Hound's Tongue vs Lipstick Plant Plant Comparison

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

Hound's Tongue

Hound's Tongue

Cynoglossum officinale

VS
Lipstick Plant

Lipstick Plant

Aeschynanthus radicans

Hound's Tongue

Hound's Tongue

Cynoglossum officinale

Hound's Tongue is a biennial or short-lived perennial herb, typically growing to 1-3 feet tall. It features a rosette of large, lance-shaped basal leaves in its first year, followed by an erect flowering stem in the second. The plant is characterized by its rough, hairy texture and distinctive reddish-purple flowers that bloom in the summer. The seeds are covered in small barbs, resembling a dog's tongue, which aid in their dispersal by clinging to animals. It is primarily an outdoor plant, valued for its unique appearance and historical medicinal uses, though it is now recognized as toxic.

Boraginaceae Europe and Asia; naturalized in North America
✨ Features: Unique seed dispersal mechanism (burrs), historical medicinal uses (though now discouraged due to toxicity)
📖 Read Complete Hound's Tongue Guide
Lipstick Plant

Lipstick Plant

Aeschynanthus radicans

The Lipstick Plant (Aeschynanthus radicans) is an epiphytic vine prized for its unique flowers that resemble tubes of lipstick emerging from a dark-colored case. It features long, trailing stems adorned with small, oval-shaped, dark green leaves. Primarily grown as a hanging plant, it thrives indoors with proper care. Its cascading growth habit and vibrant blooms make it a popular choice for adding a touch of the tropics to homes. While it can survive outdoors in very warm climates, it's predominantly an indoor plant due to its sensitivity to cold temperatures.

Gesneriaceae Malaysia, Indonesia, Thailand, Vietnam
✨ Features: Unique lipstick-like flowers, trailing growth habit.
📖 Read Complete Lipstick Plant Guide

Quick Plant Comparison

Feature Hound's Tongue Lipstick Plant
Light Full sun to partial shade Bright, indirect light. Avoid direct sunlight, which can scorch the leaves.
Watering Every 1-2 weeks, depending on rainfall and soil drainage Every 7-10 days, adjust based on environmental conditions and pot size.
Humidity 30-50% 50-70%
Temperature 10-25°C 18-24°C
Care Level Expert Moderate
Growth Rate Moderate Moderate
Max Height N/A (Primarily an outdoor plant, not suitable for indoor growing) 30-60 cm (indoors)
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-drained soil, tolerates a range of soil types including clay, loam, and sand Well-draining potting mix, such as a mix of peat moss, perlite, and orchid bark.
Beginner Friendly ❌ No With Caution
Weekly Maintenance 15 minutes weekly (primarily for monitoring spread and removing seed heads) 10 minutes weekly

🔬 Botanical Information — Comparing These Plants

Hound's Tongue

Scientific Name Cynoglossum officinale
Family Boraginaceae
Native To Europe and Asia; naturalized in North America
Also Known As Houndstongue, Hound's Tongue, Gypsyflower
Leaves The leaves are lance-shaped to oblong, 10-30 cm long and 2-8 cm wide, with a rough, hairy texture. The basal leaves are larger than the stem leaves. The color is a dull green to grayish-green.
Flowers The flowers are small, reddish-purple to maroon, and arranged in scorpioid cymes (coiled clusters) along the flowering stem. They bloom in the summer (June-August). It does not flower indoors.

Lipstick Plant

Scientific Name Aeschynanthus radicans
Family Gesneriaceae
Native To Malaysia, Indonesia, Thailand, Vietnam
Also Known As Lipstick Plant, Lipstick Vine
Leaves Small, oval-shaped leaves, typically 2-5 cm long. They are usually a deep green color and have a slightly waxy texture.
Flowers Yes, it can flower indoors with proper care. The flowers are tubular, bright red, and emerge from dark-colored bracts, resembling tubes of lipstick.

