Alocasia vs Nasturtium Tropaeolum 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
Nasturtium Tropaeolum

Nasturtium Tropaeolum

Tropaeolum majus

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
Nasturtium Tropaeolum

Nasturtium Tropaeolum

Tropaeolum majus

Tropaeolum majus, commonly known as nasturtium, is an annual flowering plant known for its vibrant, edible flowers and peppery-flavored leaves. It is a sprawling plant that can grow as a ground cover or climb with support. The plant features round, shield-shaped leaves and spurred flowers in shades of orange, yellow, and red. While primarily grown outdoors in gardens and containers for its ornamental value and culinary uses, it can be challenging to maintain indoors due to its high light requirements and sprawling growth habit. People grow it for its bright colors, edible parts, and ability to attract pollinators.

Tropaeolaceae Andes Mountains of South America (Peru, Bolivia)
✨ Features: Edible flowers and leaves, attracts pollinators, natural pest repellent.
📖 Read Complete Nasturtium Tropaeolum Guide

Quick Plant Comparison

Feature Alocasia Nasturtium Tropaeolum
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 2-3 days outdoors in warm weather, less frequently in cooler conditions. Indoor watering is difficult to predict, but likely every 5-7 days if attempted.
Humidity 60-80% 40-60%
Temperature 18-27°C 15-24°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. 0.3-1 meter (indoors, likely smaller and less vigorous)
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 soil; a mix of potting soil, perlite, and compost is suitable. Avoid overly rich soil, as it can promote foliage growth at the expense of flowers.
Beginner Friendly With Caution ❌ No
Weekly Maintenance 10-15 minutes weekly 10 minutes weekly outdoors, more if attempting indoor growth.

🔬 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.

Nasturtium Tropaeolum

Scientific Name Tropaeolum majus
Family Tropaeolaceae
Native To Andes Mountains of South America (Peru, Bolivia)
Also Known As Nasturtium, Garden Nasturtium, Indian Cress, Monk's Cress
Leaves The leaves of nasturtiums are round and shield-shaped, with a diameter of 5-10 cm. They are typically a vibrant green color and have a slightly waxy texture. The leaves are attached to the stem in the center, giving them a unique and distinctive appearance.
Flowers Nasturtiums readily flower outdoors in the right conditions. The flowers are spurred and come in shades of orange, yellow, and red. They have a delicate, peppery fragrance and are often used in salads and as garnishes. Flowering indoors is rare and requires intense supplemental lighting.

📏 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.

Nasturtium Tropaeolum

Height 0.3-1 meter (indoors, likely smaller and less vigorous)
Spread 0.3-1 meter (can spread wider outdoors)
Growth Rate Fast
Growth Pattern Nasturtiums have a sprawling growth habit, either trailing along the ground or climbing with support. They can reach up to 1 meter in height and spread, forming a dense mat of foliage and flowers.

🌱 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.

Nasturtium Tropaeolum

Methods: Seed

Difficulty: Easy

Tips: Soak seeds in water for a few hours before planting. Sow directly into the soil or start indoors 4-6 weeks before the last frost. Keep soil moist until germination.

✨ 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

Nasturtium Tropaeolum

Nasturtiums are unique for their edible flowers and leaves, which have a distinctive peppery flavor. They also act as a natural pest repellent, making them a valuable addition to vegetable gardens. Their vibrant colors and ease of growth make them a popular choice for gardeners.

  • ✓ Edible flowers and leaves provide a peppery flavor to dishes
  • ✓ Attracts pollinators to the garden, supporting local ecosystems
  • ✓ Acts as a natural pest repellent, reducing the need for chemical pesticides
  • ✓ Adds vibrant color and visual interest to outdoor spaces
  • ✓ Provides a fun and engaging gardening experience.
  • ⚠️ 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.

Nasturtium Tropaeolum

Repotting Not typically needed as they are annuals. If grown in containers, repotting may be necessary if the plant becomes root-bound, though this is unlikely to occur indoors.
Pruning Pinch back stems to encourage bushier growth and more flowers. Remove spent flowers to prolong blooming.
Fertilizing Low-nitrogen fertilizer, applied sparingly every 4-6 weeks during the growing season. High nitrogen fertilizers will promote leaf growth over flower production.
Seasonal Care In spring and summer, provide regular watering and fertilization. In fall, reduce watering and allow the plant to set seed. Nasturtiums are annuals and will die back in winter.

