Crocosmia vs Gloxinia Plant Comparison

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

Crocosmia

Crocosmia

Crocosmia × crocosmiiflora

VS
Gloxinia

Gloxinia

Sinningia speciosa

Crocosmia

Crocosmia

Crocosmia × crocosmiiflora

Crocosmia × crocosmiiflora is a deciduous, clump-forming perennial flowering plant primarily grown outdoors for its vibrant, arching sprays of tubular flowers. It typically reaches a height of 60-75 cm. The flowers are usually orange or red, attracting hummingbirds and butterflies. It grows from corms and spreads via rhizomes. While it can be grown in containers, it is not ideally suited for indoor environments due to its high light requirements and dormancy period. People grow it for its bright summer blooms and easy propagation.

Iridaceae Hybrid origin, derived from species native to South Africa
✨ Features: Attracts hummingbirds and butterflies.
📖 Read Complete Crocosmia Guide
Gloxinia

Gloxinia

Sinningia speciosa

Sinningia speciosa, commonly known as Gloxinia, is a tuberous perennial native to Brazil. It's prized for its large, velvety, bell-shaped flowers that come in a range of colors, including red, pink, purple, and white, often with contrasting borders. The plant features large, oval, velvety leaves. While technically a perennial, it's often treated as an annual or a houseplant. It is primarily grown for its showy blooms, making it a popular choice for adding vibrant color to indoor spaces. It typically grows to a height and spread of about 25-30 cm.

Gesneriaceae Brazil
✨ Features: Showy, velvety flowers in a variety of colors.
📖 Read Complete Gloxinia Guide

Quick Plant Comparison

Feature Crocosmia Gloxinia
Light Full sun to partial shade. Requires at least 6 hours of direct sunlight daily for optimal flowering. Bright, indirect light. Avoid direct sunlight, which can scorch the leaves.
Watering Every 1-2 weeks during the growing season, less frequently during dormancy. Every 7-10 days during active growth, less frequently during dormancy.
Humidity 40-60% 50-60%
Temperature 15-25°C 18-24°C
Care Level Expert Moderate
Growth Rate Moderate Moderate
Max Height 60-75 cm (outdoors); less predictable indoors, potentially smaller. 20-30 cm
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining soil, such as a mix of loam, sand, and compost. Well-draining potting mix, such as a mix of peat moss, perlite, and vermiculite.
Beginner Friendly ❌ No With Caution
Weekly Maintenance 15 minutes weekly during the growing season. 10 minutes weekly

🔬 Botanical Information — Comparing These Plants

Crocosmia

Scientific Name Crocosmia × crocosmiiflora
Family Iridaceae
Native To Hybrid origin, derived from species native to South Africa
Also Known As Montbretia, Coppertips, Falling Stars
Leaves The leaves are sword-shaped, linear, and mid-green in color. They are typically 30-60 cm long and 1-2 cm wide. The texture is smooth and slightly glossy.
Flowers Crocosmia rarely flowers indoors due to insufficient light. Outdoors, it produces vibrant, tubular flowers in shades of orange, red, and yellow. The flowers are arranged in arching sprays and bloom in summer.

Gloxinia

Scientific Name Sinningia speciosa
Family Gesneriaceae
Native To Brazil
Also Known As Gloxinia, Florist's Gloxinia, Brazilian Gloxinia
Leaves The leaves are large, oval, and velvety, with a slightly scalloped edge. They are typically dark green in color.
Flowers Gloxinias readily flower indoors with proper care. The flowers are large, bell-shaped, and velvety, coming in a range of colors including red, pink, purple, and white, often with contrasting borders. They can bloom for several weeks.

📏 Size & Growth — Plant Comparison

Crocosmia

Height 60-75 cm (outdoors); less predictable indoors, potentially smaller.
Spread 30-60 cm, spreads via rhizomes.
Growth Rate Moderate
Growth Pattern Crocosmia grows in clumps, with upright, sword-shaped leaves emerging from corms. The flower stalks arch gracefully, displaying multiple tubular flowers. It spreads via rhizomes, gradually expanding the clump.

