Arrowhead Plant vs Fountain Grass Plant Comparison

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

Arrowhead Plant

Arrowhead Plant

Syngonium podophyllum

VS
Fountain Grass

Fountain Grass

Pennisetum setaceum

Arrowhead Plant

Arrowhead Plant

Syngonium podophyllum

Syngonium podophyllum, commonly known as the Arrowhead Plant, is a popular houseplant prized for its attractive foliage that changes shape as it matures. Juvenile leaves are typically arrow-shaped, while mature leaves develop multiple lobes. It's a vining plant that can be grown in pots, hanging baskets, or trained to climb. While naturally an outdoor plant in tropical climates, it adapts well to indoor conditions, making it a favorite for adding greenery to homes and offices. People grow it for its ease of care, attractive foliage, and air-purifying qualities.

Araceae Tropical rainforests of Latin America, from Mexico to Bolivia
✨ Features: Air purifying qualities, attractive foliage that changes shape as it matures.
📖 Read Complete Arrowhead Plant Guide
Fountain Grass

Fountain Grass

Pennisetum setaceum

Fountain Grass is a perennial grass known for its graceful, arching foliage and bottlebrush-like flower plumes. Typically grown as an ornamental grass, it adds texture and movement to landscapes. It forms dense clumps of slender, linear leaves that can range in color from green to reddish-purple, depending on the cultivar. The feathery flower plumes emerge in summer and persist into fall, adding visual interest. While primarily an outdoor plant, it is sometimes grown in containers. It is valued for its drought tolerance and low maintenance requirements in suitable climates.

Poaceae Native to tropical Africa, Southwest Asia, and the Arabian Peninsula; naturalized in many other regions.
✨ Features: Drought tolerance, attractive flower plumes, adds texture and movement to landscapes.
📖 Read Complete Fountain Grass Guide

Quick Plant Comparison

Feature Arrowhead Plant Fountain Grass
Light Bright, indirect light. Avoid direct sunlight, which can scorch the leaves. Full sun (at least 6-8 hours of direct sunlight daily)
Watering Every 7-10 days, adjust based on environmental conditions Every 1-2 weeks, depending on weather and soil drainage
Humidity 50-70% 30-50%
Temperature 18-24°C 18-30°C
Care Level Easy Expert
Growth Rate Moderate Fast
Max Height 0.3-0.6 meters (1-2 feet) indoors 0.6-1.5 meters (outdoor); significantly smaller in containers indoors (if attempted)
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 general-purpose potting mix amended with perlite.
Beginner Friendly ✅ Yes ❌ No
Weekly Maintenance 5-10 minutes weekly 15 minutes monthly

🔬 Botanical Information — Comparing These Plants

Arrowhead Plant

Scientific Name Syngonium podophyllum
Family Araceae
Native To Tropical rainforests of Latin America, from Mexico to Bolivia
Also Known As Arrowhead Vine, Arrowhead Plant, American Evergreen, African Evergreen, Goosefoot Plant, Nephthytis
Leaves Juvenile leaves are typically arrow-shaped, with a pointed tip and two basal lobes. As the plant matures, the leaves develop multiple lobes, becoming more palmate in appearance. The leaves are typically green, but various cultivars offer different colors and variegation patterns, including white, pink, and bronze.
Flowers Arrowhead Plants rarely flower indoors. When they do flower, the blooms are small and inconspicuous, similar to other members of the Araceae family, with a spadix and spathe.

Fountain Grass

Scientific Name Pennisetum setaceum
Family Poaceae
Native To Native to tropical Africa, Southwest Asia, and the Arabian Peninsula; naturalized in many other regions.
Also Known As Fountain Grass, Crimson Fountain Grass, Purple Fountain Grass
Leaves Slender, linear leaves that can range in color from green to reddish-purple, depending on the cultivar. The leaves are typically 30-90 cm long and 0.5-1 cm wide.
Flowers Flowers are produced in bottlebrush-like plumes that can be pink, purple, or white. The plumes emerge in summer and persist into fall. It is very unlikely to flower indoors.

