Alocasia vs Princess Flower Plant Comparison

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

Alocasia

Alocasia

Alocasia spp.

VS
Princess Flower

Princess Flower

Tibouchina urvilleana

Alocasia

Alocasia

Alocasia spp.

Alocasia is a genus of broadleaf, rhizomatous or tuberous perennials prized for their striking foliage. These plants are not naturally indoor plants, but many cultivars are adapted for indoor growing. They exhibit a variety of leaf shapes, colors, and textures, often featuring prominent veins and glossy surfaces. Alocasias are grown for their dramatic, architectural presence and ability to add a tropical flair to indoor spaces. They range in size from compact varieties suitable for tabletops to larger specimens that can become focal points in a room. Due to their specific needs, they are not the easiest houseplants.

Araceae Tropical and subtropical Asia and Eastern Australia
✨ Features: Striking foliage, adds a tropical aesthetic.
📖 Read Complete Alocasia Guide
Princess Flower

Princess Flower

Tibouchina urvilleana

Tibouchina urvilleana, commonly known as Princess Flower, is a fast-growing evergreen shrub or small tree prized for its vibrant purple flowers. Native to Brazil, it typically grows outdoors in warm climates. It features velvety, dark green leaves and produces profuse blooms throughout the warmer months. While it can be grown in containers, it requires significant sunlight and humidity to thrive, making it challenging to maintain indoors long-term. People grow it for its showy flowers and tropical appearance.

Melastomataceae Brazil
✨ Features: Prolific blooms, attractive foliage
📖 Read Complete Princess Flower Guide

Quick Plant Comparison

Feature Alocasia Princess Flower
Light Bright, indirect light. Avoid direct sunlight, which can scorch the leaves. Full sun to partial shade. Requires at least 6 hours of direct sunlight daily for optimal flowering.
Watering Every 5-7 days, depending on environmental conditions Every 3-7 days, depending on environmental conditions and pot size.
Humidity 60-80% 50-70%
Temperature 18-27°C 18-27°C
Care Level Moderate to Expert Expert
Growth Rate Moderate To Fast, Depending On The Species And Growing Conditions. Some Varieties Spread Via Rhizomes. Fast
Max Height 0.3-1.2 meters (1-4 feet) indoors, depending on the species. 1-2 meters (indoors, rarely reaches outdoor size)
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining potting mix, such as a blend of peat moss, perlite, and orchid bark. Well-draining, slightly acidic soil mix. A mix of potting soil, peat moss, and perlite is suitable.
Beginner Friendly With Caution ❌ No
Weekly Maintenance 10-15 minutes weekly 30 minutes weekly

🔬 Botanical Information — Comparing These Plants

Alocasia

Scientific Name Alocasia spp.
Family Araceae
Native To Tropical and subtropical Asia and Eastern Australia
Also Known As Elephant Ear, African Mask Plant, Kris Plant, Taro
Leaves Leaves vary greatly depending on the species, but are generally large, arrow-shaped, or shield-shaped. They can be green, purple, bronze, or variegated, with prominent veins that are often contrasting in color. The texture can be glossy, velvety, or waxy. Leaf size ranges from a few inches to several feet in length.
Flowers Alocasias can flower indoors, but it is rare. The flowers are typical of the Araceae family, with a spadix and spathe. The flowers are not particularly showy and are often overshadowed by the foliage.

Princess Flower

Scientific Name Tibouchina urvilleana
Family Melastomataceae
Native To Brazil
Also Known As Princess Flower, Glory Bush, Lasiandra
Leaves Oppositely arranged, ovate to lance-shaped leaves with a velvety texture. The leaves are typically dark green and can grow up to 15 cm long.
Flowers Produces profuse, showy purple flowers with prominent stamens. Flowers are typically 7-10 cm in diameter. Flowering is less likely indoors due to insufficient light.

