Crocosmia vs Streptocarpus 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
Streptocarpus

Streptocarpus

Streptocarpus sect. Streptocarpus

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
Streptocarpus

Streptocarpus

Streptocarpus sect. Streptocarpus

Streptocarpus, commonly known as Cape Primrose, is a genus of flowering plants prized for their vibrant and long-lasting blooms. These plants typically feature a rosette of textured, strap-like leaves from which emerge delicate, trumpet-shaped flowers in a wide array of colors, including shades of purple, pink, red, white, and yellow. Streptocarpus are naturally found in shaded, moist environments, making them well-suited for indoor cultivation with proper care. They are popular for their relatively compact size, continuous flowering, and ability to brighten up indoor spaces.

Gesneriaceae Southern Africa, primarily South Africa and Madagascar
✨ Features: Long blooming period, wide variety of flower colors.
📖 Read Complete Streptocarpus Guide

Quick Plant Comparison

Feature Crocosmia Streptocarpus
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, depending on environmental conditions.
Humidity 40-60% 40-60%
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 ✅ Safe
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.

Streptocarpus

Scientific Name Streptocarpus sect. Streptocarpus
Family Gesneriaceae
Native To Southern Africa, primarily South Africa and Madagascar
Also Known As Cape Primrose, Streptocarpella, Nodding Violet
Leaves The leaves of Streptocarpus are typically strap-like, textured, and can range in color from light green to dark green. Some varieties may have slightly hairy or velvety leaves. Leaf size varies depending on the species and cultivar, but they are generally 15-30 cm long.
Flowers Streptocarpus readily flowers indoors with proper care. The flowers are trumpet-shaped and come in a wide array of colors, including shades of purple, pink, red, white, and yellow. They typically bloom in clusters on slender stalks.

📏 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.

Streptocarpus

Height 20-30 cm
Spread 20-30 cm
Growth Rate Moderate
Growth Pattern Streptocarpus typically grows in a rosette form, with leaves emerging from a central point. The flowers are borne on slender stalks that rise above the foliage.

🌱 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.

Streptocarpus

Methods: Leaf cuttings, Seed, Division

Difficulty: Moderate

Tips: For leaf cuttings, cut a healthy leaf into sections and insert the cut edge into moist potting mix. Keep the soil consistently moist and provide high humidity. For division, carefully separate the plant at the roots during repotting. Sow seeds in spring in a well-draining seed-starting mix.

✨ 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

Streptocarpus

Streptocarpus boasts an exceptionally long blooming period compared to many other indoor flowering plants, often producing flowers for several months at a time. Its diverse range of flower colors and forms makes it a visually appealing addition to any indoor garden.

  • ✓ Adds a splash of color to indoor spaces.
  • ✓ Relatively easy to care for.
  • ✓ Non-toxic to pets.
  • ✓ Long blooming period provides extended enjoyment.
  • ✓ Compact size makes it suitable for small spaces.
  • 🐾 Pet Safe

📅 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.

Streptocarpus

Repotting Repot every 1-2 years, or when the plant becomes root-bound, into a slightly larger pot.
Pruning Remove spent flowers and yellowing leaves to encourage new growth and maintain a tidy appearance.
Fertilizing Balanced liquid fertilizer (20-20-20) 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 and fertilization during the dormant season (fall and winter). Provide adequate light during the shorter days of winter.

🌞 Light Requirements

Crocosmia

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

Low light tolerant: ❌ No

Streptocarpus

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.

Streptocarpus

Water thoroughly when the top inch of soil feels dry to the touch. Allow excess water to drain away. Avoid overwatering, as this can lead to root rot. Reduce watering frequency during the winter months. Signs of underwatering include drooping leaves and dry soil. Signs of overwatering include yellowing leaves and soggy soil.

🌡️ Temperature & Humidity

Crocosmia

Temperature: 15-25°C

Humidity: 40-60%

Streptocarpus

Temperature: 18-24°C

Humidity: 40-60%

🤔 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.
Streptocarpus

Streptocarpus

Streptocarpus sect. Streptocarpus
Care: Moderate Time: 10 minutes weekly Beginner: With-caution

Plant enthusiasts who enjoy colorful, long-blooming indoor plants.

✅ Choose This Plant If...