📏 Size & Growth — Plant Comparison

Arrowhead Plant

Height 0.3-0.6 meters (1-2 feet) indoors
Spread 0.3-0.6 meters (1-2 feet) indoors
Growth Rate Moderate
Growth Pattern It is a vining plant that can be grown upright in a pot, allowed to trail from a hanging basket, or trained to climb a support. It exhibits a moderate growth rate, gradually expanding its foliage.

Fountain Grass

Height 0.6-1.5 meters (outdoor); significantly smaller in containers indoors (if attempted)
Spread 0.6-1.2 meters (outdoor); spreads via seeds and can be invasive in some regions.
Growth Rate Fast
Growth Pattern Forms dense clumps of arching, linear leaves. Flower plumes emerge from the center of the clump and arch outwards.

🌱 Propagation — Comparing Plant Growth

Arrowhead Plant

Methods: Stem cuttings, Division

Difficulty: Easy

Tips: Take stem cuttings with at least one node and place them in water or directly into moist potting mix. Keep the cuttings in a warm, humid environment until roots develop.

Fountain Grass

Methods: Seed, Division

Difficulty: Easy

Tips: Divide established clumps in spring or fall. Sow seeds in spring after the last frost. Ensure good drainage and consistent moisture during germination.

✨ Benefits & Features — Comparing Plant Value

Arrowhead Plant

The Arrowhead Plant is unique due to its changing leaf shape as it matures, transitioning from arrow-shaped to multi-lobed. It's also relatively easy to propagate and adapt to different growing conditions.

  • ✓ Improves indoor air quality
  • ✓ Adds a touch of greenery to any space
  • ✓ Relatively easy to care for, even for beginners
  • ✓ Can be grown in various containers and locations
  • ✓ Offers a visually appealing aesthetic with its unique foliage
  • 🌬️ NASA-verified air purifier
  • ⚠️ Toxic to pets

Fountain Grass

Fountain Grass is known for its graceful, arching foliage and bottlebrush-like flower plumes. The flower plumes add visual interest and movement to landscapes. Its drought tolerance makes it a popular choice for xeriscaping.

  • ✓ Adds visual interest to landscapes
  • ✓ Provides habitat for birds and beneficial insects
  • ✓ Drought-tolerant and low-maintenance
  • ✓ Erosion control on slopes
  • ✓ Can be used in cut flower arrangements
  • 🐾 Pet Safe

📅 Maintenance Schedule — Plant Care Comparison

Arrowhead Plant

Repotting Every 1-2 years, or when the plant becomes root-bound.
Pruning Prune to maintain desired shape and size. Remove any yellow or brown leaves.
Fertilizing Balanced liquid fertilizer (20-20-20) diluted to half strength, every 4-6 weeks during the growing season (spring and summer).
Seasonal Care Reduce watering during the winter months when growth slows down. Maintain consistent temperature and humidity levels.

Fountain Grass

Repotting Not typically repotted if grown outdoors. If grown in containers, repot every 1-2 years in spring.
Pruning Cut back foliage in late winter or early spring before new growth emerges. Deadhead spent flower plumes to maintain appearance and prevent unwanted seed dispersal.
Fertilizing Apply a balanced slow-release fertilizer in spring. Avoid over-fertilizing, as this can lead to excessive foliage growth at the expense of flowering.
Seasonal Care In winter, cut back foliage to a few inches above the ground in colder climates. In summer, ensure adequate watering during dry spells.

🌞 Light Requirements

Arrowhead Plant

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

Low light tolerant: ✅ Yes

Fountain Grass

Full sun (at least 6-8 hours of direct sunlight daily)

Low light tolerant: ❌ No

💧 Watering Needs

Arrowhead Plant

Water thoroughly when the top inch of soil feels dry to the touch. Ensure proper drainage to prevent root rot. Reduce watering frequency during the winter months. Overwatering can lead to yellowing leaves and root rot; underwatering can cause the leaves to droop and brown.