📏 Size & Growth — Plant Comparison

Alocasia

Height 0.3-1.2 meters (1-4 feet) indoors, depending on the species.
Spread 0.3-0.9 meters (1-3 feet), some spread via rhizomes
Growth Rate Moderate To Fast, Depending On The Species And Growing Conditions. Some Varieties Spread Via Rhizomes.
Growth Pattern Alocasias grow upright from a central rhizome or tuber. They produce new leaves from the center of the plant, with older leaves eventually dying off. Some varieties spread via rhizomes, forming clumps.

Princess Flower

Height 1-2 meters (indoors, rarely reaches outdoor size)
Spread 1-1.5 meters (indoors)
Growth Rate Fast
Growth Pattern Bushy shrub or small tree with an upright growth habit. It can be pruned to maintain a desired shape and size.

🌱 Propagation — Comparing Plant Growth

Alocasia

Methods: Division of rhizomes or tubers, offsets.

Difficulty: Moderate

Tips: Carefully separate rhizomes or tubers during repotting. Ensure each division has roots and leaves. Plant in well-draining soil and keep consistently moist until established.

Princess Flower

Methods: Stem cuttings, Seed

Difficulty: Moderate

Tips: Take stem cuttings in spring or summer. Dip the cut end in rooting hormone and plant in moist potting mix. Keep the cuttings in a warm, humid environment until roots develop.

✨ Benefits & Features — Comparing Plant Value

Alocasia

Alocasias are known for their striking foliage with prominent veins and unique leaf shapes. Many varieties have a velvety texture. They are not as easy to care for as some other common houseplants, requiring more specific environmental conditions.

  • ✓ Adds a dramatic, tropical aesthetic to your home.
  • ✓ Can improve indoor air quality by increasing humidity.
  • ✓ Provides a sense of connection to nature.
  • ✓ Offers a rewarding challenge for experienced plant owners.
  • ✓ Creates a visually stimulating focal point in a room.
  • ⚠️ Toxic to pets

Princess Flower

The velvety texture of the leaves and the vibrant purple color of the flowers make this plant stand out. It's also a fast grower, quickly filling in garden spaces.

  • ✓ Provides vibrant color to gardens and patios.
  • ✓ Attracts pollinators like bees and butterflies.
  • ✓ Can be pruned into a desired shape.
  • ✓ Offers a tropical aesthetic.
  • ✓ Can be grown in containers on patios or balconies.
  • ⚠️ Toxic to pets

📅 Maintenance Schedule — Plant Care Comparison

Alocasia

Repotting Every 1-2 years, or when the plant becomes root-bound. Repot more frequently if the plant is a fast grower or spreads aggressively via rhizomes.
Pruning Remove yellow or damaged leaves to maintain appearance and prevent disease.
Fertilizing Balanced liquid fertilizer (20-20-20) diluted to half strength, every 2-4 weeks during the growing season (spring and summer).
Seasonal Care During the growing season (spring and summer), increase watering and fertilizing. In fall and winter, reduce watering and withhold fertilizer. Some species may go dormant during winter.

Princess Flower

Repotting Repot every 1-2 years in spring, or when the plant becomes root-bound.
Pruning Prune after flowering to maintain shape and encourage bushier growth. Remove any dead or diseased branches.
Fertilizing Balanced liquid fertilizer (20-20-20) diluted to half strength every 2-4 weeks during the growing season (spring and summer).
Seasonal Care In winter, reduce watering and fertilization. Protect from frost if grown outdoors. In summer, provide ample water and fertilizer to support flowering.

🌞 Light Requirements

Alocasia

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

Low light tolerant: ❌ No

Princess Flower

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

Low light tolerant: ❌ No

💧 Watering Needs

Alocasia

Water thoroughly when the top inch of soil feels dry. Allow excess water to drain away. Overwatering can lead to root rot, indicated by yellowing leaves and a mushy stem. Underwatering results in drooping leaves and crispy edges.

Princess Flower

Water thoroughly when the top inch of soil feels dry. Avoid overwatering, which can lead to root rot. Allow excess water to drain away. Signs of underwatering include wilting leaves; signs of overwatering include yellowing leaves and soggy soil.

🌡️ Temperature & Humidity

Alocasia

Temperature: 18-27°C

Humidity: 60-80%

Princess Flower

Temperature: 18-27°C

Humidity: 50-70%

🤔 Which Plant Is Right For You?

