Amazon Lily vs Tithonia Plant Comparison

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

Amazon Lily

Amazon Lily

Eucharis amazonica

VS
Tithonia

Tithonia

Tithonia rotundifolia

Amazon Lily

Amazon Lily

Eucharis amazonica

The Amazon Lily is a bulbous perennial prized for its fragrant, pure white flowers resembling daffodils. It features broad, glossy, dark green leaves that provide an attractive backdrop to the blooms. Typically grown as a houseplant, it thrives in warm, humid conditions. While it can be grown outdoors in frost-free climates, it is most commonly cultivated indoors for its ornamental value and the delightful fragrance of its flowers. It's not a true lily, but its flower shape gives it the common name.

Amaryllidaceae Colombia, Peru, and western Amazon basin
✨ Features: Fragrant flowers
📖 Read Complete Amazon Lily Guide
Tithonia

Tithonia

Tithonia rotundifolia

Tithonia rotundifolia, commonly known as the Mexican Sunflower, is a fast-growing annual shrub that typically reaches heights of 4-6 feet. It features vibrant, daisy-like flowers, usually in shades of orange or red, with a prominent yellow center. Primarily an outdoor plant, it thrives in full sun and well-drained soil. People grow it for its showy blooms that attract pollinators like butterflies and bees, making it a popular choice for gardens and wildflower meadows. Its robust growth and heat tolerance make it well-suited for warm climates.

Asteraceae Mexico and Central America
✨ Features: Attracts butterflies and bees; heat tolerant; vibrant flower color
📖 Read Complete Tithonia Guide

Quick Plant Comparison

Feature Amazon Lily Tithonia
Light Bright, indirect light. Avoid direct sunlight, which can scorch the leaves. Full sun (at least 6-8 hours of direct sunlight daily)
Watering Every 1-2 weeks, depending on environmental conditions Every 2-5 days, depending on weather and soil drainage
Humidity 60-80% 30-50%
Temperature 18-24°C 20-30°C
Care Level Moderate Expert
Growth Rate Moderate Fast
Max Height 45-60 cm N/A (Outdoor plant, rarely grown indoors)
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining potting mix with added perlite or orchid bark Well-drained soil; sandy or loamy soil is preferred
Beginner Friendly With Caution ❌ No
Weekly Maintenance 15 minutes weekly 15 minutes weekly

🔬 Botanical Information — Comparing These Plants

Amazon Lily

Scientific Name Eucharis amazonica
Family Amaryllidaceae
Native To Colombia, Peru, and western Amazon basin
Also Known As Amazon Lily, Eucharis Lily
Leaves The leaves are broad, ovate to elliptic in shape, and typically 30-60 cm long and 10-20 cm wide. They are a glossy, dark green color with prominent veins, creating a lush and tropical appearance.
Flowers Yes, it can flower indoors under the right conditions. The flowers are pure white, daffodil-like in shape, and highly fragrant. They are borne in clusters of 3-6 flowers on a single stalk.

Tithonia

Scientific Name Tithonia rotundifolia
Family Asteraceae
Native To Mexico and Central America
Also Known As Mexican Sunflower, Red Sunflower, Torch Tithonia
Leaves The leaves of Tithonia rotundifolia are ovate to lance-shaped, typically 3-6 inches long. They are a medium green color and have a slightly rough texture. The leaves are arranged alternately along the stems.
Flowers Tithonia rotundifolia produces vibrant, daisy-like flowers that are typically orange or red, with a prominent yellow center. The flowers are 2-4 inches in diameter and bloom profusely from summer to fall. It does not flower indoors.

📏 Size & Growth — Plant Comparison

Amazon Lily

Height 45-60 cm
Spread 30-45 cm
Growth Rate Moderate
Growth Pattern The Amazon Lily grows from a bulb, producing upright, broad leaves and flower stalks that emerge from the center of the plant. It has a clumping growth habit, gradually forming a dense cluster of leaves and bulbs.

