Ixora vs Purple Fountain Grass Plant Comparison

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

Ixora

Ixora

Ixora coccinea

VS
Purple Fountain Grass

Purple Fountain Grass

Pennisetum setaceum 'Rubrum'

Ixora

Ixora

Ixora coccinea

Ixora coccinea is a tropical evergreen shrub known for its vibrant clusters of small, star-shaped flowers. It typically grows to a height of 4-6 feet outdoors, but remains smaller in containers. The plant features glossy, leathery leaves and a dense, rounded habit. While primarily grown outdoors in warm climates as a hedge or specimen plant, it is sometimes attempted as an indoor plant. People grow it for its showy flowers, which come in shades of red, orange, yellow, and pink, adding a splash of color to gardens and landscapes. It is not naturally an indoor plant and requires very specific conditions to thrive indoors.

Rubiaceae India, Sri Lanka
✨ Features: Showy flowers, attracts pollinators (outdoors)
📖 Read Complete Ixora 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 Ixora Purple Fountain Grass
Light Full sun to partial shade. Requires at least 6 hours of direct sunlight daily to flower profusely. Full sun (at least 6 hours of direct sunlight per day)
Watering Every 3-7 days, depending on environmental conditions and pot size. Check soil moisture regularly. Every 7-10 days, depending on weather and soil drainage
Humidity 50-70% 20-50%
Temperature 21-27°C 18-30°C
Care Level Expert Expert
Growth Rate Moderate Moderate
Max Height 1-2 meters (indoors, typically smaller) Outdoor: 0.6-1.5 meters. Indoor (unlikely to thrive): 0.3-0.6 meters
Pet Safety ❌ Toxic To Pets ✅ Safe
Soil Well-draining, slightly acidic soil mix. A mix of potting soil, perlite, and peat moss is suitable. Well-draining soil, such as a sandy loam or a potting mix amended with perlite
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 30 minutes weekly 15 minutes weekly

🔬 Botanical Information — Comparing These Plants

Ixora

Scientific Name Ixora coccinea
Family Rubiaceae
Native To India, Sri Lanka
Also Known As Flame of the Woods, Jungle Flame, Jungle Geranium, Scarlet Ixora
Leaves The leaves are glossy, leathery, and oblong in shape. They are typically 4-6 inches long and dark green in color. The leaves are oppositely arranged on the stems.
Flowers Ixora can flower indoors if provided with very bright light and optimal conditions, but it is not guaranteed. The flowers are small, star-shaped, and grow in dense clusters (corymbs). They come in shades of red, orange, yellow, and pink.

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

Ixora

Height 1-2 meters (indoors, typically smaller)
Spread 0.5-1 meter (indoors)
Growth Rate Moderate
Growth Pattern Ixora grows as a dense, multi-branched shrub. Indoors, it will likely remain smaller and more compact than its outdoor counterparts. It has an upright growth habit.

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

Ixora

Methods: Stem cuttings, Air layering

Difficulty: Moderate

Tips: Take stem cuttings in spring or summer. Use rooting hormone and provide warm, humid conditions. Air layering can also be successful.

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

Ixora

Ixora's vibrant, star-shaped flowers are its most distinctive feature. Unlike many houseplants, it requires very high light levels to flower indoors, making it a more challenging specimen.

  • ✓ Brightens up indoor spaces with vibrant flowers.
  • ✓ Provides a touch of the tropics to your home.
  • ✓ Can be a rewarding challenge for experienced plant growers.
  • ✓ Offers a unique aesthetic compared to common houseplants.
  • ✓ May improve mood and reduce stress with its beauty.
  • ⚠️ 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

Ixora

Repotting Repot every 1-2 years in spring, using a slightly larger pot. Refresh the soil.
Pruning Prune after flowering to maintain shape and encourage new growth. Remove any dead or damaged branches.
Fertilizing Balanced liquid fertilizer (20-20-20) diluted to half strength, every 2-4 weeks during the growing season (spring and summer). Reduce or stop fertilizing in fall and winter.
Seasonal Care In winter, reduce watering and fertilization. Provide as much light as possible. In summer, increase watering and fertilization to support growth and flowering.

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

Ixora

Full sun to partial shade. Requires at least 6 hours of direct sunlight daily to flower profusely.

Low light tolerant: ❌ No

Purple Fountain Grass

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

Low light tolerant: ❌ No

💧 Watering Needs

Ixora

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 drooping leaves and dry soil. Signs of overwatering include yellowing leaves and soggy soil.

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

Ixora

Temperature: 21-27°C

Humidity: 50-70%

Purple Fountain Grass

Temperature: 18-30°C

Humidity: 20-50%

🤔 Which Plant Is Right For You?

