Jacob's Coat vs Japanese Cedar Plant Comparison

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

Jacob's Coat

Jacob's Coat

Alternanthera ficoidea

VS
Japanese Cedar

Japanese Cedar

Cryptomeria japonica

Jacob's Coat

Jacob's Coat

Alternanthera ficoidea

Alternanthera ficoidea, commonly known as Jacob's Coat, is a vibrant, tender perennial often grown as an annual. It's prized for its colorful foliage, which can display shades of red, pink, yellow, orange, and green. The plant typically grows to a height of 6-12 inches and spreads similarly. While it can be grown indoors, it thrives best outdoors in warm climates where it receives plenty of sunlight. People grow it for its ornamental value, using it in borders, containers, and as a ground cover to add a splash of color to gardens and landscapes.

Amaranthaceae South America (Brazil)
✨ Features: Vibrant foliage colors, attracts pollinators (outdoors)
📖 Read Complete Jacob's Coat Guide
Japanese Cedar

Japanese Cedar

Cryptomeria japonica

Cryptomeria japonica, commonly known as Japanese Cedar or Sugi, is a large evergreen coniferous tree native to Japan and China. It's characterized by its reddish-brown bark that peels in strips and its spirally arranged, awl-shaped leaves that are typically bluish-green. In its native habitat, it can reach heights of 50-70 meters. While primarily an outdoor tree, some dwarf cultivars are grown in containers. People grow it for its ornamental value, fast growth (in suitable conditions), and use as a privacy screen or windbreak.

Cupressaceae Japan, China
✨ Features: Attractive foliage, aromatic wood, relatively fast growth (outdoors)
📖 Read Complete Japanese Cedar Guide

Quick Plant Comparison

Feature Jacob's Coat Japanese Cedar
Light Full sun to partial shade. Requires at least 6 hours of direct sunlight daily for optimal color development. Full sun to partial shade
Watering Every 2-3 days outdoors in warm weather; every 5-7 days indoors, adjusting based on soil moisture. Every 1-2 weeks, depending on weather and soil drainage
Humidity 40-60% 30-60%
Temperature 18-27°C 10-24°C
Care Level Expert Expert
Growth Rate Moderate Moderate To Fast
Max Height 6-12 inches (indoors and outdoors) 2-5 meters (in containers, significantly smaller than in the wild)
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining potting mix rich in organic matter. A mix of peat moss, perlite, and vermiculite is suitable. Well-draining, slightly acidic soil
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 15 minutes weekly 30 minutes weekly

🔬 Botanical Information — Comparing These Plants

Jacob's Coat

Scientific Name Alternanthera ficoidea
Family Amaranthaceae
Native To South America (Brazil)
Also Known As Jacob's Coat, Joseph's Coat, Parrot Leaf, Calico Plant
Leaves The leaves of Jacob's Coat are ovate to lance-shaped, typically 1-2 inches long. They are smooth and slightly fleshy, with a glossy texture. The color varies greatly depending on the cultivar and the amount of sunlight exposure, ranging from deep red and purple to bright pink, yellow, orange, and green. Some varieties exhibit multiple colors on a single leaf.
Flowers Jacob's Coat produces small, inconspicuous white flowers, but they are not the main attraction of the plant. Flowering is rare indoors and not particularly showy even when it occurs outdoors.

Japanese Cedar

Scientific Name Cryptomeria japonica
Family Cupressaceae
Native To Japan, China
Also Known As Japanese Cedar, Sugi
Leaves The leaves are awl-shaped, spirally arranged, and typically bluish-green. They are about 0.5-1 cm long and have a slightly prickly texture.
Flowers It rarely flowers indoors. Outdoors, it produces small, inconspicuous flowers in spring, followed by small, globular cones.

📏 Size & Growth — Plant Comparison

Jacob's Coat

Height 6-12 inches (indoors and outdoors)
Spread 6-12 inches
Growth Rate Moderate
Growth Pattern Jacob's Coat exhibits a bushy, spreading growth habit. It typically grows to a height and spread of 6-12 inches, forming a dense mat of colorful foliage. Regular pruning helps maintain its shape and encourages bushier growth.

