shot

Methods: Division, Seed

Difficulty: Easy

Tips: Divide rhizomes in early spring before new growth emerges. Ensure each division has at least one eye (bud). Seeds require scarification (nicking the seed coat) and soaking before planting.

✨ Benefits & Features — Comparing Plant Value

Exacum

The intense fragrance of its small, star-shaped flowers is a standout feature. It is often grown as an annual, despite being a perennial, due to its specific environmental needs.

  • ✓ Adds a splash of color to indoor spaces.
  • ✓ Provides a pleasant fragrance.
  • ✓ Can improve mood and reduce stress.
  • ✓ Relatively compact size makes it suitable for small spaces.
  • ✓ Long blooming period provides extended enjoyment.
  • ⚠️ Toxic to pets

Indian Shot

Its large, paddle-shaped leaves and vibrant, asymmetrical flowers give it a distinctive tropical appearance. The edible rhizomes are another unique feature, setting it apart from many other ornamental plants.

  • ✓ Adds a tropical aesthetic to gardens
  • ✓ Provides edible rhizomes
  • ✓ Attracts pollinators like hummingbirds
  • ✓ Offers bold foliage and vibrant colors
  • ✓ Can be used as a privacy screen outdoors
  • ⚠️ Toxic to pets

📅 Maintenance Schedule — Plant Care Comparison

Exacum

Repotting Repot in spring if the plant becomes root-bound, typically every 1-2 years.
Pruning Pinch back stems to encourage bushier growth and remove spent flowers to prolong blooming.
Fertilizing Balanced liquid fertilizer (10-10-10) diluted to half strength, every 2-4 weeks during the growing season (spring and summer).
Seasonal Care During the growing season (spring and summer), water more frequently and fertilize regularly. Reduce watering in the fall and winter. Provide bright light year-round.

Indian Shot

Repotting Annually in spring if grown in containers, especially if rhizomes are crowded.
Pruning Remove spent flower stalks and yellowing leaves to encourage new growth and maintain appearance.
Fertilizing Balanced liquid fertilizer (10-10-10) diluted to half strength, applied every 2-4 weeks during the growing season.
Seasonal Care In summer, ensure consistent watering and fertilization. In winter, cut back foliage and store rhizomes in a cool, dry place if in a cold climate. If kept indoors, reduce watering and maintain bright light.

🌞 Light Requirements

Exacum

Bright, indirect light. Avoid direct sunlight, especially during the hottest part of the day.

Low light tolerant: ❌ No

Indian Shot

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

Low light tolerant: ❌ No

💧 Watering Needs

Exacum

Water thoroughly when the top inch of soil feels dry to the touch. Ensure good drainage to prevent root rot. Overwatering can lead to yellowing leaves and fungal diseases. Underwatering will cause wilting and bud drop.

Indian Shot

Water deeply when the top inch of soil feels dry. Avoid overwatering, which can lead to rhizome rot. During the growing season, water more frequently. Reduce watering in the winter. Signs of underwatering include drooping leaves and dry soil. Overwatering signs include yellowing leaves and soggy soil.

🌡️ Temperature & Humidity

Exacum

Temperature: 18-21°C

Humidity: 40-60%

Indian Shot

Temperature: 18-27°C

Humidity: 40-60%

🤔 Which Plant Is Right For You?

Exacum

Exacum

Exacum affine
Care: Moderate Time: 10 minutes weekly Beginner: With-caution

Someone who appreciates fragrant, flowering houseplants and is willing to provide the necessary care to maintain humidity and prevent overwatering.

✅ Choose This Plant If...

  • You love fragrant flowers and want a plant that blooms for a long time.
  • You can provide bright, indirect light and maintain moderate humidity.
  • You are attentive to watering needs and can avoid overwatering.
  • You enjoy the challenge of caring for a slightly more demanding houseplant.
  • You want a compact plant that fits well on a windowsill or small table.

❌ Skip This Plant If...

  • You have pets that might ingest the plant.
  • You tend to overwater your plants.
  • You struggle to provide adequate humidity.
  • You prefer low-maintenance plants that tolerate neglect.
📍 Ideal Location: Bright windowsill (east or west-facing), bathroom with good light, or under grow lights.
🎨 Style: Cottagecore, Traditional, Romantic
🏠 Apartment Friendly: Yes
⚠️ According to the ASPCA, Exacum affine is toxic to dogs, cats, and horses. Symptoms include vomiting, diarrhea, and depression. All parts of the plant are considered toxic.
Indian Shot

Indian Shot

Canna indica
Care: Expert Time: 30 minutes weekly (primarily watering, fertilizing, and deadheading) Beginner: No

Gardeners in warm climates looking for a bold, tropical-looking plant for their outdoor spaces.

✅ Choose This Plant If...

  • You want a bold, tropical look in your garden.
  • You live in a warm climate where it can thrive outdoors.
  • You enjoy vibrant, colorful flowers.
  • You are interested in edible plants and want to try growing your own starch source.
  • You have a sunny outdoor space and are willing to provide consistent care.

❌ Skip This Plant If...

  • You have limited indoor space and cannot provide very bright light.
  • You have pets that might ingest the plant.
  • You live in a cold climate and don't want to deal with overwintering the rhizomes.
  • You are looking for a low-maintenance indoor plant.
📍 Ideal Location: Sunny patio or garden location with well-draining soil. Difficult to maintain indoors.
🎨 Style: Tropical, Bohemian, Exotic
🏠 Apartment Friendly: No
⚠️ According to the ASPCA, Canna species are toxic to dogs, cats, and horses. The toxic principle is unknown. Symptoms include mild gastrointestinal irritation (vomiting, 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 Exacum

⚡ Key Differences Between These Plants

🎯

Exacum is rated Moderate care level, while Indian Shot is Expert.

