Amaranth vs Moreton Bay Fig Plant Comparison

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

Amaranth

Amaranth

Amaranthus spp.

VS
Moreton Bay Fig

Moreton Bay Fig

Ficus macrophylla

Amaranth

Amaranth

Amaranthus spp.

Amaranth is a genus of annual or short-lived perennial plants known for their vibrant foliage and grain-like seeds. They vary greatly in appearance, from upright, bushy forms to drooping, tassel-like inflorescences. Many species are cultivated for their edible leaves and seeds, which are highly nutritious. Others are grown as ornamentals for their colorful foliage, which can range from green to red, purple, and gold. Amaranth is primarily an outdoor plant, thriving in full sun and warm temperatures. While some smaller varieties might temporarily survive indoors, they will struggle to achieve their full potential.

Amaranthaceae Various species originate from different regions worldwide, including North and South America, Africa, and Asia.
✨ Features: Edible leaves and seeds, vibrant foliage colors, attracts pollinators.
📖 Read Complete Amaranth Guide
Moreton Bay Fig

Moreton Bay Fig

Ficus macrophylla

The Moreton Bay Fig is a massive evergreen tree characterized by its impressive buttress roots and wide-spreading canopy. In its native habitat, it can reach heights of over 60 meters. It is primarily an outdoor tree, valued for its shade and dramatic presence. It is not naturally an indoor plant, and maintaining it indoors long-term is challenging due to its size and light requirements. People grow it outdoors for its ornamental value and shade.

Moraceae Eastern Australia
✨ Features: Impressive buttress roots, large canopy, significant shade provider.
📖 Read Complete Moreton Bay Fig Guide

Quick Plant Comparison

Feature Amaranth Moreton Bay Fig
Light Full sun (at least 6-8 hours of direct sunlight daily) Full sun to partial shade. Requires at least 6 hours of direct sunlight daily.
Watering Every 3-7 days, depending on weather and soil drainage Every 1-2 weeks, depending on weather and soil drainage.
Humidity 40-60% 40-60%
Temperature 20-30°C 18-27°C
Care Level Expert Expert
Growth Rate Fast Fast
Max Height 0.3-2.5m (outdoors); significantly smaller if grown indoors (unlikely to thrive) Rarely exceeds 3 meters indoors, but can reach 60+ meters outdoors.
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining soil, such as a mix of potting soil, perlite, and compost. Well-draining soil mix, such as a blend of loam, sand, and perlite.
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 15-30 minutes weekly (weeding, watering, pest control) 30 minutes weekly (mostly watering and occasional pruning).

🔬 Botanical Information — Comparing These Plants

Amaranth

Scientific Name Amaranthus spp.
Family Amaranthaceae
Native To Various species originate from different regions worldwide, including North and South America, Africa, and Asia.
Also Known As Amaranth, Pigweed, Love-lies-bleeding
Leaves Amaranth leaves are typically oval or lance-shaped, with smooth or slightly wavy edges. The color varies depending on the species and cultivar, ranging from green to red, purple, and gold. The leaves are often textured and can be slightly hairy.
Flowers Amaranth produces small, densely packed flowers in spikes or tassels. The flowers are typically red, pink, purple, or gold, and they are often quite showy. Amaranth rarely flowers indoors due to insufficient light.

Moreton Bay Fig

Scientific Name Ficus macrophylla
Family Moraceae
Native To Eastern Australia
Also Known As Moreton Bay Fig, Australian Banyan
Leaves The leaves are large, oval-shaped, and leathery, typically 10-20 cm long. They are dark green and glossy on the upper surface, with a paler green underside. New leaves emerge with a reddish tint.
Flowers It rarely flowers indoors. Outdoors, it produces small, inconspicuous flowers within a syconium (a fig-like structure).

📏 Size & Growth — Plant Comparison

Amaranth

Height 0.3-2.5m (outdoors); significantly smaller if grown indoors (unlikely to thrive)
Spread 0.3-1m (outdoors); significantly smaller if grown indoors (unlikely to thrive)
Growth Rate Fast
Growth Pattern Amaranth typically grows upright and bushy, with some varieties exhibiting a more drooping or cascading habit. The plant produces numerous branches and leaves, culminating in showy flower spikes or tassels.

