Calathea vs Grevillea Plant Comparison

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

Calathea

Calathea

Calathea spp.

VS
Grevillea

Grevillea

Grevillea spp.

Calathea

Calathea

Calathea spp.

Calathea are rhizomatous herbaceous perennials prized for their strikingly patterned foliage. They are naturally understory plants in tropical rainforests, accustomed to dappled light and high humidity. Calathea are grown as houseplants for their decorative leaves, which come in a variety of colors and patterns. Many species exhibit nyctinasty, raising their leaves at night and lowering them during the day, resembling praying hands. While beautiful, they can be challenging to grow indoors due to their specific environmental needs. They are not naturally indoor plants, and require careful attention to humidity, light, and watering.

Marantaceae Tropical Americas, primarily Brazil
✨ Features: Striking foliage patterns and nyctinasty (leaf movement).
📖 Read Complete Calathea Guide
Grevillea

Grevillea

Grevillea spp.

Grevilleas are a diverse genus of evergreen trees and shrubs, ranging in size from groundcovers to large trees. They are known for their distinctive, often spider-like flowers that come in a variety of colors, including red, pink, orange, yellow, and white. Most Grevilleas are outdoor plants, prized for their drought tolerance and ability to attract birds and insects. Indoor cultivation is challenging due to their high light requirements and need for excellent drainage. People grow them for their unique flowers, foliage, and wildlife attraction.

Proteaceae Australia, New Guinea, New Caledonia, Sulawesi
✨ Features: Attracts birds and insects, unique flower shapes, drought tolerance (outdoors)
📖 Read Complete Grevillea Guide

Quick Plant Comparison

Feature Calathea Grevillea
Light Bright, indirect light. Avoid direct sunlight, which can scorch the leaves. Full sun to partial shade outdoors. Indoors, requires very bright, direct light for at least 6 hours per day.
Watering Every 7-10 days, depending on environmental conditions and pot size. Every 1-2 weeks indoors, depending on light and temperature. Less frequent watering outdoors once established.
Humidity 60-80% 30-50%
Temperature 18-24°C 15-25°C
Care Level Moderate Expert
Growth Rate Moderate Moderate To Fast, Depending On The Species And Growing Conditions.
Max Height 0.3-0.6 meters (1-2 feet) Indoors: 1-2 meters (if successfully grown). Outdoors: Varies greatly by species, from groundcovers to 30+ meter trees.
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining potting mix that retains moisture. A mix of peat moss, perlite, and vermiculite is suitable. Well-draining, slightly acidic soil. A mix of potting mix, sand, and perlite is suitable.
Beginner Friendly With Caution ❌ No
Weekly Maintenance 30 minutes weekly 30 minutes weekly

🔬 Botanical Information — Comparing These Plants

Calathea

Scientific Name Calathea spp.
Family Marantaceae
Native To Tropical Americas, primarily Brazil
Also Known As Prayer Plant, Zebra Plant, Peacock Plant, Rattlesnake Plant
Leaves Calathea leaves are ovate to lanceolate in shape, with a variety of colors and patterns depending on the species. They can be green, purple, pink, red, or white, often with contrasting veins, spots, or stripes. The texture is typically smooth and slightly waxy. Leaf size varies, but generally ranges from 15-30 cm (6-12 inches) long.
Flowers Calathea rarely flowers indoors. When they do, the flowers are small and inconspicuous, typically white or purple, and are not the main attraction of the plant.

Grevillea

Scientific Name Grevillea spp.
Family Proteaceae
Native To Australia, New Guinea, New Caledonia, Sulawesi
Also Known As Grevillea, Spider Flower, Silky Oak (for some species)
Leaves Leaves vary greatly by species, ranging from needle-like to broad and lobed. They are typically evergreen and can be green, grey-green, or bronze. Some species have silky hairs on their leaves.
Flowers Grevilleas rarely flower indoors due to the lack of sufficient light and humidity. Outdoors, they produce distinctive spider-like flowers in a variety of colors, including red, pink, orange, yellow, and white. The flowers are rich in nectar and attract birds and insects.

📏 Size & Growth — Plant Comparison

Calathea

Height 0.3-0.6 meters (1-2 feet)
Spread 0.3-0.6 meters (1-2 feet), spreads via rhizomes
Growth Rate Moderate
Growth Pattern Calathea grows in an upright, bushy habit. It spreads via rhizomes, forming clumps over time. The leaves emerge from the base of the plant on long petioles.