Japanese Cedar

Height 2-5 meters (in containers, significantly smaller than in the wild)
Spread 1-2 meters (in containers)
Growth Rate Moderate To Fast
Growth Pattern Outdoors, it grows into a large, pyramidal tree. Indoors, dwarf cultivars maintain a more compact, upright form.

🌱 Propagation — Comparing Plant Growth

Jacob's Coat

Methods: Stem cuttings, Seed

Difficulty: Easy

Tips: Take stem cuttings in spring or summer. Remove the lower leaves and place the cutting in water or directly into moist potting mix. Keep the soil consistently moist until roots develop.

Japanese Cedar

Methods: Seed, Cuttings

Difficulty: Moderate

Tips: Take semi-hardwood cuttings in late summer. Use rooting hormone and provide high humidity. Seed propagation requires stratification.

✨ Benefits & Features — Comparing Plant Value

Jacob's Coat

The plant's most striking feature is its vibrant, multi-colored foliage, which can include shades of red, pink, yellow, orange, and green. The intensity of the colors is directly related to the amount of sunlight it receives, making it a dynamic and visually appealing plant.

  • ✓ Adds vibrant color to gardens and containers
  • ✓ Attracts pollinators (outdoors)
  • ✓ Can be used as a ground cover
  • ✓ Provides visual interest with its unique foliage
  • ✓ Can be propagated easily from stem cuttings
  • ⚠️ Toxic to pets

Japanese Cedar

Japanese Cedar is a conifer that is not a true cedar, but belongs to the cypress family. Its reddish-brown bark and awl-shaped leaves give it a distinctive appearance. Dwarf cultivars are prized for their compact size and suitability for container growing.

  • ✓ Unique aesthetic appeal
  • ✓ Can be trained as bonsai
  • ✓ Provides a touch of nature indoors
  • ✓ Relatively slow-growing in containers
  • ✓ Offers a calming presence
  • ⚠️ Toxic to pets

📅 Maintenance Schedule — Plant Care Comparison

Jacob's Coat

Repotting Repot annually in spring if grown in containers, using a slightly larger pot.
Pruning Pinch back stems regularly to encourage bushier growth and remove any dead or yellowing leaves.
Fertilizing Balanced liquid fertilizer (10-10-10) diluted to half strength, every 2-4 weeks during the growing season (spring and summer).
Seasonal Care In winter, reduce watering and provide bright light if grown indoors. In summer, ensure adequate moisture and protect from intense afternoon sun in hotter climates. Outdoor plants may need to be brought indoors in colder climates.

Japanese Cedar

Repotting Every 2-3 years, or as needed when the plant becomes root-bound
Pruning Prune to maintain shape and remove dead or damaged branches. Best done in late winter or early spring.
Fertilizing Balanced slow-release fertilizer in spring
Seasonal Care In winter, reduce watering and protect from frost if grown in a container. In summer, ensure adequate watering and provide some shade during the hottest part of the day.

🌞 Light Requirements

Jacob's Coat

Full sun to partial shade. Requires at least 6 hours of direct sunlight daily for optimal color development.

Low light tolerant: ❌ No

Japanese Cedar

Full sun to partial shade

Low light tolerant: ❌ No

💧 Watering Needs

Jacob's Coat

Water regularly, keeping the soil consistently moist but not waterlogged. Allow the top inch of soil to dry out slightly between waterings. Overwatering can lead to root rot, indicated by yellowing and wilting leaves. Underwatering results in dry, crispy leaves and stunted growth.

Japanese Cedar

Water deeply when the topsoil feels dry to the touch. Avoid overwatering, which can lead to root rot. In containers, ensure proper drainage. During the growing season, water more frequently, and reduce watering in the winter.

🌡️ Temperature & Humidity

Jacob's Coat

Temperature: 18-27°C

Humidity: 40-60%

Japanese Cedar

Temperature: 10-24°C

Humidity: 30-60%

🤔 Which Plant Is Right For You?

Jacob's Coat

Jacob's Coat

Alternanthera ficoidea
Care: Expert Time: 15 minutes weekly Beginner: No

Gardeners in warm climates looking for a colorful ground cover or container plant, but who do not have pets.

✅ Choose This Plant If...