Ixora

Ixora

Ixora coccinea
Care: Expert Time: 30 minutes weekly Beginner: No

Experienced plant enthusiasts who can provide the specific environmental conditions required for this tropical shrub to thrive indoors.

✅ Choose This Plant If...

  • You have a very sunny south-facing window and can supplement with grow lights.
  • You are experienced with tropical plants and understand their specific needs.
  • You can provide consistently high humidity levels around the plant.
  • You are looking for a flowering plant with vibrant colors to add to your collection.
  • You are willing to dedicate the time and effort required to meet this plant's demanding care requirements.

❌ Skip This Plant If...

  • You have pets that might ingest the plant.
  • You cannot provide bright, direct sunlight for at least 6 hours a day.
  • You struggle to maintain high humidity levels in your home.
📍 Ideal Location: Brightest south-facing window, ideally with supplemental grow lights. A sunroom or greenhouse is also suitable.
🎨 Style: Tropical, Exotic
🏠 Apartment Friendly: Limited
⚠️ According to the ASPCA, Ixora is toxic to dogs, cats, and horses. Symptoms include vomiting, diarrhea, and loss of appetite. All parts of the plant are considered toxic.
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 Neither ideal
Pet Friendly Purple Fountain Grass ✓
Less Maintenance Similar effort
Apartment Friendly Check space

⚡ Key Differences Between These Plants

🌿

Both plants have similar basic care requirements but differ in appearance and specific needs. Compare plants carefully to find the best fit for your space.

💡 Pro Tips For Comparing These Plants

Ixora Care Tips

Ixora is challenging to grow indoors due to its high light and humidity requirements. It needs bright, direct sunlight and consistently moist, well-draining soil. Regular fertilization and pruning are necessary to maintain its shape and encourage flowering. Maintaining adequate humidity is crucial for indoor success.

  • Use rainwater or distilled water to avoid mineral buildup in the soil.
  • Provide excellent drainage to prevent root rot.
  • Mist the plant regularly or use a humidifier to maintain high humidity.
  • Rotate the plant regularly to ensure even growth.
  • Monitor for pests and diseases and treat promptly.
❄️ Winter: Reduce watering frequency and stop fertilizing during the winter months. Provide as much light as possible, and maintain a temperature above 16°C. Avoid placing the plant near cold drafts.
☀️ Summer: Increase watering and fertilization during the summer months to support growth and flowering. Provide bright, indirect light to prevent scorching. Ensure adequate humidity.

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

Ixora

Common Issues: Spider mites, Aphids, Iron deficiency (chlorosis), Root rot
Solutions: Spider mites/Aphids: Treat with insecticidal soap or neem oil. | Iron deficiency: Use a chelated iron supplement. | Root rot: Improve drainage and reduce watering frequency.

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

Ixora

What are the light requirements for Ixora?

Ixora thrives in bright, indirect sunlight. Aim for at least 6 hours of sunlight daily. An east-facing window is ideal, providing morning sun. A south- or west-facing window can work, but protect the plant from intense afternoon sun to prevent leaf scorch. If natural light is insufficient, supplement with grow lights. Insufficient light can lead to leggy growth and reduced blooming. Rotate the plant regularly to ensure even light exposure on all sides. Observe the plant closely for signs of light stress, such as pale leaves or elongated stems, and adjust its position accordingly.

How do I care for Ixora?

To successfully care for Ixora, provide it with bright, indirect sunlight for at least 6 hours a day. Water thoroughly when the top inch of soil feels dry, ensuring good drainage to prevent root rot. Maintain a consistent temperature between 65-80°F (18-27°C) and high humidity levels, ideally above 60%. Fertilize every 2-4 weeks during the growing season (spring and summer) with a balanced, water-soluble fertilizer formulated for blooming plants. Prune after flowering to encourage bushier growth and more blooms. Repot every 1-2 years in spring, using a well-draining, slightly acidic potting mix. Protect from frost and cold drafts. Regular monitoring for pests like aphids and spider mites is essential. Proper care will result in a vibrant, healthy Ixora with abundant blooms.

How do I propagate Ixora?

Ixora can be propagated through stem cuttings. Take a 4-6 inch cutting from a healthy stem. Remove the lower leaves and dip the cut end in rooting hormone. Plant the cutting in a well-draining potting mix. Keep the soil moist and provide high humidity by covering the cutting with a plastic bag or humidity dome. Place in a warm, bright location, but avoid direct sunlight. Rooting typically occurs in 4-8 weeks. Division can be done during repotting, carefully separating the root ball. Keiki propagation is not typical for Ixora.

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: April 28, 2026 — Plant care data reviewed and verified by our editorial team.