Tithonia

Height N/A (Outdoor plant, rarely grown indoors)
Spread N/A (Outdoor plant, rarely grown indoors)
Growth Rate Fast
Growth Pattern Tithonia rotundifolia grows as an upright, bushy shrub, reaching heights of 4-6 feet. It has a rapid growth rate and can spread to a similar width, creating a substantial presence in the garden.

🌱 Propagation — Comparing Plant Growth

Amazon Lily

Methods: Division, Seed

Difficulty: Moderate

Tips: Divide bulbs when repotting. Sow seeds in a warm, humid environment.

Tithonia

Methods: Seed, Stem cuttings

Difficulty: Easy

Tips: For seeds, sow directly into the ground in spring after the last frost. For stem cuttings, take cuttings in late spring or early summer and root them in well-draining soil.

✨ Benefits & Features — Comparing Plant Value

Amazon Lily

The Amazon Lily is known for its pure white, daffodil-like flowers and its strong, sweet fragrance. Unlike true lilies, it is a bulbous plant with broad, glossy leaves, making it a visually appealing houseplant even when not in bloom.

  • ✓ Adds a touch of elegance to any room.
  • ✓ The fragrant flowers can improve mood and reduce stress.
  • ✓ The glossy green foliage provides a lush, tropical feel.
  • ✓ Can be propagated to create more plants.
  • ✓ Provides a sense of accomplishment when it blooms.
  • ⚠️ Toxic to pets

Tithonia

Tithonia rotundifolia is known for its vibrant, daisy-like flowers that attract a wide variety of pollinators. Its heat tolerance and fast growth rate make it a popular choice for gardeners in warm climates. It is also relatively low-maintenance once established.

  • ✓ Attracts pollinators, enhancing garden biodiversity.
  • ✓ Provides vibrant color and visual interest to outdoor spaces.
  • ✓ Tolerates hot and dry conditions, reducing water needs.
  • ✓ Can be used in cut flower arrangements, bringing beauty indoors.
  • ✓ Supports local ecosystems by providing food and habitat for beneficial insects.
  • ⚠️ Toxic to pets

📅 Maintenance Schedule — Plant Care Comparison

Amazon Lily

Repotting Every 2-3 years, or when the plant becomes root-bound
Pruning Remove 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 the fall and winter to allow the plant to rest. Increase watering and fertilization in the spring and summer to promote growth and flowering.

Tithonia

Repotting N/A (Outdoor annual)
Pruning Deadhead spent flowers to encourage continued blooming. Prune back leggy growth to maintain shape.
Fertilizing Balanced fertilizer (10-10-10) every 4-6 weeks during the growing season, diluted to half strength
Seasonal Care In spring, sow seeds or transplant seedlings. During summer, water regularly and fertilize every 4-6 weeks. In fall, allow seeds to mature for collection or leave the plants standing for winter interest. In winter, the plant will die back as it is an annual.

🌞 Light Requirements

Amazon Lily

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

Low light tolerant: ❌ No

Tithonia

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

Low light tolerant: ❌ No

💧 Watering Needs

Amazon Lily

Water thoroughly when the top inch of soil feels dry. Allow excess water to drain away. Avoid overwatering, which can lead to bulb rot. Reduce watering during the dormant period. Signs of overwatering include yellowing leaves and a soft, mushy bulb. Underwatering is indicated by drooping leaves and dry, crispy edges.

Tithonia

Water deeply when the top inch of soil feels dry. Avoid overwatering, which can lead to root rot. In hot weather, more frequent watering may be necessary. Signs of underwatering include wilting leaves, while overwatering can cause yellowing and drooping.

🌡️ Temperature & Humidity

Amazon Lily

Temperature: 18-24°C

Humidity: 60-80%

Tithonia

Temperature: 20-30°C

Humidity: 30-50%

🤔 Which Plant Is Right For You?

Amazon Lily

Amazon Lily

Eucharis amazonica
Care: Moderate Time: 15 minutes weekly Beginner: With-caution

Plant enthusiasts who enjoy fragrant flowers and can provide the necessary humidity and care.

✅ Choose This Plant If...

