Aglaonema vs Purple Fountain Grass Plant Comparison

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

Aglaonema

Aglaonema

Aglaonema commutatum

VS
Purple Fountain Grass

Purple Fountain Grass

Pennisetum setaceum 'Rubrum'

Aglaonema

Aglaonema

Aglaonema commutatum

Aglaonema commutatum, commonly known as Chinese Evergreen, is a popular houseplant prized for its attractive foliage and ease of care. It features lance-shaped leaves that come in various shades of green, often variegated with silver, gray, or red patterns. It's a rhizomatous, evergreen perennial. While it can technically flower, it rarely does so indoors. Aglaonema is primarily grown for its ornamental leaves, which add a touch of the tropics to indoor spaces. It is naturally an understory plant, making it well-suited to indoor conditions.

Araceae Southeast Asia
✨ Features: Air purifying qualities (removes formaldehyde and benzene), attractive foliage.
📖 Read Complete Aglaonema Guide
Purple Fountain Grass

Purple Fountain Grass

Pennisetum setaceum 'Rubrum'

Purple Fountain Grass is a striking ornamental grass prized for its arching, burgundy-purple foliage and bottlebrush-like flower plumes. It typically grows in a mounded form, reaching several feet in height and width. While technically a perennial in warmer climates, it is often grown as an annual in cooler regions due to its sensitivity to frost. It is primarily an outdoor plant, grown for its dramatic texture and color in gardens and landscapes. People grow it for its ornamental value, adding movement and visual interest to borders, containers, and mass plantings.

Poaceae Hybrid cultivar; species native to Africa, Southwest Asia
✨ Features: Attractive foliage and flower plumes, drought tolerance, deer resistance
📖 Read Complete Purple Fountain Grass Guide

Quick Plant Comparison

Feature Aglaonema Purple Fountain Grass
Light Low to medium indirect light. Avoid direct sunlight, which can scorch the leaves. Full sun (at least 6 hours of direct sunlight per day)
Watering Every 1-2 weeks, depending on environmental conditions Every 7-10 days, depending on weather and soil drainage
Humidity 40-60% 20-50%
Temperature 18-24°C 18-30°C
Care Level Easy Expert
Growth Rate Slow Moderate
Max Height 30-60 cm Outdoor: 0.6-1.5 meters. Indoor (unlikely to thrive): 0.3-0.6 meters
Pet Safety ❌ Toxic To Pets ✅ Safe
Soil Well-draining potting mix, such as a blend of peat moss, perlite, and vermiculite. Well-draining soil, such as a sandy loam or a potting mix amended with perlite
Beginner Friendly ✅ Yes ❌ No
Weekly Maintenance 5 minutes weekly 15 minutes weekly

🔬 Botanical Information — Comparing These Plants

Aglaonema

Scientific Name Aglaonema commutatum
Family Araceae
Native To Southeast Asia
Also Known As Chinese Evergreen, Aglaonema
Leaves The leaves are lance-shaped, typically 10-30 cm long and 5-10 cm wide. They come in various shades of green, often variegated with silver, gray, red, or pink patterns. The texture is smooth and slightly waxy.
Flowers Aglaonema rarely flowers indoors. When it does, it produces a spadix surrounded by a spathe, similar to other members of the Araceae family. The flowers are typically white or greenish-white and are not particularly showy.

Purple Fountain Grass

Scientific Name Pennisetum setaceum 'Rubrum'
Family Poaceae
Native To Hybrid cultivar; species native to Africa, Southwest Asia
Also Known As Purple Fountain Grass, Red Fountain Grass
Leaves The leaves are long, narrow, and arching, with a deep burgundy-purple color. They have a fine texture and create a graceful, flowing appearance.
Flowers It produces bottlebrush-like flower plumes that are initially a deep burgundy-purple, fading to a tan color as they mature. Flowering typically occurs in summer and fall. It is unlikely to flower indoors.

📏 Size & Growth — Plant Comparison

Aglaonema

Height 30-60 cm
Spread 30-60 cm
Growth Rate Slow
Growth Pattern Aglaonema grows upright with a clumping habit. It produces new leaves from the center of the plant, gradually increasing in size and density.