Moreton Bay Fig

Height Rarely exceeds 3 meters indoors, but can reach 60+ meters outdoors.
Spread Can spread very wide outdoors, but is limited by container size indoors.
Growth Rate Fast
Growth Pattern Outdoors, it grows into a massive, spreading tree with a wide canopy and prominent buttress roots. Indoors, growth is significantly stunted, but it will still develop a tree-like form.

🌱 Propagation — Comparing Plant Growth

Amaranth

Methods: Seed

Difficulty: Easy

Tips: Sow seeds directly into the soil in spring after the last frost. Keep the soil moist until germination. Seeds can also be started indoors 6-8 weeks before the last frost.

Moreton Bay Fig

Methods: Stem cuttings, Air layering, Seed

Difficulty: Moderate

Tips: Take stem cuttings in spring or summer. Use rooting hormone and provide warmth and humidity. Air layering is also effective.

✨ Benefits & Features — Comparing Plant Value

Amaranth

Amaranth is unique for its combination of edible leaves and seeds, along with its vibrant foliage colors. It is a versatile plant that can be used in both culinary and ornamental applications. Its drought tolerance, once established, makes it a relatively easy plant to maintain in the right conditions.

  • ✓ Provides highly nutritious edible leaves and seeds.
  • ✓ Attracts pollinators to your garden.
  • ✓ Adds vibrant color and visual interest to your outdoor space.
  • ✓ Relatively easy to grow from seed.
  • ✓ Can be used in cut flower arrangements.
  • ⚠️ Toxic to pets

Moreton Bay Fig

The Moreton Bay Fig is known for its massive size, buttress roots, and wide-spreading canopy. Its aerial roots can also develop into additional trunks, creating a unique and impressive structure. The tree's size and root system make it a dominant feature in any landscape.

  • ✓ Provides significant shade in outdoor spaces.
  • ✓ Adds a dramatic and unique aesthetic to the landscape.
  • ✓ Can increase property value.
  • ✓ Offers a habitat for birds and other wildlife.
  • ✓ Provides a sense of grandeur and maturity to the garden.
  • ⚠️ Toxic to pets

📅 Maintenance Schedule — Plant Care Comparison

Amaranth

Repotting Not applicable as it's an annual and not typically grown indoors long-term.
Pruning Pinch back young plants to encourage bushier growth. Remove spent flowers to prolong blooming.
Fertilizing Balanced liquid fertilizer (10-10-10) diluted to half strength, every 4-6 weeks during the growing season.
Seasonal Care In spring, sow seeds after the last frost. Provide regular watering and fertilization during the growing season (summer). Reduce watering in the fall as the plant matures. Amaranth is an annual in most climates and will die back in winter.

Moreton Bay Fig

Repotting Every 2-3 years for young plants, less frequently as they mature. Choose a pot only slightly larger than the previous one.
Pruning Prune to maintain shape and remove dead or damaged branches. Best done in late winter or early spring.
Fertilizing Balanced liquid fertilizer (20-20-20) diluted to half strength, every 2-3 months during the growing season (spring/summer).
Seasonal Care Reduce watering in winter. Protect from frost in colder climates. Increase watering and fertilizing during the growing season (spring/summer).

🌞 Light Requirements

Amaranth

Full sun (at least 6-8 hours of direct sunlight daily)

Low light tolerant: ❌ No

Moreton Bay Fig

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

Low light tolerant: ❌ No

💧 Watering Needs

Amaranth

Water deeply when the top inch of soil feels dry. Avoid overwatering, as this can lead to root rot. Allow the soil to drain completely after watering. Signs of underwatering include wilting leaves, while overwatering can cause yellowing leaves and stem rot.

Moreton Bay Fig

Water deeply when the topsoil is dry. Allow the soil to dry out slightly between waterings. Overwatering can lead to root rot. Underwatering will cause leaf drop and stunted growth. Ensure good drainage.

🌡️ Temperature & Humidity

Amaranth

Temperature: 20-30°C

Humidity: 40-60%

Moreton Bay Fig

Temperature: 18-27°C

Humidity: 40-60%

🤔 Which Plant Is Right For You?

Amaranth

Amaranth

Amaranthus spp.
Care: Expert Time: 15-30 minutes weekly (weeding, watering, pest control) Beginner: No

Experienced gardeners who want to grow a nutritious and visually striking plant outdoors.

✅ Choose This Plant If...

