Cedar vs Loosestrife 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
Loosestrife

Loosestrife

Lysimachia vulgaris

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
Loosestrife

Loosestrife

Lysimachia vulgaris

Lysimachia vulgaris, or Garden Loosestrife, is a rhizomatous perennial herb known for its bright yellow, star-shaped flowers arranged in terminal clusters. Typically found in moist meadows, along streams, and in other damp habitats, it grows upright, reaching heights of up to 1.5 meters. While valued for its ornamental appeal in gardens, it's also considered an invasive species in some regions due to its aggressive spreading habit via rhizomes. It is primarily an outdoor plant and not suited for indoor cultivation.

Primulaceae Eurasia
✨ Features: Attracts pollinators, provides erosion control in moist areas.
📖 Read Complete Loosestrife Guide

Quick Plant Comparison

Feature Cedar Loosestrife
Light Full sun (at least 6 hours of direct sunlight per day) Full sun to partial shade
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. Every 2-3 days, depending on weather and soil drainage
Humidity 30-50% 30-60%
Temperature 10-24°C 15-25°C
Care Level Expert Expert
Growth Rate Moderate Fast
Max Height Indoors: Highly unlikely to thrive; if attempted, a few feet at most. Outdoors: 30-40 meters (100-130 feet) or more. N/A - Outdoor plant
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining, slightly acidic soil Moist, well-drained soil; tolerates a range of soil types including clay, loam, and sand.
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 1-2 hours per month (primarily for pruning and monitoring for pests/diseases) 15 minutes weekly

🔬 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.

Loosestrife

Scientific Name Lysimachia vulgaris
Family Primulaceae
Native To Eurasia
Also Known As Garden Loosestrife, Yellow Loosestrife, Golden Loosestrife
Leaves Opposite or whorled, lance-shaped leaves, typically 5-10 cm long. They are medium green in color and have a slightly hairy texture.
Flowers Flowers are bright yellow, star-shaped, and arranged in terminal clusters. They bloom in summer (June-August). It will not flower 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.

Loosestrife

Height N/A - Outdoor plant
Spread N/A - Outdoor plant; spreads aggressively via rhizomes
Growth Rate Fast
Growth Pattern Upright, spreading perennial herb. It spreads aggressively via rhizomes, forming dense colonies.

🌱 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.

Loosestrife

Methods: Division, Seed, Rhizome cuttings

Difficulty: Easy

Tips: Divide rhizomes in spring or fall. Sow seeds in spring or fall. Rhizome cuttings should be taken in late summer or early fall.

✨ 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

Loosestrife

Its bright yellow, star-shaped flowers are a standout feature in moist garden settings. It's known for its aggressive spreading habit, which can be both a benefit (for erosion control) and a drawback (for garden management).

  • ✓ Attracts pollinators like bees and butterflies.
  • ✓ Provides erosion control in moist areas.
  • ✓ Adds vibrant yellow color to the garden.
  • ✓ Can be used in cut flower arrangements.
  • ✓ Relatively easy to propagate and grow.
  • ⚠️ 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.

Loosestrife

Repotting N/A - Outdoor plant
Pruning Cut back after flowering to prevent seed dispersal and control spread.
Fertilizing Balanced slow-release fertilizer in spring. Avoid over-fertilizing, which can promote excessive vegetative growth at the expense of flowering.
Seasonal Care In spring, apply fertilizer and divide if needed. In summer, ensure adequate moisture. In fall, cut back foliage after flowering. In winter, the plant will die back to the ground.

🌞 Light Requirements

Cedar

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

Low light tolerant: ❌ No

Loosestrife

Full sun to partial shade

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.

Loosestrife

Keep soil consistently moist, especially during dry periods. Overwatering can lead to root rot, so ensure good drainage. Signs of underwatering include wilting and dry, crispy leaves. Overwatering signs are yellowing leaves and a soggy soil.

🌡️ Temperature & Humidity

Cedar

Temperature: 10-24°C

Humidity: 30-50%

Loosestrife

Temperature: 15-25°C

Humidity: 30-60%

🤔 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.
Loosestrife

Loosestrife

Lysimachia vulgaris
Care: Expert Time: 15 minutes weekly Beginner: No

Gardeners with large outdoor spaces who want a vibrant yellow flowering plant in moist areas.

