Cedar vs Montbretia Plant Comparison

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

Cedar

Cedar

Cedrus spp.

VS
Montbretia

Montbretia

Crocosmia × crocosmiiflora

Cedar

Cedar

Cedrus spp.

Cedrus species, commonly known as true cedars, are coniferous evergreen trees characterized by their aromatic wood, needle-like leaves arranged in spirals on long shoots and in dense clusters on short shoots, and barrel-shaped cones. They are large trees, typically reaching heights of 30-40 meters (100-130 feet) or more in their native habitats. Cedars are primarily outdoor trees, valued for their majestic appearance and use in landscaping. They are not naturally indoor plants and struggle to thrive in the confined conditions of indoor environments. People grow them for ornamental purposes, timber production, and their cultural significance.

Pinaceae Mediterranean region and the Western Himalayas
✨ Features: Aromatic wood, ornamental value, and cultural significance.
📖 Read Complete Cedar Guide
Montbretia

Montbretia

Crocosmia × crocosmiiflora

Montbretia (Crocosmia × crocosmiiflora) is a cormous perennial plant known for its vibrant, arching sprays of orange, red, and yellow flowers. It typically grows to a height of 60-90 cm (2-3 feet). It is primarily an outdoor plant, valued for its summer blooms and ability to attract hummingbirds and butterflies. While it can be grown in containers, it's not ideally suited for indoor environments due to its high light requirements and potential for aggressive spread via corms.

Iridaceae Hybrid origin (Crocosmia aurea × Crocosmia pottsii), South Africa
✨ Features: Attracts hummingbirds and butterflies.
📖 Read Complete Montbretia Guide

Quick Plant Comparison

Feature Cedar Montbretia
Light Full sun (at least 6 hours of direct sunlight per day) Full sun to partial shade outdoors. Requires at least 6 hours of direct sunlight for optimal flowering.
Watering Outdoors: Once or twice a week during the growing season, less frequently during dormancy. Indoors (not recommended): Extremely difficult to maintain proper moisture levels. 2-3 times per week during the growing season, less frequently during dormancy.
Humidity 30-50% 40-60%
Temperature 10-24°C 15-25°C
Care Level Expert Expert
Growth Rate Moderate Fast, Aggressive Spreader Via Corms.
Max Height Indoors: Highly unlikely to thrive; if attempted, a few feet at most. Outdoors: 30-40 meters (100-130 feet) or more. 60-90 cm (2-3 feet)
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining, slightly acidic soil Well-draining soil, such as a mix of loam, sand, and compost.
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 1-2 hours per month (primarily for pruning and monitoring for pests/diseases) 15 minutes weekly during growing season.

🔬 Botanical Information — Comparing These Plants

Cedar

Scientific Name Cedrus spp.
Family Pinaceae
Native To Mediterranean region and the Western Himalayas
Also Known As Cedar, True Cedar
Leaves The leaves of cedar trees are needle-like, typically 1-2 inches long, and arranged in spirals on long shoots and in dense clusters on short shoots. The color varies depending on the species, ranging from dark green to bluish-green.
Flowers Cedar trees produce small, inconspicuous flowers in the fall. Male flowers are catkin-like and release pollen, while female flowers are small cones that develop into the characteristic barrel-shaped seed cones.

Montbretia

Scientific Name Crocosmia × crocosmiiflora
Family Iridaceae
Native To Hybrid origin (Crocosmia aurea × Crocosmia pottsii), South Africa
Also Known As Montbretia, Coppertips, Falling Stars
Leaves The leaves are sword-shaped, upright, and mid-green, growing from the base of the plant. They are typically 30-60 cm long and 1-2 cm wide.
Flowers Flowers bloom in summer, producing vibrant orange, red, or yellow trumpet-shaped flowers arranged in arching sprays. Rarely flowers indoors.