Fountain Grass

Water deeply when the top inch of soil feels dry. Avoid overwatering, which can lead to root rot. Allow the soil to dry out slightly between waterings. Signs of underwatering include drooping or browning leaves. Overwatering can cause yellowing leaves and a mushy base.

🌡️ Temperature & Humidity

Arrowhead Plant

Temperature: 18-24°C

Humidity: 50-70%

Fountain Grass

Temperature: 18-30°C

Humidity: 30-50%

🤔 Which Plant Is Right For You?

Arrowhead Plant

Arrowhead Plant

Syngonium podophyllum
Care: Easy Time: 5-10 minutes weekly Beginner: Yes

Beginners looking for an easy-to-care-for and visually appealing houseplant.

✅ Choose This Plant If...

  • You want a low-maintenance plant that's easy to care for.
  • You appreciate plants with interesting foliage that changes over time.
  • You're looking for a plant that can tolerate a range of light conditions.
  • You want to add a touch of the tropics to your home.
  • You are a beginner plant owner.

❌ Skip This Plant If...

  • You have pets that are prone to eating plants.
  • You tend to overwater your plants.
  • You prefer plants that stay small and compact.
📍 Ideal Location: Bright, indirect light location such as a living room, bedroom, or office.
🎨 Style: Tropical, Bohemian, Modern
🏠 Apartment Friendly: Yes
🌬️ Air Purifying: Yes (NASA verified)
⚠️ Toxic to dogs, cats, and horses. Contains calcium oxalate crystals. Symptoms include oral irritation, excessive drooling, vomiting, and difficulty swallowing. All parts of the plant are toxic.
Fountain Grass

Fountain Grass

Pennisetum setaceum
Care: Expert Time: 15 minutes monthly Beginner: No

Gardeners looking for a low-maintenance, ornamental grass to add texture and movement to their outdoor landscapes.

✅ Choose This Plant If...

  • You want a drought-tolerant ornamental grass for your garden.
  • You appreciate the graceful, arching foliage and feathery flower plumes.
  • You are looking for a low-maintenance plant that adds texture and movement to your landscape.
  • You live in a warm climate where it can thrive outdoors.
  • You want to attract birds to your garden.

❌ Skip This Plant If...

  • You live in a region where it is considered an invasive species.
  • You do not have a sunny outdoor space.
  • You are looking for a plant that thrives indoors.
📍 Ideal Location: Outdoor garden beds, borders, or containers in a sunny location.
🎨 Style: Mediterranean, Cottage, Modern, Naturalistic
🏠 Apartment Friendly: No
⚠️ According to the ASPCA, Pennisetum species are not listed as toxic to dogs, cats, or horses.

🎯 Quick Verdict

Best for Beginners Arrowhead Plant
Pet Friendly Fountain Grass ✓
Less Maintenance Arrowhead Plant
Apartment Friendly Arrowhead Plant

⚡ Key Differences Between These Plants

🎯

Arrowhead Plant is rated Easy care level, while Fountain Grass is Expert.

📈

Arrowhead Plant has moderate growth, while Fountain Grass grows fast.

💡 Pro Tips For Comparing These Plants

Arrowhead Plant Care Tips

Arrowhead Plants are relatively easy to care for indoors. They thrive in bright, indirect light and well-draining soil. Regular watering and occasional fertilization will keep them healthy and vibrant. They can tolerate lower light conditions, but growth may be slower.

  • Allow the top inch of soil to dry out before watering.
  • Provide bright, indirect light for optimal growth.
  • Fertilize regularly during the growing season.
  • Prune regularly to maintain desired shape and size.
  • Wipe leaves occasionally to remove dust and improve photosynthesis.
❄️ Winter: Reduce watering frequency during the winter months as the plant's growth slows down. Ensure the plant is not exposed to cold drafts or sudden temperature changes. Maintain adequate humidity levels.
☀️ Summer: Provide adequate moisture during the summer months, as the plant's growth rate increases. Protect the plant from direct sunlight, which can scorch the leaves. Increase humidity levels if necessary.