Alocasia

Alocasia

Alocasia spp.
Care: Moderate to Expert Time: 10-15 minutes weekly Beginner: With-caution

Experienced plant enthusiasts who can provide the specific environmental conditions Alocasias require.

✅ Choose This Plant If...

  • You love dramatic foliage and want a statement plant.
  • You can provide high humidity and bright, indirect light.
  • You are experienced with caring for tropical plants.
  • You enjoy a challenge and are willing to monitor the plant closely.
  • You want to add a tropical vibe to your indoor space.

❌ Skip This Plant If...

  • You are a beginner plant owner.
  • You have pets that might ingest the plant.
  • You cannot provide high humidity levels.
📍 Ideal Location: Bright bathroom, greenhouse, or a room with a humidifier.
🎨 Style: Tropical, Bohemian, Modern
🏠 Apartment Friendly: Limited
⚠️ All parts of the Alocasia plant contain calcium oxalate crystals, which are toxic to dogs, cats, and horses. Symptoms include oral irritation, excessive drooling, vomiting, and difficulty swallowing. Contact with skin can also cause irritation.
Princess Flower

Princess Flower

Tibouchina urvilleana
Care: Expert Time: 30 minutes weekly Beginner: No

Experienced gardeners in warm climates who want a showy flowering shrub for their garden.

✅ Choose This Plant If...

  • You live in a warm climate with plenty of sunshine.
  • You want a plant with vibrant purple flowers.
  • You have experience caring for demanding plants.
  • You have a greenhouse or sunroom to provide adequate light and humidity.
  • You are willing to provide regular pruning and fertilization.

❌ Skip This Plant If...

  • You live in a cold climate with limited sunlight.
  • You are a beginner gardener.
  • You have pets that may ingest the plant.
  • You don't have time for regular pruning and fertilization.
  • You don't have a bright, sunny location.
📍 Ideal Location: Bright, sunny windowsill or sunroom (if indoors). Outdoor patio or garden in warm climates.
🎨 Style: Tropical, Bohemian, Traditional
🏠 Apartment Friendly: Limited
⚠️ According to the ASPCA, Tibouchina species are toxic to dogs, cats, and horses. Symptoms 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 Check space

⚡ Key Differences Between These Plants

🎯

Alocasia is rated Moderate to Expert care level, while Princess Flower is Expert.

💡 Pro Tips For Comparing These Plants

Alocasia Care Tips

Alocasias require bright, indirect light, high humidity, and well-draining soil. They are sensitive to overwatering and cold drafts. Maintaining consistent moisture and humidity levels is crucial for their health. Indoor cultivation can be challenging, especially in drier climates.

  • Use distilled or filtered water to avoid mineral buildup on leaves.
  • Wipe leaves regularly with a damp cloth to remove dust and pests.
  • Provide adequate ventilation to prevent fungal diseases.
  • Monitor for pests regularly and treat promptly.
  • Use a well-draining pot with drainage holes to prevent root rot.
❄️ Winter: Reduce watering frequency. Provide supplemental light if needed. Maintain humidity levels. Avoid placing near cold drafts. Do not fertilize.
☀️ Summer: Increase watering frequency. Fertilize regularly. Provide bright, indirect light. Monitor for pests. Increase humidity if needed.

Princess Flower Care Tips

Princess Flower is primarily an outdoor plant that requires full sun and high humidity. Indoor cultivation is challenging due to the difficulty of providing adequate light and humidity. It needs regular watering and fertilization. Expect reduced flowering and potential pest issues indoors.

  • Provide at least 6 hours of direct sunlight daily.
  • Water thoroughly when the top inch of soil is dry.
  • Fertilize regularly during the growing season.
  • Prune after flowering to maintain shape.
  • Monitor for pests and diseases regularly.
❄️ Winter: Reduce watering frequency. Protect from frost if grown outdoors. Avoid fertilizing during the dormant season.
☀️ Summer: Provide ample water and fertilizer to support flowering. Protect from intense afternoon sun in extremely hot climates to prevent leaf scorch.