📏 Size & Growth — Plant Comparison

Cedar

Height Indoors: Highly unlikely to thrive; if attempted, a few feet at most. Outdoors: 30-40 meters (100-130 feet) or more.
Spread Indoors: Limited by container size. Outdoors: 6-10 meters (20-33 feet)
Growth Rate Moderate
Growth Pattern Cedars exhibit an upright, pyramidal growth habit when young, gradually developing a more spreading and irregular crown as they mature. They are large trees with strong, horizontal branches.

Montbretia

Height 60-90 cm (2-3 feet)
Spread Spreads indefinitely via corms, forming clumps.
Growth Rate Fast, Aggressive Spreader Via Corms.
Growth Pattern Grows from corms, forming clumps that spread via underground corms. The flower stalks arch gracefully, displaying multiple blooms.

🌱 Propagation — Comparing Plant Growth

Cedar

Methods: Seed, Cuttings (difficult)

Difficulty: Difficult

Tips: Seed propagation requires stratification. Cuttings are difficult and require rooting hormones and a controlled environment.

Montbretia

Methods: Division of corms, Seed

Difficulty: Easy

Tips: Divide corms in spring or fall. Sow seeds in spring after a period of cold stratification.

✨ Benefits & Features — Comparing Plant Value

Cedar

True cedars are distinguished by their barrel-shaped cones and needle-like leaves arranged in spirals on long shoots and in dense clusters on short shoots. Their aromatic wood is highly valued for its insect-repelling properties.

  • ✓ Provides shade and shelter for wildlife
  • ✓ Enhances property value and curb appeal
  • ✓ Offers a sense of tranquility and connection to nature
  • ✓ Aromatic wood provides a pleasant scent
  • ✓ Long lifespan provides lasting beauty.
  • ⚠️ Toxic to pets

Montbretia

Montbretia's vibrant, arching flower sprays and ability to attract hummingbirds make it a standout in the garden. Its aggressive spreading habit, while a potential drawback, also allows it to quickly fill in garden spaces.

  • ✓ Attracts pollinators
  • ✓ Adds vibrant color to the garden
  • ✓ Relatively low-maintenance once established
  • ✓ Provides long-lasting summer blooms
  • ✓ Can be used in cut flower arrangements
  • ⚠️ Toxic to pets

📅 Maintenance Schedule — Plant Care Comparison

Cedar

Repotting Not applicable for outdoor trees. If grown in a container (not recommended), repot every 2-3 years.
Pruning Prune to remove dead or damaged branches and to maintain shape.
Fertilizing Balanced slow-release fertilizer in early spring
Seasonal Care Winter: Protect young trees from frost. Summer: Ensure adequate watering during dry periods. Dormancy: Reduced watering.

Montbretia

Repotting Not typically grown indoors in pots. If grown in containers, repot annually or bi-annually to manage corm proliferation.
Pruning Remove spent flower stalks to encourage further blooming.
Fertilizing Balanced fertilizer (10-10-10) in spring and after flowering.
Seasonal Care In spring, fertilize and ensure adequate watering. In summer, provide full sun and monitor for pests. In fall, reduce watering and divide corms if needed. In winter, provide a layer of mulch for protection in colder climates.

🌞 Light Requirements

Cedar

Full sun (at least 6 hours of direct sunlight per day)

Low light tolerant: ❌ No

Montbretia

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

Low light tolerant: ❌ No

💧 Watering Needs

Cedar

Water deeply when the topsoil feels dry to the touch. Ensure proper drainage to prevent root rot. Overwatering can lead to fungal diseases, while underwatering can cause needle drop and stress.

Montbretia

Water regularly during the growing season, keeping the soil consistently moist but not waterlogged. Reduce watering after flowering and during dormancy. Overwatering can lead to corm rot, while underwatering can cause stunted growth and reduced flowering.

🌡️ Temperature & Humidity

Cedar

Temperature: 10-24°C

Humidity: 30-50%

Montbretia

Temperature: 15-25°C

Humidity: 40-60%

🤔 Which Plant Is Right For You?

Cedar

Cedar

Cedrus spp.
Care: Expert Time: 1-2 hours per month (primarily for pruning and monitoring for pests/diseases) Beginner: No

Landscapers and gardeners with outdoor space suitable for large trees.