Purple Fountain Grass

Height Outdoor: 0.6-1.5 meters. Indoor (unlikely to thrive): 0.3-0.6 meters
Spread Outdoor: 0.6-1.2 meters. Indoor (unlikely to thrive): 0.3-0.6 meters
Growth Rate Moderate
Growth Pattern Grows in a mounded, upright form with arching foliage and flower plumes.

🌱 Propagation — Comparing Plant Growth

Aglaonema

Methods: Stem cuttings, Division

Difficulty: Easy

Tips: For stem cuttings, place the cut end in water or directly into moist potting mix. For division, separate the rhizomes carefully and plant each section in its own pot.

Purple Fountain Grass

Methods: Seed, Division

Difficulty: Moderate

Tips: Divide clumps in spring or early summer. Sow seeds indoors 6-8 weeks before the last frost.

✨ Benefits & Features — Comparing Plant Value

Aglaonema

Aglaonema's striking foliage patterns and tolerance for low light make it a standout among houseplants. Its air-purifying qualities further enhance its appeal.

  • ✓ Improved air quality by removing toxins
  • ✓ Adds a touch of greenery to indoor spaces
  • ✓ Low-maintenance and easy to care for
  • ✓ Can thrive in low-light conditions
  • ✓ Provides a calming and relaxing atmosphere
  • 🌬️ NASA-verified air purifier
  • ⚠️ Toxic to pets

Purple Fountain Grass

Its deep purple foliage and graceful, arching habit make it a standout in any garden. The bottlebrush-like flower plumes add further visual interest and movement.

  • ✓ Adds visual interest and texture to the garden
  • ✓ Attracts birds
  • ✓ Drought tolerant
  • ✓ Deer resistant
  • ✓ Provides movement in the landscape
  • 🐾 Pet Safe

📅 Maintenance Schedule — Plant Care Comparison

Aglaonema

Repotting Every 2-3 years, or when the plant becomes root-bound.
Pruning Remove yellow or damaged leaves to maintain appearance and encourage new growth.
Fertilizing Balanced liquid fertilizer (20-20-20) diluted to half strength, every 2-3 months during the growing season (spring and summer).
Seasonal Care Reduce watering in winter when growth slows down. Maintain adequate humidity during dry winter months.

Purple Fountain Grass

Repotting Not applicable as it is primarily an outdoor plant. If grown in a container, repot every 1-2 years in spring.
Pruning Cut back dead or damaged foliage as needed. Prune lightly in early spring to encourage new growth.
Fertilizing Balanced slow-release fertilizer in spring; liquid fertilizer diluted to half strength monthly during the growing season
Seasonal Care In colder climates, cut back foliage in late fall after it has turned brown. In warmer climates, prune lightly in early spring to remove dead or damaged growth. Reduce watering in winter.

🌞 Light Requirements

Aglaonema

Low to medium indirect light. Avoid direct sunlight, which can scorch the leaves.

Low light tolerant: ✅ Yes

Purple Fountain Grass

Full sun (at least 6 hours of direct sunlight per day)

Low light tolerant: ❌ No

💧 Watering Needs

Aglaonema

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

Purple Fountain Grass

Water deeply when the top inch of soil feels dry to the touch. Avoid overwatering, which can lead to root rot. Signs of underwatering include drooping or browning leaves. Signs of overwatering include yellowing leaves and soggy soil.

🌡️ Temperature & Humidity

Aglaonema

Temperature: 18-24°C

Humidity: 40-60%

Purple Fountain Grass

Temperature: 18-30°C

Humidity: 20-50%

🤔 Which Plant Is Right For You?

Aglaonema

Aglaonema

Aglaonema commutatum
Care: Easy Time: 5 minutes weekly Beginner: Yes

Beginners looking for a low-maintenance, visually appealing houseplant.

✅ Choose This Plant If...

  • It is very low maintenance and tolerates neglect.
  • It has beautiful foliage that comes in a variety of colors and patterns.
  • It is an excellent air purifier, removing toxins from the air.
  • It thrives in low-light conditions, making it suitable for dimly lit spaces.
  • It is relatively pest-resistant.

❌ Skip This Plant If...