  • You want a plant that blooms for a long period of time.
  • You appreciate a wide variety of flower colors.
  • You have a location with bright, indirect light.
  • You enjoy plants that are relatively easy to care for.
  • You want a plant that is non-toxic to pets.

❌ Skip This Plant If...

  • You tend to overwater your plants.
  • You have difficulty providing bright, indirect light.
  • You are looking for a very low-maintenance plant.
📍 Ideal Location: East-facing windowsill, bright bathroom, or under grow lights.
🎨 Style: Cottagecore, Eclectic, Bohemian
🏠 Apartment Friendly: Yes
⚠️ According to the ASPCA, Streptocarpus are not listed as toxic to dogs, cats, or horses.

🎯 Quick Verdict

Best for Beginners Neither ideal
Pet Friendly Streptocarpus ✓
Less Maintenance Similar effort
Apartment Friendly Streptocarpus

⚡ Key Differences Between These Plants

🎯

Crocosmia is rated Expert care level, while Streptocarpus 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.

Streptocarpus Care Tips

Streptocarpus are relatively easy to care for indoors, provided they receive bright, indirect light and consistent moisture. Avoid direct sunlight and overwatering. Regular fertilization during the growing season will promote abundant blooms. Maintaining adequate humidity is also beneficial.

  • Allow the top inch of soil to dry out between waterings.
  • Avoid getting water on the leaves to prevent fungal diseases.
  • Fertilize regularly during the growing season to promote blooming.
  • Provide bright, indirect light to encourage flowering.
  • Remove spent flowers to encourage new blooms.
❄️ Winter: Reduce watering frequency during the winter months as the plant's growth slows down. Avoid placing the plant near cold drafts. Ensure the plant receives adequate light, even during shorter days.
☀️ Summer: Provide adequate ventilation to prevent fungal diseases. Protect the plant from direct sunlight, which can scorch the leaves. Water more frequently during hot weather.

⚠️ 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.

Streptocarpus

Common Issues: Root rot, Mealybugs, Powdery mildew, Botrytis blight
Solutions: Root rot: Ensure proper drainage and avoid overwatering. Repot in fresh soil if necessary. | Mealybugs: Wipe away with a cotton swab dipped in rubbing alcohol or use insecticidal soap. | Powdery mildew: Improve air circulation and treat with a fungicide. | Botrytis blight: Remove affected leaves and improve air circulation.

❓ 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.

Streptocarpus

What are the light requirements for Streptocarpus?

Streptocarpus needs bright, indirect light to thrive and produce abundant blooms. An east-facing window is ideal, providing gentle morning sun. A north-facing window can also work, but the plant may need supplemental light, especially during the darker months. Avoid placing Streptocarpus in direct sunlight, particularly during the hottest part of the day, as it can cause leaf scorch. If your plant is not getting enough light, the leaves may become pale and the plant may not bloom as readily. Consider using a grow light if natural light is insufficient. Rotate the plant regularly to ensure even light exposure on all sides.

How do I care for Streptocarpus?

Streptocarpus thrive in bright, indirect light. Avoid direct sunlight, which can scorch the leaves. Water thoroughly when the top inch of soil feels dry, ensuring proper drainage to prevent root rot. Use room-temperature water and avoid getting water on the leaves. Fertilize regularly during the growing season (spring and summer) with a balanced liquid fertilizer diluted to half strength, or a fertilizer specifically formulated for flowering plants, to promote abundant blooms. Reduce watering and fertilization in the fall and winter. Maintain moderate to high humidity by misting occasionally or placing the plant on a pebble tray. Repot in spring every 1-2 years using a well-draining African violet potting mix. Deadhead spent flowers to encourage further blooming. Maintain temperatures between 60-75°F (15-24°C). Consistent care is key to a healthy and floriferous Streptocarpus.

How do I propagate Streptocarpus?

Streptocarpus can be propagated through leaf cuttings, division, or seeds. For leaf cuttings, cut a healthy leaf into sections, ensuring each section has a vein. Insert the cut end into moist African violet potting mix. Cover with a plastic bag to maintain humidity. For division, carefully separate the plant into smaller clumps, ensuring each clump has roots and leaves. Replant in fresh potting mix. Keiki propagation is not a common method for Streptocarpus. Place in bright, indirect light and keep the soil consistently moist. Rooting typically occurs within a few weeks. Once rooted, gradually acclimate the new plants to normal growing conditions. Propagate in spring or summer for best results.

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