  • You love fragrant flowers that fill a room with a sweet scent.
  • You can provide a humid environment, which is essential for healthy growth.
  • You are looking for a plant with beautiful, glossy green foliage even when not in bloom.
  • You are willing to provide a dormant period to encourage flowering.
  • You want a plant that can be propagated to expand your collection.

❌ Skip This Plant If...

  • You have pets that might ingest the plant, as it is toxic.
  • You struggle to maintain high humidity levels in your home.
  • You tend to overwater plants, as this can lead to bulb rot.
📍 Ideal Location: Bathroom, kitchen, or greenhouse where humidity is naturally higher
🎨 Style: Tropical, Traditional, Elegant
🏠 Apartment Friendly: Yes
⚠️ Contains lycorine and other alkaloids. Toxic to dogs, cats, and horses. Symptoms include vomiting, diarrhea, abdominal pain, loss of appetite, tremors, and cardiac arrhythmias. All parts of the plant are toxic, especially the bulb.
Tithonia

Tithonia

Tithonia rotundifolia
Care: Expert Time: 15 minutes weekly Beginner: No

Gardeners looking to attract pollinators to their outdoor space with vibrant, heat-tolerant flowers.

✅ Choose This Plant If...

  • You want to attract butterflies and bees to your garden.
  • You need a plant that can tolerate hot, sunny conditions.
  • You want a vibrant, fast-growing annual flower.
  • You are looking for a plant to use in cut flower arrangements.
  • You have a large outdoor space where it can thrive.

❌ Skip This Plant If...

  • You have limited sunlight available.
  • You need a low-maintenance indoor plant.
  • You have pets that might ingest the plant.
  • You have a small garden or limited space.
  • You prefer plants that are not annuals.
📍 Ideal Location: Outdoor garden, wildflower meadow, sunny border
🎨 Style: Bohemian, Cottage, Naturalistic
🏠 Apartment Friendly: No
⚠️ According to the ASPCA, Tithonia is toxic to dogs, cats, and horses. Symptoms of poisoning include vomiting and diarrhea. 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 Amazon Lily

⚡ Key Differences Between These Plants

🎯

Amazon Lily is rated Moderate care level, while Tithonia is Expert.

📈

Amazon Lily has moderate growth, while Tithonia grows fast.

💡 Pro Tips For Comparing These Plants

Amazon Lily Care Tips

Amazon Lilies require bright, indirect light, high humidity, and well-draining soil. Avoid overwatering and provide regular fertilization during the growing season. They need a dormant period with reduced watering to encourage flowering. Maintaining consistent humidity is crucial for healthy growth.

  • Provide bright, indirect light to encourage flowering.
  • Maintain high humidity by misting regularly or using a humidifier.
  • Allow the top inch of soil to dry out between waterings to prevent bulb rot.
  • Fertilize regularly during the growing season to promote healthy growth.
  • Provide a dormant period with reduced watering to encourage flowering.
❄️ Winter: Reduce watering significantly during the winter months, allowing the soil to dry out more between waterings. Maintain a temperature above 16°C and provide bright, indirect light. Avoid fertilizing during the dormant period.
☀️ Summer: Increase watering frequency during the summer months to keep the soil consistently moist but not waterlogged. Fertilize regularly with a balanced liquid fertilizer. Provide bright, indirect light and maintain high humidity.

Tithonia Care Tips

Tithonia rotundifolia is primarily an outdoor plant requiring full sun and well-drained soil. It is not well-suited for indoor growing due to its high light requirements and large size. Indoor cultivation is extremely challenging and unlikely to succeed. It is toxic to pets.

  • Provide full sun for optimal growth and flowering.
  • Water deeply but infrequently, allowing the soil to dry slightly between waterings.
  • Deadhead spent flowers regularly to encourage more blooms.
  • Fertilize every 4-6 weeks during the growing season with a balanced fertilizer.
  • Monitor for pests and diseases, and treat promptly with appropriate solutions.
❄️ Winter: As an annual, Tithonia rotundifolia will die back in the winter. Allow seeds to mature for collection or leave the plants standing for winter interest. No specific winter care is required.
☀️ Summer: During the summer, water regularly, especially during hot and dry periods. Fertilize every 4-6 weeks with a balanced fertilizer. Deadhead spent flowers to encourage continued blooming.