  • It is toxic to pets if ingested.
  • It can be susceptible to root rot if overwatered.
  • It doesn't tolerate direct sunlight.
📍 Ideal Location: Living room, bedroom, or office with low to medium indirect light.
🎨 Style: Tropical, Modern, Bohemian
🏠 Apartment Friendly: Yes
🌬️ Air Purifying: Yes (NASA verified)
⚠️ All parts of the plant contain calcium oxalate crystals, which are toxic to dogs, cats, and horses. Symptoms include oral irritation, excessive drooling, vomiting, and difficulty swallowing.
Purple Fountain Grass

Purple Fountain Grass

Pennisetum setaceum 'Rubrum'
Care: Expert Time: 15 minutes weekly Beginner: No

Gardeners looking for a dramatic ornamental grass to add color and texture to their landscape.

✅ Choose This Plant If...

  • You want a striking focal point in your garden.
  • You need a drought-tolerant plant for a sunny location.
  • You desire a plant with beautiful purple foliage and plumes.
  • You want to attract birds to your garden.
  • You need a deer-resistant plant.

❌ Skip This Plant If...

  • You live in a cold climate and don't want to treat it as an annual.
  • You don't have a sunny location.
  • You are looking for a low-maintenance indoor plant.
📍 Ideal Location: Outdoor garden, sunny border, container on a patio
🎨 Style: Modern, Mediterranean, Southwestern, Cottage
🏠 Apartment Friendly: No
⚠️ According to the ASPCA, Pennisetum species are generally considered non-toxic to dogs, cats, and horses.

🎯 Quick Verdict

Best for Beginners Aglaonema
Pet Friendly Purple Fountain Grass ✓
Less Maintenance Aglaonema
Apartment Friendly Aglaonema

⚡ Key Differences Between These Plants

🎯

Aglaonema is rated Easy care level, while Purple Fountain Grass is Expert.

📈

Aglaonema has slow growth, while Purple Fountain Grass grows moderate.

💡 Pro Tips For Comparing These Plants

Aglaonema Care Tips

Aglaonema is a low-maintenance houseplant that thrives in low to medium light conditions. Avoid overwatering and provide adequate humidity. Its toxicity to pets is a primary concern.

  • Allow the top inch of soil to dry out completely before watering.
  • Avoid placing the plant in direct sunlight.
  • Maintain adequate humidity by misting the leaves regularly.
  • Fertilize sparingly during the growing season.
  • Wipe the leaves with a damp cloth to remove dust and improve photosynthesis.
❄️ Winter: Reduce watering frequency during winter as the plant's growth slows down. Ensure the plant is not exposed to cold drafts. Maintain adequate humidity levels, as indoor heating can dry out the air.
☀️ Summer: Water more frequently during the summer months as the plant actively grows. Protect the plant from direct sunlight, which can scorch the leaves. Increase humidity by misting the leaves or placing the pot on a pebble tray filled with water.

Purple Fountain Grass Care Tips

Purple Fountain Grass is primarily an outdoor plant and will struggle indoors due to its high light requirements. It needs full sun and well-draining soil. While it can be grown in containers, it requires regular watering and fertilization. Overwintering indoors is possible in colder climates, but the plant may not thrive.

  • Plant in well-draining soil in a sunny location.
  • Water deeply but infrequently, allowing the soil to dry out between waterings.
  • Fertilize in spring with a balanced slow-release fertilizer.
  • Cut back foliage in late fall or early spring.
  • Protect from frost in colder climates.
❄️ Winter: In cold climates, cut back foliage after it turns brown. Reduce watering significantly. If overwintering indoors, provide as much light as possible and keep soil slightly moist.
☀️ Summer: Water more frequently during hot, dry weather. Fertilize monthly with a diluted liquid fertilizer to promote growth and flowering.

⚠️ Common Problems & Solutions — Plant Care Comparison

Aglaonema

Common Issues: Root rot, mealybugs, spider mites, leaf spot
Solutions: Root rot: Improve drainage and reduce watering frequency. Mealybugs: Wipe away with a cotton swab dipped in rubbing alcohol or use insecticidal soap. Spider mites: Increase humidity and spray with insecticidal soap. Leaf spot: Remove affected leaves and improve air circulation.