  • You want a plant with incredibly vibrant and varied foliage colors.
  • You live in a warm climate and can provide ample sunlight.
  • You are looking for a plant to use as a colorful ground cover or in container arrangements.
  • You enjoy a plant that attracts pollinators when grown outdoors.
  • You are experienced with plant care and can meet its specific light and watering needs.

❌ Skip This Plant If...

  • You have pets (dogs, cats, or horses) due to its toxicity.
  • You cannot provide at least 6 hours of direct sunlight daily.
  • You are a beginner gardener looking for a low-maintenance indoor plant.
📍 Ideal Location: Sunny windowsill (indoors), outdoor garden bed or container in a warm climate
🎨 Style: Tropical, Bohemian, Eclectic
🏠 Apartment Friendly: Limited
⚠️ According to the ASPCA, Alternanthera species are toxic to dogs, cats, and horses. Symptoms include skin irritation.
Japanese Cedar

Japanese Cedar

Cryptomeria japonica
Care: Expert Time: 30 minutes weekly Beginner: No

Experienced gardeners looking for a unique container plant for a bright, cool location.

✅ Choose This Plant If...

  • You appreciate the unique texture and form of conifers
  • You have a very bright, cool location for a container plant
  • You are an experienced gardener looking for a challenge
  • You want a small, slow-growing conifer for bonsai
  • You are prepared to provide specific care to maintain its health.

❌ Skip This Plant If...

  • You lack a very bright, cool location
  • You are a beginner gardener
  • You have pets that might ingest the plant
  • You want a low-maintenance houseplant.
📍 Ideal Location: Bright sunroom or cool greenhouse
🎨 Style: Japanese, Minimalist, Traditional
🏠 Apartment Friendly: Limited
⚠️ Although specific data is limited, conifers in general can be toxic to pets. The ASPCA lists some conifers as potentially causing gastrointestinal upset if ingested. Resin and sap can be irritating. All parts of the plant should be considered potentially harmful.

🎯 Quick Verdict

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

⚡ Key Differences Between These Plants

📈

Jacob's Coat has moderate growth, while Japanese Cedar grows moderate to fast.

💡 Pro Tips For Comparing These Plants

Jacob's Coat Care Tips

Jacob's Coat is relatively easy to grow outdoors in warm climates with ample sunlight. Indoors, it requires bright light and consistent moisture, which can be challenging. Maintaining vibrant foliage color indoors can be difficult without supplemental lighting. It is also toxic to pets.

  • Provide at least 6 hours of direct sunlight daily to maintain vibrant colors.
  • Water regularly, allowing the top inch of soil to dry out slightly between waterings.
  • Fertilize every 2-4 weeks during the growing season with a balanced liquid fertilizer.
  • Pinch back stems regularly to encourage bushier growth.
  • Monitor for pests and treat promptly with insecticidal soap or neem oil.
❄️ Winter: If grown outdoors in colder climates, Jacob's Coat is typically treated as an annual. If grown indoors, reduce watering frequency and provide bright light. Avoid placing the plant near cold drafts.
☀️ Summer: Ensure adequate moisture during hot summer months, especially for plants grown outdoors. Provide some shade during the hottest part of the day in extremely hot climates to prevent leaf scorch. Fertilize regularly to support vigorous growth.

Japanese Cedar Care Tips

Japanese Cedar is primarily an outdoor tree and presents significant challenges when grown indoors. It requires very bright light, well-draining soil, and careful watering to prevent root rot. Maintaining adequate humidity indoors can also be difficult. Only dwarf cultivars are suitable for container growing, and even then, they may not thrive indoors long-term.

  • Provide excellent drainage to prevent root rot
  • Ensure adequate humidity, especially in dry indoor environments
  • Fertilize sparingly with a balanced fertilizer
  • Monitor for pests regularly
  • Rotate the plant regularly to ensure even growth.
❄️ Winter: Reduce watering in winter. Protect from frost if grown in a container. Provide bright light.
☀️ Summer: Ensure adequate watering during hot weather. Provide some shade during the hottest part of the day to prevent scorching.

