Liquidambar vs Valerian Plant Comparison

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

Liquidambar

Liquidambar

Liquidambar styraciflua

VS
Valerian

Valerian

Valeriana officinalis

Liquidambar

Liquidambar

Liquidambar styraciflua

Liquidambar styraciflua, or American Sweetgum, is a deciduous tree known for its vibrant fall foliage, transitioning from green to brilliant shades of red, orange, purple, and yellow. It typically grows to a height of 60-80 feet (18-24 meters) in its native habitat, with a pyramidal to oval crown. The leaves are star-shaped with 5-7 lobes. It is primarily an outdoor tree, valued for its ornamental appeal and timber production. While some may attempt to grow it indoors, it's not suitable due to its size and need for full sun and seasonal changes.

Altingiaceae Eastern North America, Central America, Mexico
✨ Features: Brilliant fall foliage, interesting textured bark, and distinctive spiky seed balls.
📖 Read Complete Liquidambar Guide
Valerian

Valerian

Valeriana officinalis

Valeriana officinalis is a perennial flowering plant with a distinctive odor, growing up to 1.5 meters (5 feet) tall. It features pinnate leaves and clusters of small, fragrant white or pink flowers that bloom in the summer. Primarily an outdoor plant, it thrives in moist, well-drained soil and full to partial sun. Valerian is cultivated for its rhizomes and roots, which are used in herbal medicine as a sleep aid and to reduce anxiety. Growing it indoors is challenging due to its size and light requirements.

Caprifoliaceae Europe and Asia
✨ Features: Medicinal properties, fragrant flowers
📖 Read Complete Valerian Guide

Quick Plant Comparison

Feature Liquidambar Valerian
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 daily.
Watering Weekly during the growing season, less frequently in winter. Every 7-10 days outdoors, depending on weather conditions.
Humidity 30-50% 40-60%
Temperature 10-27°C 15-24°C
Care Level Expert Expert
Growth Rate Moderate To Fast Fast
Max Height Not applicable for indoor growing. Outdoors: 18-24 meters (60-80 feet) 0.9-1.5 meters (outdoors). Significantly smaller if attempted indoors.
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-drained, slightly acidic soil. Tolerant of a range of soil types, including clay and loam. Well-drained, loamy soil
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 1-2 hours per month (mostly for pruning and leaf cleanup) 15 minutes weekly (weeding, watering, pruning)

🔬 Botanical Information — Comparing These Plants

Liquidambar

Scientific Name Liquidambar styraciflua
Family Altingiaceae
Native To Eastern North America, Central America, Mexico
Also Known As American Sweetgum, Sweet Gum, Redgum, Star-leaved Gum
Leaves The leaves are star-shaped with 5-7 lobes, typically 4-7 inches (10-18 cm) wide. They are a glossy green in summer, turning vibrant shades of red, orange, purple, and yellow in the fall. The leaves have a palmate venation pattern.
Flowers Sweetgum trees produce inconspicuous greenish flowers in the spring. They are not showy and are often overlooked.

Valerian

Scientific Name Valeriana officinalis
Family Caprifoliaceae
Native To Europe and Asia
Also Known As Valerian Root, Garden Valerian, Common Valerian
Leaves Pinnate leaves, meaning they are divided into leaflets arranged on either side of a central stalk. The leaflets are lance-shaped and medium green in color. The leaves are typically 5-10 cm long.
Flowers It produces clusters of small, fragrant white or pink flowers in the summer. The flowers are arranged in corymbs (flat-topped clusters) and are attractive to pollinators.

📏 Size & Growth — Plant Comparison

Liquidambar

Height Not applicable for indoor growing. Outdoors: 18-24 meters (60-80 feet)
Spread Not applicable for indoor growing. Outdoors: 12-18 meters (40-60 feet)
Growth Rate Moderate To Fast
Growth Pattern American Sweetgum trees have a pyramidal shape when young, gradually developing a more oval or rounded crown as they mature. They grow upright with a strong central leader.