🌞 Light Requirements

Alocasia

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

Low light tolerant: ❌ No

Nasturtium Tropaeolum

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.

Nasturtium Tropaeolum

Water thoroughly when the top inch of soil feels dry. Avoid overwatering, which can lead to root rot. Yellowing leaves indicate overwatering; wilting leaves indicate underwatering.

🌡️ Temperature & Humidity

Alocasia

Temperature: 18-27°C

Humidity: 60-80%

Nasturtium Tropaeolum

Temperature: 15-24°C

Humidity: 40-60%

🤔 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.
Nasturtium Tropaeolum

Nasturtium Tropaeolum

Tropaeolum majus
Care: Expert Time: 10 minutes weekly outdoors, more if attempting indoor growth. Beginner: No

Gardeners looking for an edible and ornamental plant to add color and interest to their outdoor spaces.

✅ Choose This Plant If...

  • You want edible flowers and leaves for salads and garnishes
  • You need a plant to attract pollinators to your garden
  • You want a natural pest repellent for your vegetable garden
  • You enjoy vibrant colors in your outdoor space
  • You are an experienced gardener willing to experiment with growing a sun-loving plant indoors.

❌ Skip This Plant If...

  • You have pets that might ingest the plant
  • You lack a sunny location to provide adequate light
  • You prefer low-maintenance indoor plants.
📍 Ideal Location: Outdoors in a sunny garden bed or container. A very sunny windowsill is the only possible indoor location, but success is unlikely.
🎨 Style: Cottagecore, Bohemian, Eclectic
🏠 Apartment Friendly: Limited
⚠️ According to the ASPCA, nasturtiums contain mustard oil glycosides, which can cause mild gastrointestinal upset in dogs, cats, and horses. Symptoms include vomiting, diarrhea, and drooling. All parts of the plant are potentially 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 Nasturtium Tropaeolum 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.

Nasturtium Tropaeolum Care Tips

Nasturtiums are easy to grow outdoors in sunny locations with well-draining soil. Indoor cultivation is challenging due to high light requirements and the plant's sprawling growth habit. Providing adequate light and avoiding overwatering are crucial for indoor success, which is rarely achieved.

  • Provide at least 6 hours of direct sunlight daily for optimal flowering
  • Avoid overwatering to prevent root rot
  • Use a low-nitrogen fertilizer to encourage flower production
  • Pinch back stems to promote bushier growth
  • Collect seeds at the end of the season to replant next year.
❄️ Winter: Nasturtiums are annuals and do not survive winter. Collect seeds in the fall to replant in the spring.
☀️ Summer: Provide regular watering and fertilization during the summer growing season. Protect from intense afternoon sun in very 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.

Nasturtium Tropaeolum

Common Issues: Aphids, whiteflies, root rot, lack of flowering
Solutions: Treat aphids and whiteflies with insecticidal soap or neem oil. Prevent root rot by ensuring well-draining soil and avoiding overwatering. Encourage flowering by providing full sun and using a low-nitrogen fertilizer.

❓ 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.

Nasturtium Tropaeolum

What are the light requirements for Nasturtium Tropaeolum?

Nasturtium Tropaeolum thrives in full sun, which translates to at least 6 hours of direct sunlight per day. In hotter climates, provide some afternoon shade to prevent scorching of the leaves and flowers. Insufficient light can lead to leggy growth and reduced blooming.

How do I care for Nasturtium Tropaeolum?

Nasturtium Tropaeolum thrives in well-draining soil and prefers full sun to partial shade. Water regularly, allowing the soil to dry slightly between waterings. Avoid overwatering, which can lead to root rot. Fertilize sparingly, as excessive fertilization can promote leaf growth at the expense of flowers.

How do I propagate Nasturtium Tropaeolum?

Nasturtium Tropaeolum is most commonly propagated by seed. Sow seeds directly into the garden in spring after the last frost or start them indoors 4-6 weeks prior. Soak the seeds in water overnight before planting to improve germination.

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