Gloxinia

Height 20-30 cm
Spread 20-30 cm
Growth Rate Moderate
Growth Pattern Gloxinias grow upright from a tuber. They produce a rosette of large leaves and flower stalks that emerge from the center of the rosette.

🌱 Propagation — Comparing Plant Growth

Crocosmia

Methods: Division of corms, seed.

Difficulty: Easy

Tips: Divide corms in spring or fall. Replant immediately in well-draining soil. Seeds can be sown in spring after a period of cold stratification.

Gloxinia

Methods: Leaf cuttings, tuber division, seed

Difficulty: Moderate

Tips: For leaf cuttings, place the cut end of a leaf in moist potting mix and cover with a plastic bag to maintain humidity. For tuber division, divide the tuber in spring before new growth begins. Seeds can be sown in spring.

✨ Benefits & Features — Comparing Plant Value

Crocosmia

Crocosmia's arching sprays of brightly colored flowers are a standout feature in any garden. The saffron-like scent of the dried leaves is another unique characteristic. Its ability to attract hummingbirds and butterflies makes it a valuable addition to pollinator gardens.

  • ✓ Attracts pollinators
  • ✓ Adds vibrant color to the garden
  • ✓ Relatively low maintenance
  • ✓ Easy to propagate
  • ✓ Provides a naturalistic aesthetic
  • ⚠️ Toxic to pets

Gloxinia

Gloxinias are known for their large, velvety, bell-shaped flowers, which come in a variety of colors. They also have large, velvety leaves. The combination of the flowers and leaves makes them very attractive.

  • ✓ Adds vibrant color to indoor spaces.
  • ✓ Provides a sense of accomplishment when blooms are successful.
  • ✓ Can be propagated to create more plants.
  • ✓ Offers a touch of elegance and nostalgia.
  • ✓ Can improve mood through visual appeal.
  • ⚠️ Toxic to pets

📅 Maintenance Schedule — Plant Care Comparison

Crocosmia

Repotting Every 1-2 years if grown in containers, due to rhizomatous spread.
Pruning Remove spent flower stalks to encourage further blooming. Cut back foliage in fall after it has died back.
Fertilizing Balanced liquid fertilizer (10-10-10) diluted to half strength, applied monthly during the growing season.
Seasonal Care In spring, fertilize and water regularly as growth resumes. In summer, ensure adequate sunlight and water during dry spells. In fall, allow foliage to die back naturally. In winter, reduce watering and protect corms from frost in colder climates.

Gloxinia

Repotting Annually in spring, when new growth appears.
Pruning Remove spent flowers and yellowing leaves to encourage new growth and prevent disease.
Fertilizing Balanced liquid fertilizer (20-20-20) diluted to half strength, every 2-4 weeks during the growing season.
Seasonal Care During the growing season (spring/summer), provide regular watering and fertilization. In the fall, reduce watering as the plant enters dormancy. In winter, keep the tuber in a cool, dark place and water sparingly. Repot in spring when new growth appears.

🌞 Light Requirements

Crocosmia

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

Low light tolerant: ❌ No

Gloxinia

Bright, indirect light. Avoid direct sunlight, which can scorch the leaves.

Low light tolerant: ❌ No

💧 Watering Needs

Crocosmia

Water thoroughly when the top inch of soil feels dry. Avoid overwatering, which can lead to corm rot. During dormancy, reduce watering significantly. Signs of overwatering include yellowing leaves and mushy corms. Underwatering results in wilting and browning leaf tips.

Gloxinia

Water thoroughly when the top inch of soil feels dry. Avoid getting water on the leaves or flowers, as this can cause spotting and rot. Reduce watering during dormancy. Overwatering can lead to tuber rot, while underwatering will cause wilting.

🌡️ Temperature & Humidity

Crocosmia

Temperature: 15-25°C

Humidity: 40-60%

Gloxinia

Temperature: 18-24°C

Humidity: 50-60%

🤔 Which Plant Is Right For You?