⚠️ Common Problems & Solutions — Plant Care Comparison

Jacob's Coat

Common Issues: Leggy growth, Fading color, Root rot, Pest infestations (aphids, spider mites)
Solutions: Prune leggy growth to encourage bushier growth. Provide more sunlight to enhance color. Ensure well-draining soil and avoid overwatering to prevent root rot. Treat pest infestations with insecticidal soap or neem oil.

Japanese Cedar

Common Issues: Spider mites, Root rot, Browning foliage, Poor growth
Solutions: Spider mites: Treat with insecticidal soap or neem oil. Root rot: Improve drainage and reduce watering. Browning foliage: Ensure adequate watering and humidity. Poor growth: Provide sufficient light and fertilizer.

❓ Frequently Asked Questions — Comparing These Plants

Jacob's Coat

What are the light requirements for Jacob's Coat?

Jacob’s Coat requires bright, indirect light to maintain its vibrant coloration. Insufficient light can cause the leaves to fade and lose their intensity. An east-facing window is ideal, providing gentle morning sun. A west-facing window can work, but be cautious of harsh afternoon sun, which can scorch the leaves. If using a south-facing window, place the plant further back from the window or filter the light with a sheer curtain. Avoid direct sunlight, especially during the hottest part of the day. Rotate the plant regularly to ensure even light exposure on all sides. Artificial grow lights can supplement natural light, especially during winter months.

How do I care for Jacob's Coat?

Jacob’s Coat thrives in bright, indirect light. Direct sunlight can scorch its delicate leaves. Water when the top inch of soil feels dry to the touch, ensuring good drainage to prevent root rot. Maintain high humidity levels by misting regularly, using a humidifier, or placing the plant on a pebble tray filled with water. Fertilize every 2-4 weeks during the growing season (spring and summer) with a balanced liquid fertilizer diluted to half strength. Repot in spring if the plant becomes root-bound. Prune regularly to maintain shape and encourage bushier growth. Keep the plant away from drafts and sudden temperature changes. Ensure the soil is well-draining and slightly acidic. Monitor for pests like spider mites and aphids, and treat promptly. Provide consistent care for optimal color and growth.

How do I propagate Jacob's Coat?

Jacob’s Coat can be easily propagated through stem cuttings. Take a 4-6 inch cutting from a healthy stem, removing the lower leaves. Dip the cut end in rooting hormone and plant it in moist, well-draining potting mix. Keep the cutting in a warm, humid environment until roots develop. Division is another option, separating the plant at the root ball during repotting. Air layering involves encouraging root growth on a stem while still attached to the parent plant, by wounding the stem and wrapping it in moist sphagnum moss.

Japanese Cedar

What are the light requirements for Japanese Cedar?

Japanese Cedars require bright, indirect light to thrive indoors. Direct sunlight can scorch their delicate foliage, leading to brown tips and overall stress. A location near an east-facing window is often ideal, providing ample morning light without the harsh afternoon sun. If placed near a south- or west-facing window, use sheer curtains to filter the light. Insufficient light can result in leggy growth and a loss of foliage density. Rotate the plant regularly to ensure all sides receive adequate light exposure. If natural light is limited, consider supplementing with a grow light to maintain healthy growth and vibrant color.

How do I care for Japanese Cedar?

Japanese Cedars thrive indoors with 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. Maintain high humidity levels through misting or a humidifier, especially during dry months. Use a well-draining potting mix formulated for conifers or evergreens. Fertilize sparingly during the growing season (spring and summer) with a balanced, slow-release fertilizer. Prune regularly to maintain the desired shape and size. Repot every 2-3 years as needed, choosing a slightly larger pot. Provide stable temperatures, avoiding sudden fluctuations and drafts. Rotate the plant regularly to ensure even growth. Monitor for pests like spider mites and treat promptly.

How do I propagate Japanese Cedar?

Japanese Cedars can be propagated through stem cuttings or air layering, though success rates can vary. 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 by covering with a plastic bag or humidity dome. For air layering, make a small incision on a branch, wrap it with moist sphagnum moss, and cover it with plastic wrap. Secure the wrap tightly and keep the moss moist. Once roots have formed, cut the branch below the rooted section and pot it up. Both methods require patience and consistent care.

Last updated: May 6, 2026 — Plant care data reviewed and verified by our editorial team.