Amaranth vs Mum 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
Mum

Mum

Chrysanthemum × morifolium

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
Mum

Mum

Chrysanthemum × morifolium

Chrysanthemum × morifolium, commonly known as mums, are popular flowering plants cultivated for their vibrant and diverse flower colors and forms. They are herbaceous perennials, typically grown as annuals in many climates due to their sensitivity to frost. Mums are characterized by their bushy growth habit and composite flower heads, which come in various shapes like daisy-like, pompon, and spider. While primarily outdoor plants, they are often brought indoors for short periods to enjoy their blooms, but they require specific conditions to thrive indoors long-term. People grow them for ornamental purposes, adding color to gardens and homes, and for cut flowers.

Asteraceae China
✨ Features: Wide variety of flower colors and forms.
📖 Read Complete Mum Guide

Quick Plant Comparison

Feature Amaranth Mum
Light Full sun (at least 6-8 hours of direct sunlight daily) Full sun (at least 6 hours of direct sunlight daily)
Watering Every 3-7 days, depending on weather and soil drainage Every 2-3 days outdoors in warm weather; every 5-7 days indoors, depending on light and temperature.
Humidity 40-60% 40-60%
Temperature 20-30°C 15-24°C
Care Level Expert Expert
Growth Rate Fast Moderate
Max Height 0.3-2.5m (outdoors); significantly smaller if grown indoors (unlikely to thrive) 0.3-1 meter (indoors often smaller)
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining soil, such as a mix of potting soil, perlite, and compost. Well-draining potting mix rich in organic matter.
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 15-30 minutes weekly (weeding, watering, pest control) 15-30 minutes weekly

🔬 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.

Mum

Scientific Name Chrysanthemum × morifolium
Family Asteraceae
Native To China
Also Known As Florist's Chrysanthemum, Garden Mum
Leaves Leaves are typically lobed or toothed, medium green in color, and have a slightly hairy texture. Leaf size varies depending on the cultivar.
Flowers Mums flower readily outdoors in the fall. Indoor flowering is possible with sufficient light and cool temperatures. Flowers come in a wide range of colors (white, yellow, orange, red, purple, pink) and forms (daisy-like, pompon, spider, etc.).

📏 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.

Mum

Height 0.3-1 meter (indoors often smaller)
Spread 0.3-1 meter
Growth Rate Moderate
Growth Pattern Bushy, upright growth habit. Can be compact or more spreading depending on the variety and pruning.

🌱 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.

Mum

Methods: Stem cuttings, Division, Seed

Difficulty: Moderate

Tips: Take stem cuttings in spring or early summer. Use rooting hormone and keep the cuttings in a humid environment. Division is best done in spring or fall.

✨ 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

Mum

Chrysanthemums are known for their diverse flower shapes and colors, blooming in the fall when many other plants are fading. They are photoperiodic, meaning their flowering is triggered by shorter day lengths.

  • ✓ Adds vibrant color to gardens and homes
  • ✓ Provides cut flowers for arrangements
  • ✓ Can improve mood with its bright blooms
  • ✓ Attracts pollinators to the garden
  • ✓ Offers a sense of accomplishment for successful cultivation
  • ⚠️ 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.

Mum

Repotting Repot only if necessary, typically every 1-2 years, in spring. Choose a pot slightly larger than the current one.
Pruning Pinch back stems regularly in spring and early summer to encourage bushier growth and more blooms. Deadhead spent flowers to promote continued blooming.
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 spring and summer, provide regular watering and fertilization. In fall, enjoy the blooms. In winter, if overwintering outdoors, mulch heavily to protect the roots. Indoors, reduce watering in winter.

🌞 Light Requirements

Amaranth

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

Low light tolerant: ❌ No

Mum

Full sun (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.

Mum

Water thoroughly when the top inch of soil feels dry. Avoid overwatering, which can lead to root rot. Ensure good drainage. Indoors, check soil moisture regularly as potted plants dry out faster. Signs of underwatering include wilting leaves; overwatering shows as yellowing leaves and soggy soil.

🌡️ Temperature & Humidity

Amaranth

Temperature: 20-30°C

Humidity: 40-60%

Mum

Temperature: 15-24°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.
Mum

Mum

Chrysanthemum × morifolium
Care: Expert Time: 15-30 minutes weekly Beginner: No

Gardeners looking to add vibrant fall color to their outdoor spaces, or those willing to provide very specific conditions for short-term indoor enjoyment.

✅ Choose This Plant If...

  • You want vibrant fall colors in your garden.
  • You are looking for a plant with diverse flower forms and colors.
  • You are willing to provide the specific light and temperature conditions required for indoor blooming.
  • You enjoy the challenge of caring for a plant that requires attentive maintenance.
  • You want a plant that can be used for cut flowers.

❌ Skip This Plant If...

  • You have pets that might ingest the plant.
  • You cannot provide at least 6 hours of direct sunlight daily.
  • You are looking for a low-maintenance indoor plant.
📍 Ideal Location: Outdoors in a sunny garden bed or container; indoors near a south-facing window.
🎨 Style: Traditional, Cottage, Country
🏠 Apartment Friendly: Limited
⚠️ Toxic to dogs, cats, and horses. Contains sesquiterpene lactones, pyrethrins, and other potential irritants. Symptoms include vomiting, diarrhea, salivation, incoordination, and dermatitis. All parts of the plant are 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

☀️

Amaranth needs full sun (at least 6-8 hours of direct sunlight daily), while Mum prefers full sun (at least 6 hours of direct sunlight daily).

📈

Amaranth has fast growth, while Mum grows moderate.

💡 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.

Mum Care Tips

Mums are primarily outdoor plants and require significant sunlight to thrive. Indoor care is challenging due to the need for bright light and cool temperatures. They are often treated as annuals indoors. Maintaining proper watering and humidity is crucial to prevent problems.

  • Pinch back stems regularly until mid-summer to encourage bushier growth.
  • Provide excellent drainage to prevent root rot.
  • 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: Reduce watering in winter. If overwintering outdoors, mulch heavily. If overwintering indoors, keep in a cool, bright location.
☀️ Summer: Provide regular watering and fertilization. Protect from intense afternoon sun in hot climates. Pinch back stems regularly until mid-summer.

⚠️ 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.

Mum

Common Issues: Aphids, spider mites, powdery mildew, root rot
Solutions: Aphids and spider mites: Insecticidal soap or neem oil. Powdery mildew: Improve air circulation and use a fungicide. Root rot: Ensure well-draining soil and avoid overwatering.

❓ 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.

Mum

What are the light requirements for Mum?

Mums thrive in bright, indirect light. They need at least 6 hours of sunlight per day to produce abundant blooms. An east- or west-facing window is ideal, providing ample light without the harshness of direct sunlight. Insufficient light can lead to leggy growth and reduced flowering.

How do I care for Mum?

To care for your Mum, provide bright, indirect light, ideally near an east- or west-facing window. Water thoroughly when the top inch of soil feels dry to the touch, ensuring good drainage to prevent root rot. Fertilize every two weeks during the growing season (spring and summer) with a balanced liquid fertilizer, reducing frequency in the fall.

How do I propagate Mum?

Mums can be propagated through division, stem cuttings, or occasionally from keiki.

Last updated: May 5, 2026 — Plant care data reviewed and verified by our editorial team.