Crocosmia

Crocosmia

Crocosmia × crocosmiiflora
Care: Expert Time: 15 minutes weekly during the growing season. Beginner: No

Gardeners looking for vibrant summer blooms in sunny locations.

✅ Choose This Plant If...

  • You want to attract hummingbirds and butterflies to your garden.
  • You appreciate vibrant orange or red flowers in summer.
  • You are looking for a relatively low-maintenance perennial for a sunny spot.
  • You enjoy propagating plants through division.
  • You want a plant that adds a splash of color to your outdoor space.

❌ Skip This Plant If...

  • You have pets that might ingest the plant.
  • You lack a sunny outdoor space.
  • You are looking for a low-maintenance indoor plant.
📍 Ideal Location: Outdoor garden or patio with full sun exposure.
🎨 Style: Cottage, Naturalistic, Bohemian
🏠 Apartment Friendly: No
⚠️ According to the ASPCA, Crocosmia is toxic to dogs, cats, and horses. The specific toxic principle is unknown. Symptoms include vomiting, diarrhea, and depression. The corms are the most toxic part.
Gloxinia

Gloxinia

Sinningia speciosa
Care: Moderate Time: 10 minutes weekly Beginner: With-caution

Those who enjoy flowering houseplants and are willing to provide specific care to maintain blooms.

✅ Choose This Plant If...

  • You love vibrant, showy flowers.
  • You can provide bright, indirect light.
  • You are willing to monitor watering carefully to avoid rot.
  • You can provide adequate humidity.
  • You are prepared to give the plant a dormant period in winter.

❌ Skip This Plant If...

  • You tend to overwater plants.
  • You have pets that might ingest the plant.
  • You cannot provide bright, indirect light.
📍 Ideal Location: East- or west-facing window, or under grow lights.
🎨 Style: Traditional, Bohemian
🏠 Apartment Friendly: Yes
⚠️ According to the ASPCA, Gloxinia is toxic to dogs, cats, and horses. Symptoms include mild skin irritation. 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 Gloxinia

⚡ Key Differences Between These Plants

🎯

Crocosmia is rated Expert care level, while Gloxinia is Moderate.

💡 Pro Tips For Comparing These Plants

Crocosmia Care Tips

Crocosmia is primarily an outdoor plant. Indoor cultivation is challenging due to high light requirements and dormancy needs. It requires full sun, well-draining soil, and careful watering. It spreads via rhizomes, so container size needs to be monitored. Toxicity to pets is a significant concern.

  • Plant in well-draining soil to prevent corm rot.
  • Provide full sun for optimal flowering.
  • Divide corms every few years to prevent overcrowding.
  • Water deeply but infrequently, allowing the soil to dry out slightly between waterings.
  • Fertilize monthly during the growing season with a balanced liquid fertilizer.
❄️ Winter: In colder climates, protect corms from frost by mulching heavily or digging them up and storing them in a cool, dry place. Reduce watering significantly during dormancy.
☀️ Summer: Ensure adequate sunlight and water during dry spells. Deadhead spent flowers to encourage further blooming. Monitor for pests such as spider mites and thrips.

Gloxinia Care Tips

Gloxinias require bright, indirect light, consistent moisture (avoiding wet leaves), and moderate humidity. They need a period of dormancy in the winter. Maintaining proper humidity and avoiding overwatering are key to success. They are best suited as indoor plants.

  • Water from the bottom to avoid wetting the leaves and flowers.
  • Provide bright, indirect light to encourage blooming.
  • Fertilize regularly during the growing season.
  • Allow the plant to go dormant in the winter by reducing watering and keeping it in a cool, dark place.
  • Monitor for pests and diseases regularly.
❄️ Winter: Reduce watering significantly and keep the tuber in a cool, dark place (around 15°C). Allow the plant to go dormant. Do not fertilize during dormancy.
☀️ Summer: Provide bright, indirect light and regular watering. Fertilize every 2-4 weeks with a balanced liquid fertilizer. Ensure good air circulation to prevent fungal diseases.