📈

Exacum has moderate growth, while Indian Shot grows fast.

💡 Pro Tips For Comparing These Plants

Exacum Care Tips

Exacum affine requires bright, indirect light, consistent moisture, and moderate humidity. It is sensitive to overwatering and cold drafts. Maintaining proper humidity is crucial for preventing bud drop. It is toxic to pets, so keep it out of reach.

  • Use a well-draining potting mix to prevent root rot.
  • Maintain moderate humidity by misting regularly or using a humidifier.
  • Avoid placing the plant in direct sunlight, which can scorch the leaves.
  • Pinch back stems to encourage bushier growth and more blooms.
  • Fertilize regularly during the growing season to promote flowering.
❄️ Winter: Reduce watering frequency as the plant's growth slows down. Maintain bright, indirect light. Avoid placing near cold drafts. Do not fertilize during the winter months.
☀️ Summer: Water more frequently during the warmer months. Ensure adequate humidity. Protect from direct sunlight to prevent leaf scorch. Fertilize regularly to promote flowering.

Indian Shot Care Tips

Canna indica is primarily an outdoor plant. Growing it indoors is challenging due to its high light requirements and potential for aggressive rhizome spread. It needs very bright light, consistent moisture, and regular fertilization. Overwintering rhizomes indoors is a common practice in colder climates.

  • Provide consistent moisture during the growing season.
  • Fertilize regularly to promote flowering.
  • Protect from strong winds that can damage the large leaves.
  • Overwinter rhizomes indoors in cold climates.
  • Divide rhizomes every few years to prevent overcrowding.
❄️ Winter: Cut back foliage after the first frost. In cold climates, dig up rhizomes and store them in a cool, dry place. If kept indoors, reduce watering significantly.
☀️ Summer: Ensure consistent watering and fertilization during the growing season. Protect from intense afternoon sun in extremely hot climates to prevent leaf scorch.

⚠️ Common Problems & Solutions — Plant Care Comparison

Exacum

Common Issues: Bud drop, Root rot, Aphids, Spider mites
Solutions: Bud drop: Increase humidity and ensure consistent watering. | Root rot: Improve drainage and reduce watering frequency. | Aphids: Treat with insecticidal soap or neem oil. | Spider mites: Increase humidity and treat with miticide.

Indian Shot

Common Issues: Spider mites, Aphids, Rhizome rot, Leaf spot
Solutions: Spider mites/Aphids: Insecticidal soap or neem oil. Rhizome rot: Improve drainage, reduce watering. Leaf spot: Fungicide, improve air circulation.

❓ Frequently Asked Questions — Comparing These Plants

Exacum

What are the light requirements for Exacum?

Exacum thrives in bright, indirect light. An east-facing window is ideal, providing gentle morning sun. Avoid direct sunlight, especially during the hottest part of the day, as it can burn the delicate leaves and fade the flowers. If you don’t have access to a bright window, consider using a grow light to supplement the natural light. Rotate the plant regularly to ensure even growth and blooming on all sides. Insufficient light can result in leggy growth and reduced flowering. If the leaves start to turn pale or yellow, it may be a sign of too much direct light.

How do I care for Exacum?

Exacum prefers bright, indirect light; direct sunlight can scorch the leaves. Water when the top inch of soil feels dry, ensuring proper drainage to prevent root rot. Maintain moderate humidity, ideally between 50-60%. Fertilize every 2-4 weeks during the blooming season with a balanced liquid fertilizer diluted to half strength. Keep temperatures between 60-75°F (15-24°C). Prune spent flowers to encourage continuous blooming. Repot only when necessary, using a well-draining potting mix. Avoid overwatering and provide good air circulation. Monitor for pests such as aphids or spider mites and treat promptly. Deadhead regularly. Provide a consistent environment to avoid stress. Ensure adequate drainage to prevent soggy soil.

How do I propagate Exacum?

Exacum can be propagated from stem cuttings. Take a 2-3 inch cutting from a healthy stem, removing the lower leaves. Dip the cut end in rooting hormone and plant in a well-draining potting mix. Keep the soil moist and provide bright, indirect light. Cover with a plastic bag to increase humidity. Roots should develop within a few weeks. Once rooted, transplant into a larger pot. Exacum is not typically propagated by division or keiki. Ensure the cutting is free from disease or pests. Mist regularly to maintain humidity during rooting. Provide bottom heat to encourage faster root development.

Indian Shot

What are the light requirements for Indian Shot?

Indian Shot plants thrive in bright, sunny locations. Ideally, they need at least 6 hours of direct sunlight each day to produce abundant blooms. While they can tolerate partial shade, insufficient light can result in fewer flowers and leggy growth. The intensity of sunlight influences the flower color; brighter light often leads to more vibrant hues.

How do I care for Indian Shot?

Indian Shot thrives in warm conditions and requires well-draining soil. Plant rhizomes in the spring after the last frost, about 4-6 inches deep and 1-2 feet apart. Choose a location with full sun to partial shade; at least 6 hours of direct sunlight is optimal for flowering. Water deeply and regularly, especially during hot, dry periods, keeping the soil consistently moist but not waterlogged.

How do I propagate Indian Shot?

Indian Shot can be easily propagated through division of the rhizomes. In early spring, before new growth begins, carefully dig up the plant and separate the rhizomes into sections, ensuring each section has at least one growth eye. Plant the divisions in well-draining soil, about 4-6 inches deep, and water thoroughly.

Last updated: April 25, 2026 — Plant care data reviewed and verified by our editorial team.