Comfrey vs Ice Plant Plant Comparison
Compare these two plants side by side — care needs, key differences, and which is right for your home.
Comfrey
Symphytum officinale
Comfrey is a perennial herb known for its historical use in traditional medicine, though its internal use is now discouraged due to toxicity concerns. It features coarse, hairy leaves and bell-shaped flowers that are typically purple, blue, pink, or white. It grows outdoors to a height of about 1-3 feet and spreads via rhizomes. People grow it for its attractive foliage and flowers, and historically for its medicinal properties (though this is now largely avoided). It is primarily an outdoor plant and does not thrive indoors.
Ice Plant
Lampranthus spectabilis
Lampranthus spectabilis, commonly known as Trailing Ice Plant, is a succulent groundcover native to South Africa. It's characterized by its vibrant, daisy-like flowers that bloom profusely in spring and summer, creating a carpet of color. The plant features fleshy, cylindrical leaves that are bluish-green. It's primarily an outdoor plant, valued for its drought tolerance and ability to stabilize slopes. While it can be grown in containers, it requires very specific conditions to thrive indoors, making it challenging for indoor cultivation. People grow it for its showy flowers and low-maintenance nature in suitable climates.
Quick Plant Comparison
| Feature | Comfrey | Ice Plant |
|---|---|---|
| Light | Full sun to partial shade | Full sun (at least 6-8 hours of direct sunlight daily) |
| Watering | Every 1-2 weeks, depending on weather and soil drainage | Every 2-4 weeks, depending on weather and soil drainage |
| Humidity | 30-50% | 20-40% |
| Temperature | 10-25°C | 15-27°C |
| Care Level | Expert | Expert |
| Growth Rate | Fast | Fast |
| Max Height | N/A - Not suitable for indoor growing | 15-30 cm |
| Pet Safety | ❌ Toxic To Pets | ✅ Safe |
| Soil | Well-drained soil, loamy or sandy soil is best. Tolerates a wide range of soil types, including poor soil. | Well-draining succulent or cactus mix |
| Beginner Friendly | ❌ No | ❌ No |
| Weekly Maintenance | 10 minutes weekly (mostly weeding and watering) | 5 minutes weekly (mostly for occasional pruning and pest checks) |
🔬 Botanical Information — Comparing These Plants
Comfrey
| Scientific Name | Symphytum officinale |
|---|---|
| Family | Boraginaceae |
| Native To | Europe and Asia |
| Also Known As | Comfrey, Common Comfrey, Knitbone, Boneset |
| Leaves | The leaves are large, coarse, and hairy, with an oval to lanceolate shape. They are typically dark green and can grow up to 10 inches long. The texture is rough due to the presence of bristly hairs. |
| Flowers | Comfrey produces bell-shaped flowers that hang in clusters. The flowers are typically purple, blue, pink, or white. It rarely flowers indoors. |
Ice Plant
| Scientific Name | Lampranthus spectabilis |
|---|---|
| Family | Aizoaceae |
| Native To | South Africa |
| Also Known As | Trailing Ice Plant, Showy Trailing Iceplant, Pink Carpet |
| Leaves | Fleshy, cylindrical leaves that are bluish-green in color. They are typically 2-5 cm long and have a smooth texture. |
| Flowers | Flowers profusely outdoors in spring and summer. The flowers are daisy-like, 5-8 cm in diameter, and come in a variety of colors, including pink, purple, orange, and yellow. Rarely flowers indoors. |
📏 Size & Growth — Plant Comparison
Comfrey
Ice Plant
🌱 Propagation — Comparing Plant Growth
Comfrey
Methods: Root cuttings, Division, Seed
Difficulty: Easy
Tips: Divide established plants in spring or fall. Root cuttings should be taken in late fall or early spring. Sow seeds directly in the garden in spring or fall.
Ice Plant
Methods: Stem cuttings, Seed
Difficulty: Easy
Tips: Take stem cuttings in spring or summer, allow them to callous over for a few days, and then plant them in well-draining soil. Keep the soil lightly moist until roots develop.