Grevillea

Height Indoors: 1-2 meters (if successfully grown). Outdoors: Varies greatly by species, from groundcovers to 30+ meter trees.
Spread Indoors: 0.5-1 meter. Outdoors: Varies greatly by species.
Growth Rate Moderate To Fast, Depending On The Species And Growing Conditions.
Growth Pattern Varies greatly by species. Some are groundcovers, others are shrubs, and some are trees. Indoors, they tend to be more upright and shrub-like.

🌱 Propagation — Comparing Plant Growth

Calathea

Methods: Division

Difficulty: Moderate

Tips: Divide the rhizomes in spring when repotting. Ensure each division has healthy roots and leaves. Plant in fresh potting mix and keep humid.

Grevillea

Methods: Seed, stem cuttings, grafting

Difficulty: Moderate To Difficult

Tips: Take semi-hardwood cuttings in late spring or early summer. Use rooting hormone and provide bottom heat. Seeds require pre-treatment, such as scarification or soaking.

✨ Benefits & Features — Comparing Plant Value

Calathea

Calathea's most unique characteristic is its striking foliage patterns, which vary widely among different species. The nyctinastic movement of its leaves, raising and lowering them throughout the day and night, is also a distinctive feature.

  • ✓ Adds a vibrant and exotic touch to indoor spaces.
  • ✓ Unique foliage patterns create visual interest.
  • ✓ Can improve indoor air quality by increasing humidity.
  • ✓ Offers a calming and therapeutic effect through its natural beauty.
  • ✓ Provides a sense of accomplishment when successfully grown.
  • ⚠️ Toxic to pets

Grevillea

Grevilleas are known for their distinctive, spider-like flowers and often intricate foliage. Their flowers attract a variety of birds and insects, making them a valuable addition to any garden. The diverse range of species allows for a variety of sizes and growth habits.

  • ✓ Unique and interesting foliage and flowers.
  • ✓ Attracts birds and beneficial insects (outdoors).
  • ✓ Adds a touch of the Australian landscape to your home.
  • ✓ Can be a conversation starter due to its unusual appearance.
  • ✓ Offers a rewarding challenge for experienced plant enthusiasts.
  • ⚠️ Toxic to pets

📅 Maintenance Schedule — Plant Care Comparison

Calathea

Repotting Every 1-2 years, or when the plant becomes root-bound. Use a pot only slightly larger than the previous one.
Pruning Remove dead or damaged leaves to maintain appearance and prevent disease.
Fertilizing Balanced liquid fertilizer (20-20-20) diluted to half strength, every 4-6 weeks during the growing season (spring and summer). Do not fertilize in the fall and winter.
Seasonal Care Reduce watering in winter when growth slows. Increase humidity during dry winter months. Provide more light in winter if possible.

Grevillea

Repotting Every 1-2 years, or when the plant becomes root-bound. Use a well-draining potting mix.
Pruning Prune regularly to maintain shape and encourage bushier growth. Prune after flowering.
Fertilizing Low-phosphorus fertilizer, diluted to half strength, every 2-3 months during the growing season (spring and summer). Avoid high-phosphorus fertilizers.
Seasonal Care Reduce watering in winter. Provide supplemental light if needed. Increase watering and fertilizing during the growing season (spring and summer).

🌞 Light Requirements

Calathea

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

Low light tolerant: ❌ No

Grevillea

Full sun to partial shade outdoors. Indoors, requires very bright, direct light for at least 6 hours per day.

Low light tolerant: ❌ No

💧 Watering Needs

Calathea

Keep the soil consistently moist but not soggy. Water when the top inch of soil feels slightly dry. Use distilled water or rainwater, as tap water can contain minerals that cause leaf browning. Overwatering can lead to root rot, indicated by yellowing and drooping leaves. Underwatering results in crispy, brown leaf edges.

Grevillea

Allow the soil to dry out slightly between waterings. Overwatering can lead to root rot. Check soil moisture regularly. Outdoors, established plants are drought-tolerant. Indoors, water thoroughly when the top inch of soil is dry. Signs of overwatering include yellowing leaves and soggy soil. Underwatering results in wilting and dry, crispy leaves.

🌡️ Temperature & Humidity

Calathea

Temperature: 18-24°C

Humidity: 60-80%

Grevillea

Temperature: 15-25°C

Humidity: 30-50%

🤔 Which Plant Is Right For You?

