Crocosmia vs Yarrow 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
Yarrow

Yarrow

Achillea millefolium

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
Yarrow

Yarrow

Achillea millefolium

Achillea millefolium, commonly known as Yarrow, is a herbaceous perennial characterized by its feathery, fern-like leaves and clusters of small, daisy-like flowers. Typically grown outdoors, it forms a spreading mat through rhizomes. The flowers, which bloom in summer, are usually white but can also be yellow, pink, or red in cultivated varieties. Yarrow is valued for its medicinal properties, drought tolerance, and ability to attract pollinators. It's primarily an outdoor plant and faces challenges when grown indoors due to its high light requirements and spreading nature.

Asteraceae Native to Europe and Asia, naturalized in North America
✨ Features: Attracts pollinators, medicinal properties, drought tolerance
📖 Read Complete Yarrow Guide

Quick Plant Comparison

Feature Crocosmia Yarrow
Light Full sun to partial shade. Requires at least 6 hours of direct sunlight daily for optimal flowering. Full sun (at least 6 hours of direct sunlight daily)
Watering Every 1-2 weeks during the growing season, less frequently during dormancy. Every 1-2 weeks, depending on weather and soil drainage
Humidity 40-60% 30-50%
Temperature 15-25°C 15-27°C
Care Level Expert Expert
Growth Rate Moderate Fast
Max Height 60-75 cm (outdoors); less predictable indoors, potentially smaller. 30-90 cm (outdoors). Significantly smaller indoors, if it survives.
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining soil, such as a mix of loam, sand, and compost. Well-draining soil, such as a sandy or loamy mix. Avoid heavy clay soils.
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 15 minutes weekly during the growing season. 15 minutes weekly (outdoors)

🔬 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.

Yarrow

Scientific Name Achillea millefolium
Family Asteraceae
Native To Native to Europe and Asia, naturalized in North America
Also Known As Yarrow, Common Yarrow, Milfoil
Leaves The leaves of yarrow are finely divided, feathery, and lance-shaped. They are typically green to grayish-green in color and have a slightly aromatic scent when crushed. The texture is soft and delicate.
Flowers Yarrow produces clusters of small, daisy-like flowers in summer. The flowers are typically white, but cultivated varieties can be yellow, pink, or red. It is unlikely to flower indoors due to insufficient light.

📏 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.

Yarrow

Height 30-90 cm (outdoors). Significantly smaller indoors, if it survives.
Spread 30-60 cm (outdoors). Spreads aggressively via rhizomes.
Growth Rate Fast
Growth Pattern Yarrow grows upright with fern-like foliage and spreads via rhizomes, forming a mat-like ground cover. It can become quite dense and may need to be divided periodically to control its spread.

🌱 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.

Yarrow

Methods: Division, Seed, Root cuttings

Difficulty: Easy

Tips: Divide established clumps in spring or fall. Sow seeds directly in the garden in spring or fall. Root cuttings can be taken in late fall or early 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

Yarrow

Yarrow is known for its feathery foliage and clusters of small, daisy-like flowers. It is a drought-tolerant plant that attracts pollinators and has a long history of medicinal use. Its rhizomatous growth habit allows it to spread and form a mat-like ground cover.

  • ✓ Attracts beneficial insects and pollinators
  • ✓ Drought tolerant, reducing water usage
  • ✓ Adds texture and visual interest to gardens
  • ✓ Historically used for medicinal purposes
  • ✓ Relatively low maintenance once established outdoors
  • ⚠️ 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.

Yarrow

Repotting Not suitable for long-term container growing indoors due to aggressive rhizomatous spread. If attempted, repot annually into a larger container.
Pruning Deadhead spent flowers regularly to encourage more blooms. Cut back foliage in late fall or early spring.
Fertilizing Low-nitrogen fertilizer, applied sparingly in spring. Avoid over-fertilizing.
Seasonal Care In winter, cut back dead foliage. In summer, deadhead spent flowers to encourage continued blooming. Provide adequate sunlight throughout the year.

🌞 Light Requirements

Crocosmia

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

Low light tolerant: ❌ No

Yarrow

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

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.

Yarrow

Water deeply when the top inch of soil is dry. Avoid overwatering, as yarrow is susceptible to root rot. Overwatering signs include yellowing leaves and a musty smell. Underwatering signs include wilting and crispy leaves.

🌡️ Temperature & Humidity

Crocosmia

Temperature: 15-25°C

Humidity: 40-60%

Yarrow

Temperature: 15-27°C

Humidity: 30-50%

🤔 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.
Yarrow

Yarrow

Achillea millefolium
Care: Expert Time: 15 minutes weekly (outdoors) Beginner: No

Experienced gardeners looking for a low-maintenance, drought-tolerant plant for outdoor gardens.

✅ Choose This Plant If...

  • You want a drought-tolerant plant for your garden.
  • You want to attract pollinators to your yard.
  • You are interested in using yarrow for its traditional medicinal properties.
  • You need a plant that thrives in full sun.
  • You want a plant with interesting, feathery foliage.

❌ Skip This Plant If...

  • You have pets that might ingest it, as it is toxic.
  • You don't have a sunny outdoor space.
  • You are looking for a low-maintenance indoor plant.
📍 Ideal Location: Outdoor garden or sunny patio
🎨 Style: Cottage, Wildflower, Naturalistic
🏠 Apartment Friendly: No
⚠️ Toxic to dogs, cats, and horses. Contains sesquiterpene lactones which can cause skin irritation, vomiting, diarrhea, and anorexia. 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

📈

Crocosmia has moderate growth, while Yarrow grows fast.

💡 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.

Yarrow Care Tips

Yarrow is primarily an outdoor plant that requires full sun and well-draining soil. Indoor cultivation is challenging due to its high light needs and aggressive spreading habit. It's susceptible to root rot if overwatered. Expect significantly reduced growth and potential failure indoors.

  • Plant in well-draining soil to prevent root rot.
  • Provide full sun for optimal growth and flowering.
  • Deadhead spent flowers regularly to encourage more blooms.
  • Divide clumps every few years to prevent overcrowding.
  • Avoid over-fertilizing, as this can lead to leggy growth.
❄️ Winter: Cut back dead foliage in late fall or early winter. Yarrow is cold-hardy and does not require special winter protection in most climates.
☀️ Summer: Deadhead spent flowers regularly to encourage more blooms. Water deeply during dry spells. Provide adequate sunlight to prevent leggy growth.

⚠️ 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.

Yarrow

Common Issues: Root rot, Powdery mildew, Aphids
Solutions: Root rot: Improve drainage and reduce watering frequency. Powdery mildew: Improve air circulation and apply a fungicide. Aphids: Spray with insecticidal soap.

❓ 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.

Yarrow

What are the light requirements for Yarrow?

Yarrow thrives in full sun, requiring at least 6 to 8 hours of direct sunlight per day. Insufficient light can lead to leggy growth, reduced flowering, and a weakened plant. Choose a location in your garden or landscape that receives ample sunlight throughout the day. If growing Yarrow indoors, place it near a sunny window, such as a south-facing window.

How do I care for Yarrow?

Yarrow is a relatively easy-to-care-for plant, thriving in sunny locations and well-drained soil. Water deeply but infrequently, allowing the soil to dry out between waterings. Overwatering can lead to root rot. Fertilize sparingly, using a balanced fertilizer in the spring to promote healthy growth and abundant blooms. Deadhead spent flowers regularly to encourage continuous blooming throughout the summer.

How do I propagate Yarrow?

Yarrow can be propagated through division, stem cuttings, or seeds.

Last updated: May 12, 2026 — Plant care data reviewed and verified by our editorial team.