Valerian

Height 0.9-1.5 meters (outdoors). Significantly smaller if attempted indoors.
Spread 0.3-0.6 meters (can spread via rhizomes)
Growth Rate Fast
Growth Pattern Upright, herbaceous perennial with a clumping growth habit. It spreads via rhizomes, potentially forming dense colonies over time.

🌱 Propagation — Comparing Plant Growth

Liquidambar

Methods: Seed, cuttings, grafting

Difficulty: Moderate

Tips: Seeds require stratification (cold treatment) for several weeks before sowing. Cuttings are best taken in late spring or early summer. Grafting is used to propagate specific cultivars.

Valerian

Methods: Seed, Division, Root cuttings

Difficulty: Easy

Tips: Divide rhizomes in spring or fall. Sow seeds in spring after the last frost. Root cuttings can be taken in late fall or early spring.

✨ Benefits & Features — Comparing Plant Value

Liquidambar

The American Sweetgum is known for its brilliant fall foliage, which can range from yellow and orange to red and purple. Its star-shaped leaves and spiky seed balls are also distinctive features. The bark is deeply furrowed and adds visual interest to the landscape.

  • ✓ Provides shade in the summer months.
  • ✓ Offers stunning fall foliage for visual appeal.
  • ✓ Attracts birds and other wildlife to the landscape.
  • ✓ The wood can be used for various purposes.
  • ✓ Relatively low-maintenance once established.
  • ⚠️ Toxic to pets

Valerian

Valerian's distinctive odor, which some find unpleasant, is attractive to cats. Its roots are used medicinally for their calming and sleep-inducing properties.

  • ✓ Medicinal properties for sleep and anxiety relief.
  • ✓ Attracts pollinators to the garden.
  • ✓ Adds fragrance to the garden.
  • ✓ Provides a natural remedy option.
  • ✓ Aesthetically pleasing flowers.
  • ⚠️ Toxic to pets

📅 Maintenance Schedule — Plant Care Comparison

Liquidambar

Repotting Not applicable for indoor growing.
Pruning Prune in late winter or early spring to remove dead, damaged, or crossing branches. Shape the tree while it is young.
Fertilizing Apply a balanced fertilizer (10-10-10) in early spring before new growth begins. Avoid over-fertilizing.
Seasonal Care In fall, enjoy the vibrant foliage. In winter, protect young trees from frost damage. In spring, fertilize before new growth. In summer, ensure adequate watering during dry periods.

Valerian

Repotting Not applicable for outdoor plants. If grown in containers, repot every 1-2 years, or more frequently if it becomes root-bound.
Pruning Cut back foliage after flowering to encourage new growth.
Fertilizing Balanced fertilizer (10-10-10) diluted to half strength, applied once in the spring.
Seasonal Care In spring, fertilize and divide if necessary. In summer, ensure adequate watering. In fall, cut back foliage after flowering. In winter, the plant will go dormant.

🌞 Light Requirements

Liquidambar

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

Low light tolerant: ❌ No

Valerian

Full sun to partial shade outdoors. Requires at least 6 hours of direct sunlight daily.

Low light tolerant: ❌ No

💧 Watering Needs

Liquidambar

Water deeply when the top few inches of soil are dry. Overwatering can lead to root rot, while underwatering can cause leaf scorch and stress. Established trees are relatively drought-tolerant.

Valerian

Water deeply when the top inch of soil feels dry. Avoid overwatering, which can lead to root rot. Signs of overwatering include yellowing leaves and a musty smell. Underwatering is indicated by wilting leaves.

🌡️ Temperature & Humidity

Liquidambar

Temperature: 10-27°C

Humidity: 30-50%

Valerian

Temperature: 15-24°C

Humidity: 40-60%

🤔 Which Plant Is Right For You?

Liquidambar

Liquidambar

Liquidambar styraciflua
Care: Expert Time: 1-2 hours per month (mostly for pruning and leaf cleanup) Beginner: No

Landscapes where a large, shade-providing tree with spectacular fall color is desired.