  • You want a highly nutritious edible plant for your garden.
  • You desire a plant with vibrant and colorful foliage.
  • You want to attract pollinators to your outdoor space.
  • You are looking for a fast-growing annual plant.
  • You have a sunny outdoor garden space.

❌ Skip This Plant If...

  • You have pets that might ingest the plant, as it is toxic.
  • You lack a sunny outdoor space.
  • You are looking for a low-maintenance indoor plant.
📍 Ideal Location: Outdoor garden or sunny patio
🎨 Style: Bohemian, Cottagecore, Eclectic
🏠 Apartment Friendly: No
⚠️ According to the ASPCA, Amaranthus spp. contains soluble oxalates, which can be toxic to dogs, cats, and horses. Symptoms include gastrointestinal upset, drooling, vomiting, and diarrhea. In severe cases, kidney damage can occur.
Moreton Bay Fig

Moreton Bay Fig

Ficus macrophylla
Care: Expert Time: 30 minutes weekly (mostly watering and occasional pruning). Beginner: No

Experienced gardeners with outdoor space who appreciate large, statement trees.

✅ Choose This Plant If...

  • You have ample outdoor space and want a large shade tree.
  • You appreciate the dramatic appearance of buttress roots.
  • You are an experienced gardener willing to provide the necessary care.
  • You live in a warm climate where the tree can thrive.
  • You want a long-lived tree that will become a significant landscape feature.

❌ Skip This Plant If...

  • You have limited space, especially indoors.
  • You are a beginner gardener.
  • You have pets that might ingest the toxic plant parts.
📍 Ideal Location: Outdoors in a large, sunny area with well-draining soil.
🎨 Style: Tropical, Grand, Naturalistic
🏠 Apartment Friendly: No
⚠️ All parts of the plant are considered toxic to dogs, cats, and horses. Symptoms include oral irritation, excessive drooling, and vomiting. The sap contains irritating compounds.

🎯 Quick Verdict

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

⚡ Key Differences Between These Plants

🌿

Both plants have similar basic care requirements but differ in appearance and specific needs. Compare plants carefully to find the best fit for your space.

💡 Pro Tips For Comparing These Plants

Amaranth Care Tips

Amaranth is primarily an outdoor plant that requires full sun and well-draining soil. It is unlikely to thrive indoors due to insufficient light and space. Indoor attempts will require supplemental lighting and careful monitoring of watering and humidity. Toxicity to pets is a significant concern.

  • Start seeds indoors 6-8 weeks before the last frost for a head start.
  • Provide full sun for optimal growth and color development.
  • Water deeply but infrequently, allowing the soil to dry slightly between waterings.
  • Fertilize regularly during the growing season with a balanced fertilizer.
  • Monitor for pests and diseases and treat promptly.
❄️ Winter: Amaranth is an annual in most climates and will die back in winter. Remove dead plants from the garden to prevent disease.
☀️ Summer: Provide regular watering and fertilization during the summer growing season. Monitor for pests and diseases and treat promptly. Protect plants from extreme heat by providing some afternoon shade if necessary.

Moreton Bay Fig Care Tips

The Moreton Bay Fig is primarily an outdoor tree and is challenging to grow indoors. It requires very bright light, consistent watering, and careful monitoring for pests. Its large size makes it unsuitable for most indoor spaces. Indoor growth will be significantly stunted compared to its outdoor potential.

  • Provide ample sunlight, especially if attempting to grow indoors.
  • Ensure excellent drainage to prevent root rot.
  • Monitor regularly for pests and diseases.
  • Prune to maintain shape and remove deadwood.
  • Protect from frost in colder climates.
❄️ Winter: Reduce watering during the winter months. Protect from frost if grown in a container in colder climates. Provide as much light as possible.
☀️ Summer: Increase watering during the summer months, especially during hot and dry periods. Provide some shade during the hottest part of the day if the plant is young or newly planted.

⚠️ Common Problems & Solutions — Plant Care Comparison

Amaranth

Common Issues: Aphids, spider mites, fungal diseases (e.g., powdery mildew), root rot
Solutions: Treat aphids and spider mites with insecticidal soap or neem oil. Improve air circulation and use a fungicide for fungal diseases. Ensure proper drainage to prevent root rot.