⚠️ Common Problems & Solutions — Plant Care Comparison

Amazon Lily

Common Issues: Bulb rot, spider mites, mealybugs, lack of flowering
Solutions: Bulb rot: Ensure well-draining soil and avoid overwatering. Remove affected bulbs. | Spider mites: Increase humidity and treat with insecticidal soap. | Mealybugs: Wipe off with a cotton swab dipped in rubbing alcohol or use insecticidal soap. | Lack of flowering: Provide a dormant period with reduced watering and cooler temperatures.

Tithonia

Common Issues: Powdery mildew, Aphids, Spider mites, Root rot (if overwatered)
Solutions: For powdery mildew, improve air circulation and apply a fungicide. For aphids and spider mites, use insecticidal soap or neem oil. Prevent root rot by ensuring well-draining soil and avoiding overwatering.

❓ Frequently Asked Questions — Comparing These Plants

Amazon Lily

What are the light requirements for Amazon Lily?

Amazon Lilies thrive in bright, indirect light. Avoid direct sunlight, especially during the hottest part of the day, as it can scorch the leaves. An east-facing window is ideal, providing gentle morning sun. A north-facing window can also work if supplemented with grow lights. If placing near a south or west-facing window, use sheer curtains to filter the light. Insufficient light can lead to leggy growth and reduced flowering. Rotate the plant regularly to ensure even light exposure on all sides. Observe the leaves: if they appear pale or yellowing, the plant may be receiving too much light; if they are dark green and growth is slow, it may need more light.

How do I care for Amazon Lily?

Amazon Lilies need bright, indirect light; direct sunlight can scorch their leaves. Water thoroughly when the top inch of soil feels dry, ensuring good drainage to prevent root rot. Maintain a humidity level of 60-70% through misting or a humidifier. Fertilize every 2-4 weeks during the growing season (spring and summer) with a balanced liquid fertilizer diluted to half strength. Reduce watering and fertilization in the fall and winter. Repot every 2-3 years in spring into a well-draining potting mix. Provide a stable temperature between 65-80°F (18-27°C). Avoid sudden temperature changes and drafts. Remove spent flowers to encourage further blooming. Clean the leaves regularly to remove dust and pests. Monitor for pests like spider mites or mealybugs and treat promptly.

How do I propagate Amazon Lily?

Amazon Lilies can be propagated by division, which is best done during repotting in the spring. Carefully separate the bulbs, ensuring each division has roots and leaves. Plant each division in its own pot with well-draining potting mix. Keep the soil consistently moist but not waterlogged. Provide bright, indirect light. Alternatively, you can look for “keiki” – small plantlets that form on the mother plant. Once they have developed some roots, gently remove them and pot them separately. Stem cuttings are not a viable method for Amazon Lily propagation.

Tithonia

What are the light requirements for Tithonia?

Tithonia plants thrive in full sun, needing at least 6 to 8 hours of direct sunlight each day. Insufficient light can lead to leggy growth, reduced blooming, and pale foliage. When growing Tithonia indoors, place it near a south-facing window where it can receive maximum sunlight. If natural light is inadequate, supplement with grow lights to ensure proper development and abundant flowering.

How do I care for Tithonia?

Tithonia requires full sun, at least 6-8 hours daily, for optimal blooming. Plant in well-draining soil, amending with compost for added nutrients. Water deeply but infrequently, allowing the soil to dry out slightly between waterings. Fertilize every 4-6 weeks during the growing season with a balanced fertilizer, or one higher in phosphorus to promote flowering.

How do I propagate Tithonia?

Tithonia can be propagated from seeds or stem cuttings. For stem cuttings, take 4-6 inch cuttings from healthy stems in the spring or early summer. Remove the lower leaves and dip the cut end in rooting hormone. Plant the cuttings in well-draining potting mix and keep them moist until roots develop.

Last updated: May 2, 2026 — Plant care data reviewed and verified by our editorial team.