✅ Choose This Plant If...

  • You have a large outdoor space and want a shade tree with stunning fall color.
  • You appreciate the unique texture of the tree's bark and seed pods.
  • You want to attract birds and other wildlife to your yard.
  • You are looking for a tree that is relatively low-maintenance once established.
  • You want a tree that provides a focal point in your landscape throughout the year.

❌ Skip This Plant If...

  • You have a small yard or limited space.
  • You live in an area with alkaline soil, as Sweetgums prefer slightly acidic conditions.
  • You are looking for an indoor plant.
📍 Ideal Location: Outdoors in a sunny location with well-drained soil.
🎨 Style: Traditional, Naturalistic, Woodland
🏠 Apartment Friendly: No
⚠️ According to the ASPCA, the American Sweetgum is toxic to horses. The plant contains shikimic acid, which can cause colic in horses if ingested. The spiky seed balls can also be a physical hazard.
Valerian

Valerian

Valeriana officinalis
Care: Expert Time: 15 minutes weekly (weeding, watering, pruning) Beginner: No

Gardeners interested in growing herbs for medicinal purposes in an outdoor setting.

✅ Choose This Plant If...

  • You want to grow herbs for medicinal purposes.
  • You have a sunny garden space.
  • You are interested in attracting pollinators to your garden.
  • You want a fragrant flowering plant.
  • You are experienced with growing herbs outdoors.

❌ 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 herb garden with full sun exposure.
🎨 Style: Cottage Garden, Herb Garden, Naturalistic
🏠 Apartment Friendly: No
⚠️ According to the ASPCA, Valerian is toxic to dogs, cats, and horses. Symptoms include hyperactivity, dilated pupils, and vomiting/diarrhea.

🎯 Quick Verdict

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

⚡ Key Differences Between These Plants

📈

Liquidambar has moderate to fast growth, while Valerian grows fast.

💡 Pro Tips For Comparing These Plants

Liquidambar Care Tips

American Sweetgum is an outdoor tree and is not suitable for indoor growing. It requires full sun, well-drained soil, and ample space to grow. Attempting to grow it indoors will likely result in a stressed and unhealthy plant.

  • Plant in well-drained, slightly acidic soil for best results.
  • Water deeply during dry periods, especially when the tree is young.
  • Fertilize in early spring with a balanced fertilizer.
  • Prune regularly to remove dead or damaged branches and maintain shape.
  • Protect young trees from frost damage in winter.
❄️ Winter: Protect young trees from frost damage by wrapping the trunk with burlap or applying mulch around the base. Water sparingly during dry periods.
☀️ Summer: Ensure adequate watering during dry periods, especially for young trees. Monitor for pests and diseases and treat as needed.

Valerian Care Tips

Valerian is primarily an outdoor plant and requires full sun and well-drained soil. Indoor cultivation is difficult due to its size and high light requirements. It can be challenging to provide adequate conditions indoors, and it may not thrive.

  • Provide well-drained soil to prevent root rot.
  • Ensure at least 6 hours of direct sunlight daily.
  • Water deeply but infrequently, allowing the soil to dry slightly between waterings.
  • Fertilize sparingly in the spring.
  • Monitor for pests and diseases regularly.
❄️ Winter: Cut back the foliage to ground level after it dies back in the fall. The plant will go dormant over the winter. Provide a layer of mulch for added protection in colder climates.
☀️ Summer: Ensure adequate watering during hot, dry periods. Monitor for pests and diseases, such as powdery mildew, which can be more prevalent in humid conditions. Deadhead spent flowers to encourage continued blooming.

⚠️ Common Problems & Solutions — Plant Care Comparison

Liquidambar

Common Issues: Chlorosis (yellowing leaves due to iron deficiency), leaf spot, scale insects, storm damage.
Solutions: For chlorosis, amend the soil with iron chelate. Treat leaf spot with a fungicide. Control scale insects with horticultural oil. Prune damaged branches after storms.