Moreton Bay Fig

Common Issues: Leaf drop, Root rot, Scale insects, Spider mites
Solutions: Leaf drop: Ensure adequate light and avoid overwatering. Root rot: Improve drainage and reduce watering frequency. Scale insects: Treat with insecticidal soap or horticultural oil. Spider mites: Increase humidity and treat with miticide.

❓ Frequently Asked Questions — Comparing These Plants

Amaranth

What are the light requirements for Amaranth?

Amaranth demands ample sunlight to thrive and produce its characteristic vibrant blooms. Aim for at least 6-8 hours of direct sunlight daily. Inadequate light can result in leggy growth, faded colors, and reduced flowering. When grown indoors, place Amaranth near a south-facing window where it can receive maximum sunlight exposure. If natural light is insufficient, supplement with grow lights to ensure optimal growth. Rotate the plant regularly to ensure even light exposure on all sides. Be mindful of intense afternoon sun, which can scorch leaves, especially in hot climates. Consider using sheer curtains to filter the light during peak hours. Monitor the plant closely for signs of light stress, such as pale leaves or elongated stems, and adjust its position accordingly.

How do I care for Amaranth?

Amaranth thrives in full sun and well-draining soil. Water regularly, especially during hot weather, keeping the soil consistently moist but not waterlogged. Fertilize every 4-6 weeks during the growing season with a balanced fertilizer to promote healthy growth and vibrant blooms. Deadhead spent flowers to encourage further blooming. Amaranth is relatively low-maintenance, but monitoring for pests and diseases is essential. Provide support for taller varieties to prevent them from bending or breaking. Ensure good air circulation to minimize the risk of fungal issues. Prune as needed to maintain shape and remove any dead or damaged foliage. Consider mulching around the base of the plant to retain moisture and suppress weeds. Regularly inspect the plant for signs of nutrient deficiencies, such as yellowing leaves, and adjust fertilization accordingly.

How do I propagate Amaranth?

Amaranth is primarily propagated from seeds, which are readily available. Sow seeds directly into the garden after the last frost or start them indoors 6-8 weeks beforehand. For direct sowing, scatter seeds thinly over prepared soil and lightly cover with soil. Keep the soil consistently moist until germination, which typically occurs within 7-14 days. Thin seedlings to allow for adequate spacing. Amaranth can also be propagated via stem cuttings, although this method is less common. Take 4-6 inch cuttings from healthy stems, remove the lower leaves, and place them in water or directly into moist potting mix. Rooting should occur within a few weeks. Division is not a common propagation method for Amaranth. Keiki propagation is not applicable to Amaranth.

Moreton Bay Fig

What are the light requirements for Moreton Bay Fig?

Moreton Bay Figs require bright, indirect light to thrive indoors. Placing them near a large east- or west-facing window is ideal, providing ample light without direct sun exposure. A south-facing window can also work, but it’s important to filter the light with a sheer curtain to prevent leaf burn. Insufficient light can lead to leggy growth and leaf drop. Rotate the plant regularly to ensure all sides receive adequate light. If natural light is limited, consider supplementing with a grow light. The light should be consistent.

How do I care for Moreton Bay Fig?

The Moreton Bay Fig thrives in bright, indirect light; avoid direct sunlight which can scorch the leaves. Water thoroughly when the top inch of soil is dry, allowing excess water to drain away. Overwatering can lead to root rot, so ensure the pot has drainage holes. Maintain a consistent temperature between 65-75°F (18-24°C) and avoid sudden temperature fluctuations. These plants appreciate humidity; mist the leaves regularly or use a humidifier. Fertilize monthly during the growing season (spring and summer) with a balanced liquid fertilizer diluted to half strength. Prune occasionally to maintain shape and remove any dead or damaged branches. Repot every 2-3 years into a slightly larger pot with well-draining potting mix. Rotate the plant regularly to ensure even growth on all sides. Keep the pot clean.

How do I propagate Moreton Bay Fig?

Moreton Bay Figs 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 moist potting mix and cover with a plastic bag to maintain humidity. Keep in a warm, bright location until roots develop. For air layering, make a small cut on a stem, wrap it with moist sphagnum moss, and cover with plastic wrap. Once roots develop, cut the stem below the roots and plant in potting mix. Propagation is best done in the spring or summer. Always use clean tools. Patience is key.

Last updated: May 13, 2026 — Plant care data reviewed and verified by our editorial team.