📏 Size & Growth — Plant Comparison

Hound's Tongue

Height N/A (Primarily an outdoor plant, not suitable for indoor growing)
Spread N/A (Primarily an outdoor plant, not suitable for indoor growing)
Growth Rate Moderate
Growth Pattern Hound's Tongue grows as a rosette of basal leaves in its first year. In the second year, it sends up an erect flowering stem, typically branching near the top. It is a taprooted plant, which helps it tolerate drought conditions.

Lipstick Plant

Height 30-60 cm (indoors)
Spread 30-90 cm
Growth Rate Moderate
Growth Pattern Trailing, cascading vine. Stems can grow quite long and will spill over the sides of a pot or hanging basket.

🌱 Propagation — Comparing Plant Growth

Hound's Tongue

Methods: Seed

Difficulty: Easy

Tips: Sow seeds in the fall or early spring. Cold stratification (exposing seeds to cold temperatures for a period) can improve germination rates. Direct sow into well-drained soil and lightly cover with soil. Keep the soil moist until germination occurs.

Lipstick Plant

Methods: Stem cuttings

Difficulty: Easy

Tips: Take 10-15 cm stem cuttings with at least 2-3 nodes. Remove the lower leaves and place the cutting in water or directly into moist potting mix. Keep the cutting in a warm, humid environment until roots develop.

✨ Benefits & Features — Comparing Plant Value

Hound's Tongue

The plant's barbed seeds are its most distinctive feature, allowing them to cling to fur and clothing for dispersal. Its toxicity due to pyrrolizidine alkaloids sets it apart from many other common garden plants.

  • ✓ Attracts pollinators
  • ✓ Adds visual interest to a wildflower garden
  • ✓ Drought-tolerant once established
  • ✓ Historically used in traditional medicine
  • ✓ Unique seed dispersal method
  • ⚠️ Toxic to pets

Lipstick Plant

The Lipstick Plant is distinguished by its unique flowers that emerge from dark-colored bracts, resembling tubes of lipstick. Its trailing growth habit and epiphytic nature make it a visually appealing and adaptable houseplant.

  • ✓ Adds a vibrant pop of color to indoor spaces.
  • ✓ Unique and eye-catching flowers serve as a conversation starter.
  • ✓ Relatively easy to propagate, allowing you to expand your collection.
  • ✓ Trailing growth habit adds visual interest to hanging baskets.
  • ✓ Can help improve indoor humidity levels.
  • ⚠️ Toxic to pets

📅 Maintenance Schedule — Plant Care Comparison

Hound's Tongue

Repotting N/A (Not suitable for container growing)
Pruning Remove spent flower stalks to prevent self-seeding if desired. Prune any dead or damaged foliage as needed.
Fertilizing Not generally needed; avoid over-fertilizing. A light application of balanced fertilizer in early spring can be beneficial in nutrient-poor soils.
Seasonal Care In the fall, allow seed heads to dry if you want natural reseeding, or remove them to prevent spread. In winter, the plant may die back to the ground, but it will re-emerge in the spring. No special winter protection is needed in most climates.

Lipstick Plant

Repotting Every 1-2 years, or when the plant becomes root-bound.
Pruning Prune after flowering to maintain shape and encourage bushier growth. Remove any dead or yellowing leaves.
Fertilizing Balanced liquid fertilizer (20-20-20) diluted to half strength, every 2-4 weeks during the growing season (spring and summer).
Seasonal Care Reduce watering in winter as growth slows. Increase humidity during dry winter months. Provide adequate light year-round.

🌞 Light Requirements

Hound's Tongue

Full sun to partial shade

Low light tolerant: ❌ No

Lipstick Plant

Bright, indirect light. Avoid direct sunlight, which can scorch the leaves.

Low light tolerant: ❌ No

💧 Watering Needs

Hound's Tongue

Water deeply when the top inch of soil feels dry. Avoid overwatering, as this can lead to root rot. During the first year, water regularly to establish the plant. Once established, it is relatively drought-tolerant. Signs of underwatering include wilting leaves, while overwatering can cause yellowing and mushy stems.

Lipstick Plant

Water thoroughly when the top inch of soil feels dry. Ensure good drainage to prevent root rot. Overwatering can lead to yellowing leaves and stem rot. Underwatering results in shriveled leaves and bud drop.