⚠️ Common Problems & Solutions — Plant Care Comparison

Crocosmia

Common Issues: Corm rot, spider mites, thrips.
Solutions: Corm rot: Ensure well-draining soil and avoid overwatering. Spider mites: Treat with insecticidal soap or neem oil. Thrips: Use insecticidal soap or introduce beneficial insects.

Gloxinia

Common Issues: Tuber rot, leaf spot, mealybugs, powdery mildew
Solutions: Tuber rot: Ensure well-draining soil and avoid overwatering. Leaf spot: Avoid wetting leaves and improve air circulation. Mealybugs: Treat with insecticidal soap. Powdery mildew: Improve air circulation and treat with fungicide.

❓ Frequently Asked Questions — Comparing These Plants

Crocosmia

What are the light requirements for Crocosmia?

Crocosmia thrives in full sun, requiring at least 6 hours of direct sunlight per day for optimal growth and abundant flowering. While it can tolerate partial shade, especially in hotter climates, reduced sunlight may result in fewer blooms and weaker stems. When planting Crocosmia, choose a location that receives plenty of morning and afternoon sun. Avoid planting near large trees or structures that may cast excessive shade. If growing Crocosmia in containers, rotate them regularly to ensure even exposure to sunlight. In regions with intense summer heat, providing some afternoon shade can help prevent scorching of the foliage. Monitor the plants for signs of insufficient light, such as leggy growth or a lack of flowering. Adjust the location or supplement with artificial lighting if necessary.

How do I care for Crocosmia?

Crocosmia requires well-draining soil and a sunny location for optimal growth and flowering. Plant corms in spring, about 3-4 inches deep and 6-8 inches apart. Water thoroughly after planting and maintain consistent moisture throughout the growing season, especially during dry spells. Fertilize in spring with a balanced fertilizer to promote healthy growth and abundant blooms. Deadhead spent flowers to encourage further flowering. In colder climates, lift the corms in the fall after the foliage has died back and store them in a cool, dry place over winter. Alternatively, provide a thick layer of mulch for winter protection. Divide clumps every few years to prevent overcrowding and maintain vigor. Monitor for pests and diseases, and treat promptly if necessary. With proper care, Crocosmia will reward you with a stunning display of vibrant blooms year after year. Ensure good air circulation to prevent fungal diseases.

How do I propagate Crocosmia?

Crocosmia is easily propagated by division of corms. In early spring or fall, carefully dig up the clump and separate the corms. Ensure each division has healthy roots and foliage. Replant the divisions in well-draining soil and water thoroughly. Stem cuttings can also be taken in late spring or early summer. Take a cutting about 4-6 inches long, remove the lower leaves, and dip the cut end in rooting hormone. Plant the cutting in a pot filled with moist potting mix. Keep the soil moist and provide indirect light until roots develop. Keiki propagation is not applicable to Crocosmia.

Gloxinia

What are the light requirements for Gloxinia?

Gloxinias need bright, indirect light to thrive. Direct sunlight can scorch their delicate leaves, while insufficient light can result in leggy growth and a lack of blooms. An east-facing window is ideal, providing gentle morning light. A north-facing window can also work if the light is bright enough.

How do I care for Gloxinia?

Gloxinias thrive in bright, indirect light. Water when the top inch of soil feels dry, avoiding getting water on the leaves. Maintain high humidity by placing the plant on a pebble tray or using a humidifier. Fertilize every two weeks during the growing season (spring and summer) with a balanced liquid fertilizer diluted to half strength.

How do I propagate Gloxinia?

Gloxinia can be propagated through various methods, including leaf cuttings, stem cuttings, and division of tubers. For leaf cuttings, select a healthy leaf and cut it near the base. Insert the cut end into moist potting mix and cover with a plastic bag to maintain humidity. Roots should develop in a few weeks.

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