Aralia vs Pulmonaria Plant Comparison

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

Aralia

Aralia

Aralia spinosa

VS
Pulmonaria

Pulmonaria

Pulmonaria officinalis

Aralia

Aralia

Aralia spinosa

Aralia spinosa, commonly known as Devil's Walking Stick, is a deciduous shrub or small tree typically reaching heights of 6-20 feet. It features a distinctive, sparsely branched habit with extremely large, bipinnately or tripinnately compound leaves, giving it a bold, architectural appearance. The stems are heavily armed with sharp spines, hence the name. It produces large panicles of small, white flowers in late summer, followed by dark purple berries. Primarily an outdoor plant, it is grown for its unique foliage and structural interest in gardens and naturalized areas. Attempting to grow it indoors is challenging due to its size and light requirements.

Araliaceae Eastern North America
✨ Features: Dramatic foliage, architectural form, attracts pollinators.
📖 Read Complete Aralia Guide
Pulmonaria

Pulmonaria

Pulmonaria officinalis

Pulmonaria officinalis, commonly known as lungwort, is a herbaceous perennial plant native to Europe. It is characterized by its distinctive spotted leaves, which are typically green with white or silver markings. The plant forms a low-growing clump and produces clusters of small, bell-shaped flowers that change color from pink to blue as they mature. Lungwort is primarily grown outdoors in gardens for its attractive foliage and early spring blooms. It thrives in shady, woodland-like conditions. While it can be attempted indoors, it requires very specific conditions and is generally not well-suited for indoor cultivation.

Boraginaceae Europe
✨ Features: Attracts pollinators, deer-resistant, unique spotted foliage, color-changing flowers
📖 Read Complete Pulmonaria Guide

Quick Plant Comparison

Feature Aralia Pulmonaria
Light Full sun to partial shade Partial shade to full shade. Avoid direct sunlight, especially during the hottest part of the day.
Watering Every 7-10 days during the growing season, less frequently in winter. Every 3-5 days, depending on environmental conditions
Humidity 30-50% 40-60%
Temperature 15-27°C 13-18°C
Care Level Expert Expert
Growth Rate Fast Moderate
Max Height Difficult to maintain indoors, but if attempted, expect 1-2 meters. Outdoors: 2-6 meters. 20-30 cm (indoors unlikely to reach this)
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining soil, such as a mix of loam, sand, and compost. Well-draining, humus-rich soil
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 30 minutes weekly (outdoor) 15 minutes weekly (outdoor)

🔬 Botanical Information — Comparing These Plants

Aralia

Scientific Name Aralia spinosa
Family Araliaceae
Native To Eastern North America
Also Known As Devil's Walking Stick, Hercules' Club, Prickly Ash
Leaves The leaves are extremely large, bipinnately or tripinnately compound, reaching up to 1 meter in length. Leaflets are ovate to lanceolate, with serrated edges and a dark green color.
Flowers Produces large panicles of small, white flowers in late summer. Flowering is rare indoors.

Pulmonaria

Scientific Name Pulmonaria officinalis
Family Boraginaceae
Native To Europe
Also Known As Lungwort, Common Lungwort, Jerusalem Cowslip, Spotted Dog
Leaves The leaves of Pulmonaria are ovate to lance-shaped, typically 10-25 cm long, and have a rough texture. They are usually green with distinctive white or silver spots, although some varieties have more pronounced variegation. The spots are caused by air pockets within the leaf tissue.
Flowers Pulmonaria produces clusters of small, bell-shaped flowers in early spring. The flowers are typically pink when they first open, then gradually turn blue as they mature. This color change is due to changes in pH levels within the petals. Flowering is unlikely indoors.

📏 Size & Growth — Plant Comparison

Aralia

Height Difficult to maintain indoors, but if attempted, expect 1-2 meters. Outdoors: 2-6 meters.
Spread Spreads by suckers, can form colonies. Indoors: limited by pot size, but can still sucker.
Growth Rate Fast
Growth Pattern Upright shrub or small tree with a sparsely branched habit. It spreads by suckers, forming colonies over time.