⚠️ Common Problems & Solutions — Plant Care Comparison

Alocasia

Common Issues: Root rot, spider mites, leaf burn, dormancy.
Solutions: Root rot: Improve drainage and reduce watering frequency. Spider mites: Treat with insecticidal soap or neem oil. Leaf burn: Move to a location with less direct light. Dormancy: Reduce watering and allow the plant to rest in a cool, dark place.

Princess Flower

Common Issues: Spider mites, Aphids, Root rot, Leaf spot
Solutions: Spider mites/Aphids: Treat with insecticidal soap or neem oil. Root rot: Improve drainage and reduce watering frequency. Leaf spot: Remove affected leaves and apply a fungicide.

❓ Frequently Asked Questions — Comparing These Plants

Alocasia

What are the light requirements for Alocasia?

Alocasia thrives in bright, indirect light. Avoid direct sunlight, especially during the hottest parts of the day, as it can scorch the leaves. An east-facing window is often ideal, providing gentle morning light. A north-facing window can also work, but the plant may need supplemental grow lights, especially during winter months. If placing your Alocasia near a south- or west-facing window, use sheer curtains to filter the light. Insufficient light can lead to leggy growth and pale leaves. Rotate the plant regularly to ensure even light exposure on all sides.

How do I care for Alocasia?

Alocasia plants require 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 high humidity levels, ideally above 60%, through misting, using a humidifier, or placing the plant on a pebble tray filled with water. Fertilize regularly during the growing season (spring and summer) with a balanced liquid fertilizer diluted to half strength. Repot every 1-2 years as needed, using a well-draining potting mix. Monitor for pests such as spider mites and mealybugs, and treat promptly with insecticidal soap or neem oil. Alocasia are sensitive to cold drafts and sudden temperature changes.

How do I propagate Alocasia?

Alocasia can be propagated through several methods. Division involves separating the rhizomes during repotting. Carefully divide the root ball, ensuring each section has healthy roots and leaves. Pot each division in its own container. Stem cuttings are less common but can be attempted with rhizome sections that include a node. Air layering involves encouraging root growth on a stem while it’s still attached to the parent plant. Wrap a section of the stem with moist sphagnum moss and cover it with plastic wrap. Once roots develop, cut the stem below the roots and pot the new plant. Propagation is best done during the growing season.

Princess Flower

What are the light requirements for Princess Flower?

Princess Flower thrives in bright, indirect sunlight. Ideally, it needs at least 6 hours of sunlight per day to produce abundant blooms. A location near an east- or west-facing window is often suitable indoors. Avoid direct afternoon sun, which can scorch the leaves. If grown outdoors, provide partial shade during the hottest part of the day. Insufficient light can result in fewer blooms and leggy growth. Rotate the plant regularly to ensure even light exposure on all sides. During the winter months, when sunlight is less intense, consider supplementing with artificial grow lights.

How do I care for Princess Flower?

Princess Flower requires well-draining, acidic soil with a pH of 5.5 to 6.5. Water thoroughly when the top inch of soil feels dry, allowing excess water to drain. Fertilize every 2-4 weeks during the growing season (spring to fall) with a balanced fertilizer formulated for flowering plants. Prune regularly to maintain shape and encourage bushier growth and more blooms. Provide bright, indirect sunlight for at least 6 hours a day. Maintain a moderate humidity level, especially indoors. Protect from frost and freezing temperatures. Repot every 1-2 years as needed, using a slightly larger pot. Monitor for pests like aphids and spider mites, and treat promptly if detected. Ensure good air circulation to prevent fungal diseases.

How do I propagate Princess Flower?

Princess Flower can be propagated using stem cuttings. Take 4-6 inch cuttings from new growth in spring or summer. Remove the lower leaves and dip the cut end in rooting hormone. Plant the cuttings in a well-draining potting mix. Keep the soil moist and provide bright, indirect light. Rooting typically occurs within 4-8 weeks. Division can be done when repotting mature plants, carefully separating the root ball. Keikis are not common on Princess Flower.

Last updated: May 4, 2026 — Plant care data reviewed and verified by our editorial team.