✅ Choose This Plant If...

  • You have ample outdoor space for a large tree
  • You appreciate the aromatic scent of cedarwood
  • You want a majestic and long-lived tree in your landscape
  • You need a windbreak or privacy screen
  • You are experienced with tree care and maintenance.

❌ Skip This Plant If...

  • You live in an apartment or have limited space
  • You are looking for an easy-to-care-for indoor plant
  • You have pets that may ingest the plant
  • You live in a region with unsuitable climate for cedar trees.
📍 Ideal Location: Outdoors in a location with full sun and well-draining soil.
🎨 Style: Traditional, Natural, Grand
🏠 Apartment Friendly: No
⚠️ According to the ASPCA, Cedar is toxic to dogs, cats, and horses. The oils in the plant can cause vomiting, diarrhea, and dermatitis.
Montbretia

Montbretia

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

Gardeners looking for vibrant summer blooms and who want to attract pollinators outdoors.

✅ Choose This Plant If...

  • You want to attract hummingbirds and butterflies to your garden.
  • You love vibrant orange, red, and yellow flowers.
  • You have a sunny garden spot that needs a splash of color.
  • You are prepared to manage its aggressive spreading habit.
  • You want a relatively low-maintenance perennial once established.

❌ Skip This Plant If...

  • You have pets that might ingest the plant.
  • You don't have a sunny outdoor space.
  • You don't want a plant that spreads aggressively.
📍 Ideal Location: Sunny garden bed or border.
🎨 Style: Cottage, Bohemian, Naturalistic
🏠 Apartment Friendly: No
⚠️ The ASPCA lists Crocosmia as toxic to dogs, cats, and horses. The specific toxic principle is unknown, but symptoms include vomiting, diarrhea, and depression.

🎯 Quick Verdict

Best for Beginners Neither ideal
Pet Friendly Neither - caution
Less Maintenance Similar effort
Apartment Friendly Check space

⚡ Key Differences Between These Plants

📈

Cedar has moderate growth, while Montbretia grows fast, aggressive spreader via corms..

💡 Pro Tips For Comparing These Plants

Cedar Care Tips

Cedars are primarily outdoor trees and are extremely challenging to grow indoors. They require full sun, well-draining soil, and proper humidity levels, which are difficult to replicate indoors. Indoor cultivation is generally not recommended.

  • Ensure proper drainage to prevent root rot
  • Water deeply but infrequently, allowing the soil to dry out slightly between waterings
  • Protect young trees from harsh winter winds and frost
  • Monitor for pests and diseases regularly
  • Prune annually to remove dead or damaged branches and maintain shape.
❄️ Winter: Protect young trees from frost and harsh winter winds. Mulch around the base of the tree to insulate the roots. Reduce watering during dormancy.
☀️ Summer: Ensure adequate watering during dry periods. Monitor for pests and diseases. Provide shade for young trees during the hottest part of the day.

Montbretia Care Tips

Montbretia is primarily an outdoor plant that requires full sun and well-drained soil. It can be challenging to grow indoors due to its high light needs and aggressive spreading habit. Regular division of corms is necessary to control its spread. Toxicity to pets is a significant concern.

  • Plant in well-draining soil to prevent corm rot.
  • Divide corms every 2-3 years to control spread and maintain vigor.
  • Provide full sun for optimal flowering.
  • Water regularly during the growing season.
  • Fertilize in spring and after flowering.
❄️ Winter: In colder climates, provide a layer of mulch to protect the corms from freezing. Reduce watering significantly during dormancy.
☀️ Summer: Ensure adequate watering during hot, dry periods. Monitor for pests and diseases. Deadhead spent flowers to encourage further blooming.

⚠️ Common Problems & Solutions — Plant Care Comparison

Cedar

Common Issues: Root rot, Spider mites, Needle cast
Solutions: Root rot: Ensure proper drainage and avoid overwatering. Spider mites: Treat with insecticidal soap or neem oil. Needle cast: Improve air circulation and apply a fungicide.