Pulmonaria

Height 20-30 cm (indoors unlikely to reach this)
Spread 30-45 cm (spreads via rhizomes)
Growth Rate Moderate
Growth Pattern Pulmonaria grows as a low-growing clump, spreading slowly via rhizomes. It forms a dense mat of foliage and produces upright flower stalks in the spring.

🌱 Propagation — Comparing Plant Growth

Aralia

Methods: Root suckers, Seed, Root cuttings

Difficulty: Moderate

Tips: Collect root suckers in spring or fall. Sow seeds in fall or stratify them before sowing in spring. Root cuttings should be taken in late winter.

Pulmonaria

Methods: Division, Seed

Difficulty: Moderate

Tips: Divide established clumps in early spring or fall. Sow seeds in a cold frame in autumn or early spring.

✨ Benefits & Features — Comparing Plant Value

Aralia

Aralia spinosa is distinguished by its large, compound leaves and spiny stems, creating a bold and dramatic appearance. Its architectural form and wildlife value make it a unique addition to the landscape.

  • ✓ Provides visual interest in the garden
  • ✓ Attracts pollinators and birds
  • ✓ Offers a unique architectural form
  • ✓ Can be used as a specimen plant
  • ✓ Provides shade in summer.
  • ⚠️ Toxic to pets

Pulmonaria

The most unique characteristic of Pulmonaria is its spotted leaves, which provide visual interest even when the plant is not in bloom. The flowers also change color from pink to blue as they mature, adding another layer of appeal. It is also relatively deer-resistant.

  • ✓ Attracts pollinators to your garden.
  • ✓ Adds visual interest with its unique spotted foliage.
  • ✓ Provides early spring color to shady areas.
  • ✓ Deer-resistant, protecting your garden from damage.
  • ✓ Can be used as a ground cover in woodland gardens.
  • ⚠️ Toxic to pets

📅 Maintenance Schedule — Plant Care Comparison

Aralia

Repotting Not typically repotted if grown outdoors. If grown in a container, repot every 2-3 years or as needed to accommodate growth.
Pruning Prune in late winter or early spring to remove dead or damaged branches and control size and shape. Remove suckers to prevent unwanted spread.
Fertilizing Apply a balanced fertilizer (10-10-10) in spring and early summer. Dilute to half strength.
Seasonal Care In winter, the plant is dormant and requires less watering. Protect from extreme cold in colder climates. In summer, ensure adequate moisture and consider providing some afternoon shade in hot regions.

Pulmonaria

Repotting Not applicable for indoor growing due to unsuitability. If grown in a container outdoors, repot every 2-3 years.
Pruning Remove dead or damaged leaves as needed. Cut back after flowering to encourage new growth.
Fertilizing Balanced liquid fertilizer diluted to half strength, applied once in early spring.
Seasonal Care In spring, fertilize and monitor for pests. In summer, provide shade and consistent moisture. In fall, divide plants if needed. In winter, protect from frost in colder climates.

🌞 Light Requirements

Aralia

Full sun to partial shade

Low light tolerant: ❌ No

Pulmonaria

Partial shade to full shade. Avoid direct sunlight, especially during the hottest part of the day.

Low light tolerant: ❌ No

💧 Watering Needs

Aralia

Water deeply when the top inch of soil is dry. Avoid overwatering, which can lead to root rot. During the growing season, water more frequently. Reduce watering in the dormant season. Signs of underwatering include wilting leaves; overwatering includes yellowing leaves and soggy soil.

Pulmonaria

Keep the soil consistently moist, but not waterlogged. Water when the top inch of soil feels dry to the touch. Overwatering can lead to root rot, while underwatering can cause the leaves to wilt and brown. Ensure good drainage.

🌡️ Temperature & Humidity

Aralia

Temperature: 15-27°C

Humidity: 30-50%

Pulmonaria

Temperature: 13-18°C

Humidity: 40-60%

🤔 Which Plant Is Right For You?

