May Apple vs Purple Fountain Grass Plant Comparison

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

May Apple

May Apple

Podophyllum peltatum

VS
Purple Fountain Grass

Purple Fountain Grass

Pennisetum setaceum 'Rubrum'

May Apple

May Apple

Podophyllum peltatum

Mayapple is a perennial herbaceous plant typically found in woodland areas. It grows from a long, creeping rhizome. Each stem produces either a single, large, umbrella-like leaf or two leaves. The plant produces a solitary white flower that blooms in the spring, hidden beneath the leaves. This flower develops into a greenish-yellow fruit that is edible only when fully ripe. Mayapples are primarily grown for their unique foliage and woodland aesthetic. It is an outdoor plant and faces significant challenges when grown indoors.

Berberidaceae Eastern North America
✨ Features: Unique umbrella-like foliage, edible fruit (when fully ripe), medicinal properties (use with extreme caution and under professional guidance).
📖 Read Complete May Apple 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 May Apple Purple Fountain Grass
Light Partial to full shade. Requires protection from intense sunlight. Full sun (at least 6 hours of direct sunlight per day)
Watering 2-3 times per week during the growing season, less frequently during dormancy. Every 7-10 days, depending on weather and soil drainage
Humidity 40-60% 20-50%
Temperature 15-21°C 18-30°C
Care Level Expert Expert
Growth Rate Moderate, Aggressive Spreader Via Rhizomes Moderate
Max Height 0.3-0.5 meters (outdoor) Outdoor: 0.6-1.5 meters. Indoor (unlikely to thrive): 0.3-0.6 meters
Pet Safety ❌ Toxic To Pets ✅ Safe
Soil Well-draining, humus-rich soil with a slightly acidic to neutral pH. Well-draining soil, such as a sandy loam or a potting mix amended with perlite
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 15 minutes weekly (outdoor) 15 minutes weekly

🔬 Botanical Information — Comparing These Plants

May Apple

Scientific Name Podophyllum peltatum
Family Berberidaceae
Native To Eastern North America
Also Known As Mayapple, American mandrake, Wild mandrake
Leaves Large, rounded, umbrella-like leaves, typically 20-30 cm in diameter. Single-leaved stems do not produce flowers, while double-leaved stems produce a single flower in the fork between the leaves. The leaves are a vibrant green color.
Flowers Rarely flowers indoors. Outdoors, it produces a solitary, nodding white flower in the spring, hidden beneath the leaves.

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

May Apple

Height 0.3-0.5 meters (outdoor)
Spread Spreads indefinitely via rhizomes (outdoor)
Growth Rate Moderate, Aggressive Spreader Via Rhizomes
Growth Pattern Grows from a creeping rhizome, forming colonies of single or double-leaved stems. The stems emerge in spring and die back in the fall.

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

May Apple

Methods: Rhizome division, Seed

Difficulty: Moderate

Tips: Divide rhizomes in early spring or fall. Sow seeds in fall for germination the following spring. Ensure good drainage and consistent moisture.

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

May Apple

The umbrella-like leaves and hidden flower are distinctive. The plant's rhizomatous growth habit allows it to form colonies over time. The fruit is edible only when fully ripe, adding to its unique appeal.

  • ✓ Adds unique texture and visual interest to shaded gardens.
  • ✓ Attracts pollinators and supports local ecosystems.
  • ✓ Provides a natural ground cover in woodland areas.
  • ✓ Offers potential for educational opportunities about native plants and their uses.
  • ✓ Can be a conversation starter due to its unusual appearance.
  • ⚠️ 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

May Apple

Repotting Not applicable for indoor growing due to rhizomatous nature. Outdoor plants may need division every few years to control spread.
Pruning Remove dead or damaged foliage as needed. No other pruning is typically required.
Fertilizing Balanced liquid fertilizer diluted to half strength, applied once in early spring.
Seasonal Care In spring, provide consistent moisture and light fertilization. In summer, protect from intense sun. In fall, allow foliage to die back naturally. In winter, provide a layer of mulch for insulation.