Fountain Grass Care Tips

Fountain Grass is primarily an outdoor plant that thrives in full sun and well-draining soil. Growing it indoors is challenging due to its high light requirements and potential size. It requires careful watering and fertilization. It can become invasive in some regions due to its prolific seed production.

  • Plant in well-draining soil to prevent root rot.
  • Provide full sun for optimal growth and flowering.
  • Water deeply but infrequently, allowing the soil to dry out slightly between waterings.
  • Cut back foliage in late winter or early spring to encourage new growth.
  • Deadhead spent flower plumes to prevent unwanted seed dispersal.
❄️ Winter: In colder climates, cut back foliage to a few inches above the ground in late winter or early spring. Mulch around the base of the plant to protect the roots from freezing temperatures.
☀️ Summer: Ensure adequate watering during dry spells. Deadhead spent flower plumes to maintain appearance and prevent unwanted seed dispersal. Monitor for pests and diseases.

⚠️ Common Problems & Solutions — Plant Care Comparison

Arrowhead Plant

Common Issues: Yellowing leaves, Root rot, Spider mites, Mealybugs
Solutions: Yellowing leaves: Adjust watering habits, ensure proper drainage. Root rot: Repot with fresh soil and improve drainage. Spider mites: Treat with insecticidal soap or neem oil. Mealybugs: Remove manually with a cotton swab dipped in alcohol or treat with insecticidal soap.

Fountain Grass

Common Issues: Root rot, Rust, Aphids, Seed dispersal (invasive potential)
Solutions: Root rot: Ensure well-draining soil and avoid overwatering. Rust: Improve air circulation and apply a fungicide if necessary. Aphids: Spray with insecticidal soap. Seed dispersal: Deadhead flower plumes before seeds mature to prevent unwanted spread.

❓ Frequently Asked Questions — Comparing These Plants

Arrowhead Plant

What are the light requirements for Arrowhead Plant?

Arrowhead Plants prefer bright, indirect light. Too much direct sunlight can cause leaf burn, while insufficient light can lead to leggy growth and loss of variegation. An east-facing window is ideal, providing gentle morning light. A north-facing window can also work, but the plant may need supplemental light, especially during winter months.

How do I care for Arrowhead Plant?

Arrowhead Plants thrive in bright, indirect light; avoid direct sunlight, which can scorch their leaves. Water when the top inch of soil feels dry, allowing excess water to drain away to prevent root rot. Maintain humidity levels between 40-60% by misting regularly or using a humidifier. The ideal temperature range is 65-80°F (18-27°C).

How do I propagate Arrowhead Plant?

Arrowhead Plants are easily propagated through stem cuttings or layering. For stem cuttings, take a 4-6 inch cutting with at least one node. Remove the lower leaves and place the cutting in water or directly into moist potting mix. Roots should develop within a few weeks.

Fountain Grass

What are the light requirements for Fountain Grass?

Fountain Grass requires a minimum of six hours of direct sunlight each day to thrive and produce abundant blooms. Insufficient light can lead to weak growth, fewer flowers, and a generally unhealthy appearance. When planting Fountain Grass, choose a location that receives full sun exposure throughout the day.

How do I care for Fountain Grass?

Fountain Grass thrives in full sun and well-drained soil. Water deeply but infrequently, allowing the soil to dry out slightly between waterings. Fertilize in spring with a balanced fertilizer to promote healthy growth and abundant blooms. Prune back dead foliage in late winter or early spring before new growth emerges.

How do I propagate Fountain Grass?

Fountain Grass is easily propagated by division. In early spring, carefully dig up the clump and divide it into smaller sections, ensuring each section has healthy roots and foliage. Replant the divisions in well-drained soil and water thoroughly. Stem cuttings are not a reliable method. Keikis do not naturally occur on Fountain Grass.

Last updated: May 13, 2026 — Plant care data reviewed and verified by our editorial team.