Calathea

Calathea

Calathea spp.
Care: Moderate Time: 30 minutes weekly Beginner: With-caution

Experienced plant owners who can provide the high humidity and consistent care that Calathea require.

✅ Choose This Plant If...

  • You love plants with unique and striking foliage patterns.
  • You are willing to provide high humidity levels.
  • You are experienced with caring for tropical plants.
  • You enjoy the daily movement of the leaves (nyctinasty).
  • You are looking for a plant that adds a touch of the tropics to your home.

❌ Skip This Plant If...

  • You struggle to maintain consistent watering schedules.
  • You live in a dry climate and are unwilling to provide supplemental humidity.
  • You are a beginner plant owner.
  • You have pets that might ingest the plant.
  • You prefer low-maintenance plants.
📍 Ideal Location: Bathroom, kitchen, or any room with high humidity and bright, indirect light.
🎨 Style: Tropical, Bohemian, Eclectic
🏠 Apartment Friendly: Yes
⚠️ Calathea are mildly toxic to cats, dogs, and horses. Symptoms include oral irritation, drooling, vomiting, and difficulty swallowing. The toxic principle is unknown, but is likely due to insoluble calcium oxalates.
Grevillea

Grevillea

Grevillea spp.
Care: Expert Time: 30 minutes weekly Beginner: No

Experienced gardeners who want to try a challenging plant indoors or those with suitable outdoor climates.

✅ Choose This Plant If...

  • You have a very sunny indoor location and are willing to provide supplemental light.
  • You are an experienced gardener looking for a challenging plant to grow indoors.
  • You want to attract birds to your outdoor garden (if planting outdoors).
  • You appreciate unique and unusual flower shapes.
  • You are willing to provide well-draining soil and avoid overwatering.

❌ Skip This Plant If...

  • You have pets that might ingest the plant.
  • You have limited sunlight indoors.
  • You are a beginner gardener looking for an easy-to-care-for plant.
📍 Ideal Location: Outdoors in a sunny location. Indoors, a south-facing window with supplemental lighting.
🎨 Style: Modern, Australian Native, Eclectic
🏠 Apartment Friendly: Limited
⚠️ Grevillea species contain cyanogenic glycosides. These can cause cyanide poisoning, especially in dogs, cats, and horses. Symptoms include vomiting, diarrhea, lethargy, and difficulty breathing. 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 Calathea

⚡ Key Differences Between These Plants

🎯

Calathea is rated Moderate care level, while Grevillea is Expert.

📈

Calathea has moderate growth, while Grevillea grows moderate to fast, depending on the species and growing conditions..

💡 Pro Tips For Comparing These Plants

Calathea Care Tips

Calathea require consistent moisture, high humidity, and bright, indirect light. They are sensitive to tap water and temperature fluctuations. Maintaining proper humidity is the biggest challenge for indoor growers. They are prone to browning leaf tips if conditions are not ideal.

  • Use distilled water or rainwater to avoid mineral buildup in the soil.
  • Increase humidity by using a humidifier, pebble tray, or grouping plants together.
  • Rotate the plant regularly to ensure even light exposure.
  • Wipe the leaves occasionally to remove dust and improve photosynthesis.
  • Monitor for pests regularly and treat promptly.
❄️ Winter: Reduce watering frequency in winter as growth slows. Maintain high humidity levels, as indoor air tends to be drier during the winter months. Provide supplemental light if needed, especially in regions with short days.
☀️ Summer: Water more frequently during the summer months as the plant actively grows. Protect from direct sunlight to prevent leaf scorch. Ensure adequate ventilation to prevent fungal diseases.

Grevillea Care Tips

Grevilleas are primarily outdoor plants and are challenging to grow indoors. They require very bright light, excellent drainage, and careful watering to avoid root rot. Maintaining appropriate humidity and temperature can also be difficult. Regular pruning is necessary to maintain shape.

  • Provide excellent drainage to prevent root rot.
  • Use a low-phosphorus fertilizer.
  • Prune regularly to maintain shape and encourage bushier growth.
  • Ensure adequate air circulation to prevent fungal diseases.
  • Monitor for pests and treat promptly.
❄️ Winter: Reduce watering frequency. Provide supplemental light if needed. Protect from frost if grown outdoors in marginal climates.
☀️ Summer: Increase watering frequency. Provide some shade during the hottest part of the day if grown outdoors in very hot climates. Fertilize regularly during the growing season.