Aralia

Aralia

Aralia spinosa
Care: Expert Time: 30 minutes weekly (outdoor) Beginner: No

Experienced gardeners seeking a unique, architectural plant for a large outdoor space.

✅ Choose This Plant If...

  • You want a dramatic, architectural plant for your garden
  • You need a plant that attracts pollinators
  • You have a large outdoor space to accommodate its size
  • You are an experienced gardener looking for a unique challenge
  • You want a plant with interesting seasonal changes.

❌ Skip This Plant If...

  • You have limited space indoors
  • You are a beginner gardener
  • You have pets that might ingest the plant
  • You dislike plants with spines
  • You want a low-maintenance indoor plant.
📍 Ideal Location: Outdoors in a garden or naturalized area with ample space and sunlight. If attempting indoors, a sunroom or greenhouse.
🎨 Style: Wild, Naturalistic, Architectural
🏠 Apartment Friendly: No
⚠️ According to the ASPCA, Aralia species contain saponins, which are toxic to dogs, cats, and horses. Symptoms include vomiting, diarrhea, and depression. All parts of the plant are considered toxic.
Pulmonaria

Pulmonaria

Pulmonaria officinalis
Care: Expert Time: 15 minutes weekly (outdoor) Beginner: No

Experienced gardeners looking for a shade-loving plant with unique foliage and early spring blooms in an outdoor garden.

✅ Choose This Plant If...

  • You want a shade-loving plant with unique spotted foliage.
  • You appreciate early spring blooms that attract pollinators.
  • You are looking for a deer-resistant plant for your garden.
  • You enjoy plants with interesting color-changing flowers.
  • You have a cool, shady spot in your garden that needs some color.

❌ Skip This Plant If...

  • You are looking for an easy-to-grow indoor plant.
  • You have pets that might ingest the plant.
  • You do not have a cool, shady outdoor space.
📍 Ideal Location: Outdoor shade garden or woodland garden. Not suitable for typical indoor environments.
🎨 Style: Woodland, Cottage, Traditional
🏠 Apartment Friendly: No
⚠️ According to the ASPCA, Pulmonaria species contain pyrrolizidine alkaloids, which are toxic to dogs, cats, and horses. Symptoms include liver damage, abdominal pain, vomiting, and diarrhea. The entire plant is 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

📈

Aralia has fast growth, while Pulmonaria grows moderate.

💡 Pro Tips For Comparing These Plants

Aralia Care Tips

Aralia spinosa is primarily an outdoor plant and is challenging to grow indoors due to its size, light requirements, and potential for aggressive spread via suckers. Indoor cultivation requires a very bright location, careful watering, and management of its growth habit. It's best suited for experienced gardeners.

  • Provide well-draining soil to prevent root rot.
  • Water deeply but infrequently, allowing the soil to dry slightly between waterings.
  • Fertilize in spring and early summer with a balanced fertilizer.
  • Prune regularly to control size and shape.
  • Monitor for pests and diseases and treat promptly.
❄️ Winter: Reduce watering during dormancy. Protect from extreme cold in colder climates.
☀️ Summer: Ensure adequate moisture and consider providing some afternoon shade in hot regions.

Pulmonaria Care Tips

Pulmonaria is primarily an outdoor plant that prefers cool, shady conditions. Indoor cultivation is challenging due to the need for consistent moisture, high humidity, and cool temperatures. It is prone to fungal diseases and root rot if not properly cared for indoors. Requires very bright indirect light, which is difficult to provide indoors.

  • Provide consistent moisture, especially during dry periods.
  • Protect from direct sunlight to prevent leaf scorch.
  • Amend the soil with compost or leaf mold to improve drainage and fertility.
  • Divide plants every few years to prevent overcrowding.
  • Monitor for pests and diseases regularly.
❄️ Winter: In colder climates, protect Pulmonaria from frost by mulching around the base of the plant. Reduce watering during the dormant season.
☀️ Summer: Provide shade during the hottest part of the day to prevent leaf scorch. Ensure consistent moisture, especially during dry periods.