Purple Fountain Grass

Common Issues: Root rot, Aphids, Spider mites, Leaf spot
Solutions: Root rot: Ensure well-draining soil and avoid overwatering. Aphids: Spray with insecticidal soap. Spider mites: Increase humidity and treat with miticide. Leaf spot: Remove affected leaves and apply fungicide.

❓ Frequently Asked Questions — Comparing These Plants

Aglaonema

What are the light requirements for Aglaonema?

Aglaonema prefers bright, indirect light. This means placing it near a window where it receives filtered sunlight. East-facing windows are ideal, as they provide gentle morning light. Avoid placing Aglaonema in direct sunlight, especially during the hottest part of the day, as this can cause leaf burn. While Aglaonema can tolerate low light conditions, its growth may be slower, and the colors of the foliage may be less vibrant. If your plant is not receiving enough light, consider supplementing with a grow light. Rotate your Aglaonema regularly to ensure even growth on all sides.

How do I care for Aglaonema?

Aglaonema thrives in bright, indirect light, but can tolerate low light conditions. Avoid direct sunlight, which can scorch the leaves. Water thoroughly when the top inch of soil feels dry, allowing excess water to drain away. Overwatering can lead to root rot. Maintain humidity levels of 50-60% by misting regularly, using a humidifier, or placing the plant on a pebble tray. Fertilize every 2-3 months during the growing season (spring and summer) with a balanced liquid fertilizer diluted to half strength. Repot every 1-2 years into a slightly larger pot with well-draining potting mix. Keep temperatures between 65-80°F (18-27°C). Prune any yellow or brown leaves to maintain the plant’s appearance and health. Protect from drafts and sudden temperature changes.

How do I propagate Aglaonema?

Aglaonema can be propagated through stem cuttings, division, or air layering. For stem cuttings, take a cutting with at least one node and place it in water or directly into moist potting mix. Keep the cutting in a warm, humid environment until roots develop. For division, carefully separate the root ball of a mature plant into smaller sections, ensuring each section has healthy roots and foliage. Repot each section into its own pot. Air layering involves wrapping a moist sphagnum moss around a stem and covering it with plastic wrap until roots develop, then cutting the stem below the roots and potting it.

Purple Fountain Grass

What are the light requirements for Purple Fountain Grass?

Purple Fountain Grass requires at least 6-8 hours of direct sunlight per day to thrive and develop its characteristic vibrant purple foliage and abundant flower plumes. Insufficient sunlight can lead to leggy growth, faded color, and reduced flowering. When planting, choose a location that receives full sun throughout the day. If growing in containers, rotate the plant regularly to ensure even sun exposure on all sides. In hotter climates, some afternoon shade may be beneficial to prevent scorching, but avoid placing it in deep shade, which will hinder its growth. Supplemental lighting may be necessary if grown indoors during winter months.

How do I care for Purple Fountain Grass?

Purple Fountain Grass thrives in full sun and well-draining soil. Water thoroughly when the top inch of soil feels dry, but avoid overwatering, which can lead to root rot. Fertilize monthly during the growing season (spring and summer) with a balanced fertilizer to promote healthy growth and vibrant blooms. Prune away dead or damaged foliage in late winter or early spring before new growth emerges. In colder climates, treat it as an annual or bring it indoors during the winter. Provide adequate air circulation to prevent fungal diseases. Regularly inspect for pests like aphids or spider mites, and treat accordingly. Avoid planting in overly compacted or poorly draining soil. Mulching around the base can help retain moisture and suppress weeds. Protect from strong winds.

How do I propagate Purple Fountain Grass?

Purple Fountain Grass can be propagated by division. In early spring, carefully dig up the plant and divide the root ball into smaller clumps, ensuring each clump has healthy roots and foliage. Replant the divisions in well-draining soil and water thoroughly. Keep the soil consistently moist until the new plants are established. Division is the most reliable method. Seed propagation is possible but can be inconsistent in producing plants true to the ‘Rubrum’ cultivar. Stem cuttings are not typically used for propagating this grass. Keikis are not applicable as this plant doesn’t produce them. Ensure good air circulation to prevent fungal diseases after dividing.

Last updated: May 3, 2026 — Plant care data reviewed and verified by our editorial team.