Montbretia

Common Issues: Overcrowding, Corm rot, Spider mites, Rust
Solutions: Divide corms regularly to prevent overcrowding.|Ensure good drainage to prevent corm rot.|Treat spider mites with insecticidal soap.|Apply fungicide to treat rust.

❓ Frequently Asked Questions — Comparing These Plants

Cedar

What are the light requirements for Cedar?

Indoor cedars thrive in bright, indirect light. Placing them near an east- or west-facing window is usually ideal. Avoid direct sunlight, especially during the hottest part of the day, as it can burn the delicate needles. Insufficient light can lead to leggy growth and yellowing foliage. If you don’t have access to sufficient natural light, consider supplementing with a grow light. Rotate your cedar regularly to ensure all sides receive adequate light. During the winter months, when sunlight is less intense, you may need to move your cedar closer to a window or increase the amount of supplemental light. Pay close attention to the plant’s growth and adjust its position accordingly.

How do I care for Cedar?

Indoor cedar trees require bright, indirect light; avoid direct sunlight, which can scorch the foliage. Water thoroughly when the top inch of soil feels dry, ensuring good drainage to prevent root rot. Use a well-draining potting mix formulated for conifers or evergreens. Maintain moderate humidity, especially during dry winter months. Fertilize sparingly, only during the growing season (spring and summer), with a balanced liquid fertilizer diluted to half strength. Prune regularly to maintain the desired shape and remove any dead or yellowing foliage. Repot every 2-3 years, or when the plant becomes root-bound, into a slightly larger pot. Ensure adequate air circulation to prevent fungal diseases. Monitor for pests such as spider mites or scale and treat promptly. Provide stable temperatures, avoiding drastic fluctuations. Rotate the plant regularly to ensure even growth on all sides.

How do I propagate Cedar?

Cedar can be propagated through stem cuttings or air layering. For stem cuttings, take 4-6 inch cuttings from new growth in spring or early summer. Remove the lower needles and dip the cut end in rooting hormone. Plant the cutting in a well-draining potting mix and keep it moist and humid. Rooting can take several weeks to months. For air layering, make a small incision in a branch, apply rooting hormone, and wrap the incision with moist sphagnum moss. Cover the moss with plastic wrap and secure it with tape. Once roots have formed, cut the branch below the roots and pot it up. Both methods require patience and careful monitoring. Maintain consistent moisture and humidity for successful propagation. Choose healthy, vigorous branches for the best results.

Montbretia

What are the light requirements for Montbretia?

Montbretia requires plenty of sunlight to produce its vibrant blooms. Aim for at least 6 hours of direct sunlight per day. In hotter climates, provide some afternoon shade to prevent scorching. Insufficient light can result in leggy growth, fewer flowers, and duller colors. When planting in containers, choose a location that receives ample sunlight. If growing indoors, place Montbretia near a sunny window, preferably a south-facing one. Rotate the plant regularly to ensure even light exposure on all sides. Supplement with grow lights if natural light is insufficient, especially during winter months.

How do I care for Montbretia?

Montbretia thrives in full sun to partial shade, requiring at least 6 hours of sunlight daily for optimal blooming. Water thoroughly when the top inch of soil feels dry, avoiding overwatering which can lead to root rot. Plant in well-draining soil to prevent waterlogging. Fertilize in spring with a balanced fertilizer to promote healthy growth and abundant blooms. Deadhead spent flowers to encourage more blooms. In colder climates, lift the corms in the fall 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. Regular care will ensure a vibrant display of Montbretia blooms year after year.

How do I propagate Montbretia?

Montbretia is easily propagated by division. In 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. Water thoroughly. Montbretia does not typically produce keiki. Stem cuttings are not a standard method for Montbretia propagation. Division is the most reliable method. Alternatively, you can collect and sow seeds, though this method can be slow and may not produce plants true to the parent.

Last updated: May 9, 2026 — Plant care data reviewed and verified by our editorial team.