⚠️ Common Problems & Solutions — Plant Care Comparison

Aralia

Common Issues: Root rot, Spider mites, Scale, Suckering/spreading
Solutions: Root rot: Ensure well-draining soil and avoid overwatering. Spider mites: Treat with insecticidal soap or neem oil. Scale: Remove manually or treat with horticultural oil. Suckering/spreading: Prune suckers regularly to control spread.

Pulmonaria

Common Issues: Powdery mildew, Slugs and snails, Root rot, Leaf spot
Solutions: Improve air circulation and apply fungicide for powdery mildew. Use slug and snail bait or handpick pests. Ensure good drainage and avoid overwatering to prevent root rot. Remove affected leaves for leaf spot and apply fungicide if necessary.

❓ Frequently Asked Questions — Comparing These Plants

Aralia

What are the light requirements for Aralia?

Aralia thrives in bright, indirect light. Avoid direct sunlight, as it can burn the delicate leaves. An east-facing window is ideal, providing gentle morning light. If you only have south or west-facing windows, place the Aralia further away from the window or use sheer curtains to filter the light. Insufficient light can lead to leggy growth and leaf drop. Rotate the plant regularly to ensure even light exposure on all sides. During the darker winter months, consider supplementing with a grow light to maintain optimal growth. Monitor the plant’s leaves for signs of overexposure (scorching) or underexposure (yellowing).

How do I care for Aralia?

Aralia requires bright, indirect light to thrive. Avoid direct sunlight, which can scorch the leaves. Water thoroughly when the top inch of soil feels dry, ensuring good drainage to prevent root rot. Maintain a consistent watering schedule, but avoid overwatering. Aralia prefers a humid environment; mist the plant regularly or place it on a pebble tray filled with water. Fertilize monthly during the growing season (spring and summer) with a balanced liquid fertilizer diluted to half strength. Prune regularly to maintain shape and encourage bushier growth. Repot every 1-2 years into a slightly larger pot with well-draining potting mix. Maintain a stable temperature between 65-75°F (18-24°C) and protect from drafts.

How do I propagate Aralia?

Aralia can be propagated through stem cuttings or air layering. For stem cuttings, take a 4-6 inch cutting from a healthy stem. Remove the lower leaves and dip the cut end in rooting hormone. Plant the cutting in a well-draining potting mix and keep it consistently moist. Cover with a plastic bag to increase humidity. Roots should develop in 4-6 weeks. For air layering, make a small cut on a stem and wrap it with moist sphagnum moss. Cover the moss with plastic wrap and secure it with tape. Once roots appear through the moss, cut the stem below the roots and pot it in soil. Provide bright, indirect light and consistent moisture.

Pulmonaria

What are the light requirements for Pulmonaria?

Pulmonaria thrives in partial to full shade. In regions with hot summers, full shade is essential to prevent leaf scorch. Morning sun is tolerated, but avoid direct afternoon sun. The ideal location receives dappled sunlight throughout the day. Insufficient light can result in fewer blooms and less vibrant foliage.

How do I care for Pulmonaria?

Pulmonaria prefers partial to full shade, especially in warmer climates. Direct sunlight can scorch the leaves. The ideal location is one that receives morning sun and afternoon shade. Plant in well-draining, humus-rich soil that retains moisture. Water regularly, especially during dry periods, keeping the soil consistently moist but not soggy.

How do I propagate Pulmonaria?

Pulmonaria is most easily propagated by division in early spring or fall. Carefully dig up the plant and separate the root ball into smaller clumps, ensuring each clump has healthy roots and foliage. Replant the divisions in well-draining, humus-rich soil. Keep the soil consistently moist until the plants are established.

Last updated: April 29, 2026 — Plant care data reviewed and verified by our editorial team.