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

May Apple

Partial to full shade. Requires protection from intense sunlight.

Low light tolerant: ❌ No

Purple Fountain Grass

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

Low light tolerant: ❌ No

💧 Watering Needs

May Apple

Keep the soil consistently moist, especially during the growing season. Avoid waterlogging. Check soil moisture regularly. Overwatering can lead to root rot, indicated by yellowing leaves and a musty smell. Underwatering results in wilting and dry, crispy leaf 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

May Apple

Temperature: 15-21°C

Humidity: 40-60%

Purple Fountain Grass

Temperature: 18-30°C

Humidity: 20-50%

🤔 Which Plant Is Right For You?

May Apple

May Apple

Podophyllum peltatum
Care: Expert Time: 15 minutes weekly (outdoor) Beginner: No

Experienced gardeners who want to cultivate a native woodland plant in a shaded outdoor garden.

✅ Choose This Plant If...

  • You have a shaded woodland garden and want to add native plants.
  • You are interested in the unique foliage and growth habit of Mayapple.
  • You want to attract pollinators to your garden.
  • You are an experienced gardener looking for a challenging plant to grow.
  • You are interested in the historical medicinal uses of plants (with caution).

❌ Skip This Plant If...

  • You have pets or small children who might ingest the plant.
  • You do not have a suitable outdoor environment with shade and moist soil.
  • You are looking for an easy-to-grow indoor plant.
📍 Ideal Location: Shaded woodland garden or a sheltered area with dappled sunlight.
🎨 Style: Woodland, Naturalistic, Cottage Garden
🏠 Apartment Friendly: No
⚠️ All parts of the plant, except for the fully ripe fruit, contain podophyllotoxin, which is toxic to dogs, cats, and horses. Symptoms include drooling, vomiting, diarrhea, abdominal pain, and neurological signs.
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

📈

May Apple has moderate, aggressive spreader via rhizomes growth, while Purple Fountain Grass grows moderate.

💡 Pro Tips For Comparing These Plants

May Apple Care Tips

Mayapple is primarily an outdoor plant and is challenging to grow indoors. It requires specific light, humidity, and temperature conditions that are difficult to replicate indoors. Its rhizomatous growth habit also makes it unsuitable for container gardening.

  • Ensure proper drainage to prevent root rot.
  • Provide consistent moisture, especially during dry periods.
  • Protect from intense sunlight to prevent leaf scorch.
  • Monitor for pests and diseases regularly.
  • Allow foliage to die back naturally in the fall to promote healthy growth the following spring.
❄️ Winter: Dormant in winter. The foliage dies back, and the plant rests until spring. Provide a layer of mulch for insulation in colder climates.
☀️ Summer: Protect from intense sunlight to prevent leaf scorch. Ensure consistent moisture during dry periods.

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

May Apple

Common Issues: Leaf scorch, Root rot, Powdery mildew, Pest infestations (slugs, snails)
Solutions: Leaf scorch: Provide more shade. Root rot: Improve drainage and reduce watering. Powdery mildew: Improve air circulation and apply fungicide. Pests: Use appropriate pest control methods.

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

May Apple

What are the light requirements for May Apple?

May Apple requires shade to partial shade. Direct sunlight can easily scorch the leaves, leading to unsightly brown patches and stunted growth. The ideal location is under a deciduous tree canopy that provides dappled sunlight or in an area that receives morning sun only.

How do I care for May Apple?

May Apple thrives in moist, well-drained soil rich in organic matter. Plant in a shady location, as direct sunlight can scorch the leaves. Water regularly, especially during dry periods, keeping the soil consistently moist but not waterlogged. Fertilize in early spring with a balanced, slow-release fertilizer to promote healthy growth and flowering.

How do I propagate May Apple?

May Apple is best propagated by division in early spring or fall. Carefully dig up an established colony and separate the rhizomes into individual sections, ensuring each section has at least one bud or growth point. Replant the divisions in a shady location with moist, well-drained soil.

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.