✨ Benefits & Features — Comparing Plant Value
Comfrey
Comfrey is known for its rapid growth and ability to accumulate nutrients from the soil. It's also notable for its historical use in traditional medicine, although this is now largely discouraged due to toxicity concerns.
- ✓ Attracts pollinators
- ✓ Provides ground cover
- ✓ Tolerates poor soil
- ✓ Low maintenance
- ✓ Historically used in herbal medicine
- ⚠️ Toxic to pets
Ice Plant
Lampranthus spectabilis is known for its vibrant, daisy-like flowers that bloom profusely in spring and summer. Its drought tolerance and ability to thrive in poor soils make it a valuable plant for xeriscaping and erosion control.
- ✓ Drought tolerance reduces water consumption.
- ✓ Vibrant flowers enhance garden aesthetics.
- ✓ Erosion control helps stabilize soil.
- ✓ Attracts pollinators like bees and butterflies.
- ✓ Low maintenance saves time and effort.
- 🐾 Pet Safe
📅 Maintenance Schedule — Plant Care Comparison
Comfrey
Ice Plant
🌞 Light Requirements
Comfrey
Full sun to partial shade
Low light tolerant: ❌ No
Ice Plant
Full sun (at least 6-8 hours of direct sunlight daily)
Low light tolerant: ❌ No
💧 Watering Needs
Comfrey
Water deeply when the top inch of soil feels dry. Avoid overwatering, which can lead to root rot. Comfrey prefers consistently moist soil but doesn't like to sit in standing water. Signs of underwatering include wilting leaves; overwatering signs include yellowing leaves and a musty smell.
Ice Plant
Water thoroughly when the soil is dry to the touch. Overwatering can lead to root rot, so ensure good drainage. Signs of overwatering include yellowing or mushy leaves. Underwatering is indicated by shriveled or wrinkled leaves.
🌡️ Temperature & Humidity
Comfrey
Temperature: 10-25°C
Humidity: 30-50%
Ice Plant
Temperature: 15-27°C
Humidity: 20-40%
🤔 Which Plant Is Right For You?
Comfrey
Symphytum officinaleExperienced gardeners looking for a low-maintenance, fast-growing ground cover in a large outdoor space, understanding the toxicity risks.
✅ Choose This Plant If...
- You have a large outdoor space and need a fast-growing ground cover.
- You are interested in attracting pollinators to your garden.
- You are an experienced gardener familiar with the plant's toxicity.
- You want a low-maintenance plant that can tolerate a wide range of soil conditions.
- You appreciate plants with a rich history of traditional use (though not for internal consumption).
❌ Skip This Plant If...
- You have pets or small children who might ingest the plant.
- You have limited space, as comfrey spreads aggressively.
- You are looking for an easy-to-grow indoor plant.
Ice Plant
Lampranthus spectabilisGardeners in warm, dry climates looking for a low-maintenance, colorful groundcover.
✅ Choose This Plant If...
- You live in a warm, sunny, and dry climate.
- You want a low-maintenance groundcover that requires minimal watering.
- You desire vibrant, colorful flowers that attract pollinators.
- You need a plant for erosion control on slopes.
- You have a rock garden or succulent garden.
❌ Skip This Plant If...
- You live in a cold, wet climate with limited sunlight.
- You want an easy-to-grow indoor plant.
- You are concerned about aggressive spreading in your garden.
🎯 Quick Verdict
⚡ Key Differences Between These Plants
Comfrey needs full sun to partial shade, while Ice Plant prefers full sun (at least 6-8 hours of direct sunlight daily).
💡 Pro Tips For Comparing These Plants
Comfrey Care Tips
Comfrey is an outdoor plant that is very difficult to grow indoors due to its need for full sun and its aggressive growth habit. It spreads via rhizomes and requires a large space to thrive. Indoor cultivation is not recommended due to these challenges and the plant's toxicity.