⚠️ Common Problems & Solutions — Plant Care Comparison

Calathea

Common Issues: Brown leaf tips, leaf curling, root rot, pest infestations (spider mites).
Solutions: Increase humidity for brown leaf tips. Ensure proper watering and drainage to prevent root rot. Treat pest infestations with insecticidal soap or neem oil.

Grevillea

Common Issues: Root rot, spider mites, scale, nutrient deficiencies (especially iron)
Solutions: Root rot: Improve drainage, reduce watering frequency. Spider mites: Increase humidity, spray with insecticidal soap. Scale: Remove manually, treat with horticultural oil. Nutrient deficiencies: Use a balanced fertilizer with micronutrients.

❓ Frequently Asked Questions — Comparing These Plants

Calathea

What are the light requirements for Calathea?

Calathea require bright, indirect light to thrive. Direct sunlight can scorch their delicate leaves, causing discoloration and damage. An east-facing window is often ideal, providing gentle morning light. A north-facing window can also work, but may require supplemental lighting during darker months. If placing your Calathea near a south- or west-facing window, use a sheer curtain to filter the light. Observe your plant for signs of insufficient light, such as leggy growth or loss of leaf patterns. Rotate your plant regularly to ensure even light exposure on all sides. Providing the right light is crucial for maintaining the vibrant colors and patterns of your Calathea.

How do I care for Calathea?

Calathea thrive in bright, indirect light; avoid direct sunlight, which can scorch their leaves. Maintain consistent moisture in the soil, watering when the top inch feels dry. Use filtered water or rainwater, as they are sensitive to tap water chemicals. Humidity is crucial; aim for 60% or higher by using a humidifier, pebble tray, or grouping plants together. Fertilize monthly during the growing season (spring and summer) with a balanced liquid fertilizer diluted to half strength. Repot every 1-2 years in spring, using a well-draining potting mix. Monitor for pests like spider mites and mealybugs, and treat promptly. Prune any yellowed or damaged leaves to encourage new growth. Consistent care and attention to their specific needs will keep your Calathea healthy and vibrant.

How do I propagate Calathea?

Calathea can be propagated through division during repotting. Carefully separate the rhizomes, ensuring each division has healthy roots and leaves. Plant each division in its own pot with well-draining potting mix. Keep the soil consistently moist and maintain high humidity. Stem cuttings are not typically successful for Calathea propagation. Air layering is also not a common propagation method for Calathea. Division is the most reliable method for propagating these plants. Provide gentle care and avoid overwatering until new growth appears. Patience is key, as it may take several weeks for the divisions to establish themselves.

Grevillea

What are the light requirements for Grevillea?

Grevilleas thrive in bright, direct sunlight for at least six hours each day. Insufficient light can lead to leggy growth, reduced flowering, and weakened plants. When grown indoors, place Grevilleas near a south-facing window or under grow lights to ensure adequate light exposure. Rotate the plant regularly to promote even growth on all sides. If leaves start to turn pale or yellow, it may indicate that the plant is receiving too much direct sunlight, especially during the hottest part of the day. Filtered light or partial shade during peak hours can help prevent leaf burn. Outdoor-grown Grevilleas should be planted in a location that receives full sun for most of the day.

How do I care for Grevillea?

Grevilleas require well-draining soil, ideally a sandy or gravelly loam. Water thoroughly when the top inch of soil is dry, allowing excess water to drain away. Avoid overwatering, which can lead to root rot. Provide at least 6 hours of direct sunlight daily for optimal flowering. Fertilize sparingly with a low-phosphorus fertilizer specifically formulated for native plants during the growing season (spring and summer). Prune lightly after flowering to maintain shape and encourage bushier growth. Protect from frost in colder climates. Monitor for pests such as aphids and scale, and treat as needed. Ensure good air circulation to prevent fungal diseases. Repot young plants annually in spring, using a slightly larger pot each time. Mature plants can be repotted every 2-3 years. Maintaining a slightly acidic soil pH is beneficial.

How do I propagate Grevillea?

Grevilleas can be propagated through 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 and keep them moist in a warm, humid environment. Rooting typically takes several weeks. Another method is seed propagation, although it can be more challenging. Collect seeds from mature seed pods and sow them in a well-draining seed starting mix. Keep the soil moist and warm until germination occurs. Division is possible for some clumping varieties. Carefully separate the plant at the roots and plant each section in its own pot.

Last updated: April 30, 2026 — Plant care data reviewed and verified by our editorial team.