🌡️ Temperature & Humidity

Hound's Tongue

Temperature: 10-25°C

Humidity: 30-50%

Lipstick Plant

Temperature: 18-24°C

Humidity: 50-70%

🤔 Which Plant Is Right For You?

Hound's Tongue

Hound's Tongue

Cynoglossum officinale
Care: Expert Time: 15 minutes weekly (primarily for monitoring spread and removing seed heads) Beginner: No

Experienced gardeners in rural settings who understand the risks associated with toxic plants and can manage its spread.

✅ Choose This Plant If...

  • You want a plant with a unique seed dispersal mechanism.
  • You are interested in plants with a historical medicinal background (though not recommended for modern use).
  • You have a large, sunny garden area where it can be contained.
  • You are experienced with managing potentially invasive plants.
  • You want to attract pollinators to your garden.

❌ Skip This Plant If...

  • You have pets or small children who might ingest the plant.
  • You are looking for an indoor plant.
  • You live in an area where it is considered an invasive species.
  • You prefer low-maintenance, worry-free plants.
  • You are a beginner gardener.
📍 Ideal Location: Outdoor garden or meadow with full sun and well-drained soil
🎨 Style: Wildflower, Cottage Garden
🏠 Apartment Friendly: No
⚠️ All parts of the plant, especially the seeds, contain pyrrolizidine alkaloids, which are toxic to dogs, cats, horses, and humans. Symptoms include liver damage, photosensitization, and neurological issues. Ingestion can be fatal in severe cases. Contact a veterinarian or medical professional immediately if ingestion is suspected.
Lipstick Plant

Lipstick Plant

Aeschynanthus radicans
Care: Moderate Time: 10 minutes weekly Beginner: With-caution

Plant enthusiasts looking for a unique and visually appealing hanging plant with vibrant blooms.

✅ Choose This Plant If...

  • You want a unique hanging plant with vibrant, eye-catching flowers.
  • You have a bright, indirect light location in your home.
  • You enjoy the challenge of providing moderate humidity for tropical plants.
  • You are looking for a plant that can be easily propagated from cuttings.
  • You appreciate plants with a trailing growth habit.

❌ Skip This Plant If...

  • You have pets that might ingest the plant.
  • You struggle to provide adequate humidity for tropical plants.
  • You tend to overwater your plants.
  • You don't have a location with bright, indirect light.
📍 Ideal Location: Hanging basket near an east or west-facing window, bathroom with good ventilation.
🎨 Style: Bohemian, Tropical, Eclectic
🏠 Apartment Friendly: Yes
⚠️ According to the ASPCA, Aeschynanthus species are toxic to dogs, cats, and horses. Symptoms include vomiting, diarrhea, and depression. 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 Lipstick Plant

⚡ Key Differences Between These Plants

🎯

Hound's Tongue is rated Expert care level, while Lipstick Plant is Moderate.

💡 Pro Tips For Comparing These Plants

Hound's Tongue Care Tips

Hound's Tongue is primarily an outdoor plant and is not suitable for indoor growing. It requires full sun and well-drained soil. Due to its toxicity, it's crucial to keep it away from pets and children. It is relatively low-maintenance once established, but its toxic nature makes it a less desirable garden plant.

  • Monitor for spread and remove seed heads to prevent unwanted seedlings.
  • Wear gloves when handling the plant to avoid skin irritation.
  • Provide well-drained soil to prevent root rot.
  • Water deeply but infrequently once established.
  • Be aware of its toxicity and keep it away from pets and children.
❄️ Winter: The plant may die back to the ground in winter, especially in colder climates. No special winter protection is needed, as it is relatively cold-hardy.
☀️ Summer: Provide adequate water during dry periods. Monitor for pests and diseases. Remove spent flower stalks to prevent unwanted self-seeding.

Lipstick Plant Care Tips

Lipstick Plants are relatively easy to care for indoors, requiring bright, indirect light, well-draining soil, and moderate humidity. Consistent watering and occasional fertilization will encourage healthy growth and flowering. Watch out for pests and diseases.