✅ Choose This Plant If...

  • You want a vibrant yellow flowering plant for a moist garden area.
  • You need a plant to attract pollinators to your garden.
  • You have a large space where its spreading habit won't be a problem.
  • You want a plant that is relatively easy to propagate.
  • You need a plant for erosion control in a wet area.

❌ Skip This Plant If...

  • You have small children or pets who might ingest the plant.
  • You have a small garden where its aggressive spreading habit will be problematic.
  • You are looking for an indoor plant.
  • You live in an area where it is considered an invasive species.
📍 Ideal Location: Moist garden beds, along streams or ponds, in rain gardens.
🎨 Style: Cottage, Naturalistic, Wildflower
🏠 Apartment Friendly: No
⚠️ According to the ASPCA, Lysimachia species are toxic to dogs, cats, and horses. Symptoms include vomiting and 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 Check space

⚡ Key Differences Between These Plants

☀️

Cedar needs full sun (at least 6 hours of direct sunlight per day), while Loosestrife prefers full sun to partial shade.

📈

Cedar has moderate growth, while Loosestrife grows fast.

💡 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.

Loosestrife Care Tips

Lysimachia vulgaris is an outdoor plant that is not suited for indoor cultivation. It requires full sun to partial shade and consistently moist soil. It is an aggressive spreader and can become invasive. Due to its toxicity to pets and invasive nature, careful consideration is needed before planting.

  • Plant in a location with full sun to partial shade for best flowering.
  • Ensure consistently moist soil, especially during dry periods.
  • Control its spread by using barriers or containers.
  • Deadhead spent flowers to encourage more blooms.
  • Monitor for pests and diseases, and treat promptly.
❄️ Winter: The plant will die back to the ground in winter. Cut back any remaining foliage. No special winter protection is needed in most climates.
☀️ Summer: Ensure adequate moisture during hot, dry periods. Deadhead spent flowers to encourage more blooms. Monitor for pests and diseases.

⚠️ 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.

Loosestrife

Common Issues: Invasive spread, Powdery mildew, Rust
Solutions: Control spread by using barriers or containers. Treat powdery mildew with fungicide. Remove and destroy infected leaves to prevent rust spread.

❓ 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.

Loosestrife

What are the light requirements for Loosestrife?

Loosestrife plants perform best when they receive at least six hours of direct sunlight per day. While they can tolerate partial shade, reduced sunlight can lead to fewer blooms and leggy growth. A location with morning sun and afternoon shade is ideal, especially in hotter climates, preventing scorching of the leaves. When grown indoors, place Loosestrife near a south-facing window to maximize light exposure. Rotate the plant regularly to ensure even growth on all sides. Insufficient light can result in weak stems and a lack of vibrant flower color.

How do I care for Loosestrife?

Loosestrife thrives in full sun to partial shade, needing at least six hours of sunlight for optimal blooming. Water regularly, especially during dry periods, keeping the soil consistently moist but not waterlogged. Fertilize in spring with a balanced fertilizer to encourage healthy growth and abundant blooms. Deadhead spent flowers to promote further blooming throughout the season. Prune back the plant in late fall or early spring to maintain its shape and remove any dead or diseased growth. Loosestrife is generally hardy, but it benefits from a layer of mulch in colder climates to protect the roots. Ensure good air circulation to prevent fungal diseases. Regularly check for pests and address them promptly.

How do I propagate Loosestrife?

Loosestrife can be propagated by division, stem cuttings, or seeds. Division is best done in spring or fall. Carefully dig up the plant and separate the root ball into smaller sections, ensuring each section has healthy roots and shoots. Replant the divisions in well-prepared soil. Stem cuttings can be taken in late spring or early summer. Take 4-6 inch cuttings from new growth, remove the lower leaves, and dip the cut end in rooting hormone. Plant the cuttings in a well-draining rooting medium and keep them moist until they root. Seeds can be sown directly in the garden in fall or started indoors in spring.

Last updated: April 26, 2026 — Plant care data reviewed and verified by our editorial team.