- Plant in a location where it can spread freely.
- Water deeply but infrequently.
- Avoid over-fertilizing.
- Monitor for pests and diseases.
- Be aware of the plant's toxicity and take precautions to prevent ingestion.
Ice Plant Care Tips
Trailing Ice Plant is primarily an outdoor plant that requires full sun and well-draining soil. Indoor cultivation is challenging due to the high light requirements. It's drought-tolerant but susceptible to root rot if overwatered. It can spread aggressively in suitable outdoor conditions. Indoor growing is not recommended.
- Provide full sun for optimal flowering.
- Ensure excellent drainage to prevent root rot.
- Water sparingly, allowing the soil to dry out completely between waterings.
- Fertilize lightly in spring with a low-nitrogen fertilizer.
- Prune after flowering to maintain shape and encourage new growth.
⚠️ Common Problems & Solutions — Plant Care Comparison
Comfrey
Ice Plant
❓ Frequently Asked Questions — Comparing These Plants
Comfrey
What are the light requirements for Comfrey?
Comfrey thrives in partial to full sunlight, requiring at least 4-6 hours of direct sunlight per day for optimal growth and flowering. However, it can also tolerate partial shade, especially in hotter climates where intense afternoon sun can scorch its leaves. When grown in full sun, ensure adequate watering to prevent the soil from drying out.
How do I care for Comfrey?
Comfrey is relatively easy to care for. Plant in a location with partial to full sunlight, although it tolerates shade. Soil should be well-draining and fertile, but Comfrey is adaptable to various soil types. Water regularly, especially during dry periods, keeping the soil consistently moist but not waterlogged. Fertilize in spring with a balanced fertilizer to promote healthy growth and flowering.
How do I propagate Comfrey?
Comfrey is easily propagated through division, stem cuttings, or root cuttings.
Ice Plant
What are the light requirements for Ice Plant?
Ice Plants require ample sunlight to thrive and produce their characteristic vibrant blooms. Ideally, they should receive at least 6 hours of direct sunlight each day. A south-facing window is often the best location for indoor Ice Plants. If natural light is insufficient, supplement with a grow light. Insufficient light can lead to etiolation, where the plant becomes leggy and the leaves become pale and stretched. Rotate the plant regularly to ensure even light exposure on all sides. When acclimating an Ice Plant to brighter light conditions, do so gradually to avoid sunburn. Outdoor Ice Plants should be planted in a location that receives full sun.
How do I care for Ice Plant?
Ice Plants thrive in bright, direct sunlight for at least 6 hours daily. Plant in well-draining succulent or cactus mix to prevent root rot. Water thoroughly only when the soil is completely dry, typically every 2-4 weeks, depending on the climate and pot size. Reduce watering significantly during the winter dormancy period. Maintain temperatures between 60-80°F (15-27°C). Fertilize sparingly during the growing season (spring and summer) with a diluted balanced liquid fertilizer specifically formulated for succulents. Repot only when the plant becomes root-bound. Ensure good air circulation to prevent fungal diseases. Prune back any dead or leggy growth to encourage bushier growth and more abundant blooms. Protect from frost, as Ice Plants are not cold-hardy. Monitor for pests like mealybugs and aphids, and treat promptly if detected.
How do I propagate Ice Plant?
Ice Plants are easily propagated through leaf cuttings, stem cuttings, or offsets. For leaf cuttings, allow the cut end to callous over for a few days before placing it on top of well-draining soil. Mist lightly and keep in a bright location. For stem cuttings, allow the cut end to callous over for a few days before planting it in well-draining soil. Water sparingly until roots develop. Offsets can be carefully separated from the mother plant and planted in their own pots. Ensure the soil is well-draining and provide bright, indirect light. Water sparingly until the new plants are established. Rooting hormone can be used to increase the success rate of propagation, but it is not essential.
Last updated: May 14, 2026 — Plant care data reviewed and verified by our editorial team.