  • Provide bright, indirect light to encourage flowering.
  • Maintain consistent moisture, but avoid overwatering.
  • Increase humidity by misting regularly or using a humidifier.
  • Fertilize regularly during the growing season to promote healthy growth.
  • Prune after flowering to maintain shape and encourage bushier growth.
❄️ Winter: Reduce watering frequency as growth slows. Maintain adequate humidity. Ensure the plant receives sufficient light, even during shorter days.
☀️ Summer: Provide adequate ventilation to prevent fungal diseases. Protect from direct sunlight, which can scorch the leaves. Increase watering frequency as needed.

⚠️ Common Problems & Solutions — Plant Care Comparison

Hound's Tongue

Common Issues: Spreading, Toxicity, Susceptibility to pests and diseases
Solutions: Control spread by removing seed heads before they mature. | Keep away from pets and children due to toxicity. | Monitor for pests and diseases, and treat accordingly with appropriate insecticides or fungicides.

Lipstick Plant

Common Issues: Aphids, mealybugs, root rot, bud drop
Solutions: Aphids/Mealybugs: Insecticidal soap or neem oil. Root rot: Improve drainage, reduce watering. Bud drop: Increase humidity, ensure adequate light, avoid drafts.

❓ Frequently Asked Questions — Comparing These Plants

Hound's Tongue

What are the light requirements for Hound's Tongue?

Hound’s Tongue prefers partial to full sun, but the ideal amount of sunlight depends on your specific climate. In cooler climates, it can tolerate full sun, but in hotter regions, afternoon shade is crucial to prevent leaf scorch. Aim for at least 6 hours of direct sunlight per day for optimal growth and flowering.

How do I care for Hound's Tongue?

Hound’s Tongue thrives in well-draining soil and prefers partial to full sun, depending on your specific climate. Water thoroughly when the top inch of soil feels dry, but avoid overwatering to prevent root rot. Fertilize sparingly with a balanced, slow-release fertilizer in the spring to promote healthy growth.

How do I propagate Hound's Tongue?

Hound’s Tongue can be propagated through division or seed. Division is best done in the 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 soil and water thoroughly.

Lipstick Plant

What are the light requirements for Lipstick Plant?

Lipstick Plants require bright, indirect light to thrive. East-facing windows are ideal, as they provide gentle morning sun. West- or south-facing windows can work if the plant is placed a few feet away to avoid direct sunlight, which can scorch the leaves. Insufficient light can result in fewer flowers and leggy growth. If you don’t have adequate natural light, consider using a grow light to supplement. Rotate the plant regularly to ensure even growth on all sides. During the winter months, when light levels are lower, you may need to move the plant to a brighter location or increase the use of grow lights. Observing the plant’s growth and leaf color will help you determine if it’s receiving the appropriate amount of light.

How do I care for Lipstick Plant?

Lipstick Plants thrive in bright, indirect light; 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. Use a well-draining potting mix, such as a mix of peat moss, perlite, and vermiculite. Fertilize monthly during the growing season (spring and summer) with a balanced liquid fertilizer diluted to half strength. Maintain a humidity level of 50-70%, which can be achieved by misting, using a humidifier, or placing the plant on a pebble tray. Prune regularly to encourage bushier growth and remove any dead or yellowing leaves. Provide a support structure, such as a trellis or moss pole, if you want the plant to climb, or allow it to trail freely from a hanging basket. Repot every 1-2 years as needed, using a slightly larger pot.

How do I propagate Lipstick Plant?

Lipstick Plants can be easily propagated via stem cuttings. Take a 4-6 inch cutting from a healthy stem, ensuring it has several leaves. Remove the lower leaves and place the cutting in water or directly into moist potting mix. For water propagation, change the water every few days. Roots should develop within a few weeks. Once roots are established, plant the cutting in a pot with well-draining soil. Layering is another option. Pin a stem to the soil while still attached to the mother plant. Once roots form, sever the new plant from the mother.

Last updated: April 27, 2026 — Plant care data reviewed and verified by our editorial team.