Valerian

Common Issues: Powdery mildew, Root rot, Aphids
Solutions: Powdery mildew: Improve air circulation and apply a fungicide. Root rot: Ensure well-draining soil and avoid overwatering. Aphids: Spray with insecticidal soap.

❓ Frequently Asked Questions — Comparing These Plants

Liquidambar

What are the light requirements for Liquidambar?

Liquidambar thrives in bright, indirect light. Direct sunlight can scorch the leaves, especially indoors where the light is intensified by glass. An east or west-facing window is ideal, providing ample light without the harshness of direct sun. If you don’t have access to a naturally bright location, supplement with grow lights. Rotate the plant regularly to ensure even growth on all sides. Insufficient light can lead to leggy growth and reduced leaf color vibrancy. Observe your plant closely; if the leaves appear pale or the stems are stretching, it needs more light. Consider using a light meter to accurately measure the light intensity.

How do I care for Liquidambar?

Caring for Liquidambar indoors requires mimicking its natural environment as closely as possible. Provide bright, indirect light, ideally near an east or west-facing window. Water thoroughly when the top inch of soil feels dry, ensuring proper drainage to prevent root rot. Maintain moderate humidity levels, especially during dry winter months, using a humidifier or pebble tray. Fertilize sparingly during the growing season (spring and summer) with a balanced liquid fertilizer diluted to half strength. Repot every 2-3 years into a slightly larger pot with well-draining potting mix. Prune as needed to maintain shape and remove any dead or damaged branches. Monitor for pests and address promptly. Ensure stable temperatures, avoiding sudden fluctuations or drafts. Proper pot size is crucial; select one that allows for root growth without being excessively large, which can lead to waterlogged soil.

How do I propagate Liquidambar?

Liquidambar can be propagated via stem cuttings or air layering, though success rates can vary. For stem cuttings, take a 4-6 inch cutting from new growth in spring or early summer. Remove the lower leaves and dip the cut end in rooting hormone. Plant the cutting in a well-draining potting mix and keep it moist. Cover with a plastic bag to maintain humidity. Rooting can take several weeks. For air layering, make a shallow cut on a stem, wrap it with moist sphagnum moss, and cover it with plastic wrap. Secure the wrap tightly. Once roots develop, cut the stem below the roots and plant it in a pot. Both methods require patience and consistent care.

Valerian

What are the light requirements for Valerian?

Valerian flourishes in full sun to partial shade. Ideally, it should receive at least six hours of direct sunlight daily for optimal growth and abundant flowering. In hotter climates, provide afternoon shade to prevent scorching of the leaves. When grown indoors, place Valerian near a sunny window, preferably south-facing. If natural light is insufficient, supplement with grow lights to ensure adequate illumination. Insufficient light can result in leggy growth and reduced flowering. Rotate the plant regularly to ensure even exposure to light on all sides.

How do I care for Valerian?

Valerian thrives in well-drained soil and prefers full sun to partial shade. Water regularly, keeping the soil consistently moist but not waterlogged. Fertilize during the growing season (spring and summer) with a balanced liquid fertilizer diluted to half strength, to encourage blooming. Deadhead spent flowers to promote continuous flowering. Valerian is relatively low-maintenance, but it can benefit from occasional pruning to maintain its shape and prevent overcrowding. It’s generally pest and disease-resistant. Provide adequate air circulation to prevent fungal issues. In colder climates, Valerian may die back in winter but will regrow in spring. Consider container growing if you want to control its spread.

How do I propagate Valerian?

Valerian can be propagated through division, stem cuttings, or seed. Division is best done in spring or fall. Carefully dig up the plant and separate the roots into smaller clumps, ensuring each clump has healthy roots and foliage. Replant the divisions in well-drained soil. For stem cuttings, take 4-6 inch cuttings from healthy stems in spring or summer. Remove the lower leaves and dip the cut end in rooting hormone. Plant the cuttings in a well-draining potting mix and keep them moist until roots develop. Growing from seed is also possible, sow seeds indoors in early spring or directly into the garden after the last frost.

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