Mountain Mint vs Plantain Lily Plant Comparison

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

Mountain Mint

Mountain Mint

Pycnanthemum spp.

VS
Plantain Lily

Plantain Lily

Hosta spp.

Mountain Mint

Mountain Mint

Pycnanthemum spp.

Mountain Mint encompasses several species of the genus Pycnanthemum, all native to North America. These herbaceous perennials are known for their strongly aromatic foliage and clusters of tiny, densely packed white or pink flowers that attract pollinators. They typically grow to be 1-3 feet tall and spread through rhizomes. While primarily outdoor plants, they are grown for their culinary and medicinal uses, as well as for attracting beneficial insects to gardens. Their minty fragrance is released when the leaves are crushed.

Lamiaceae North America
✨ Features: Attracts pollinators (bees, butterflies), aromatic foliage, medicinal properties.
📖 Read Complete Mountain Mint Guide
Plantain Lily

Plantain Lily

Hosta spp.

Hostas, commonly known as Plantain Lilies, are herbaceous perennials prized for their attractive foliage. They are primarily grown for their diverse leaf shapes, sizes, colors (ranging from shades of green, blue, and gold), and textures. Hostas typically form clumps of leaves that emerge from rhizomes. While they do produce flowers, often lavender or white, in summer, the foliage is the main attraction. They are predominantly outdoor plants, thriving in shaded gardens. Indoor cultivation is challenging due to specific light and dormancy requirements.

Asparagaceae East Asia (China, Japan, Korea, Russia)
✨ Features: Attractive foliage with diverse colors and textures.
📖 Read Complete Plantain Lily Guide

Quick Plant Comparison

Feature Mountain Mint Plantain Lily
Light Full sun to partial shade Partial to full shade outdoors. Indoors, requires very bright, indirect light, ideally near a north-facing window or under grow lights.
Watering Every 5-7 days outdoors, less frequently if in partial shade or cooler weather. Indoor growth is not recommended. Every 7-10 days, adjust based on environmental conditions and soil moisture.
Humidity 40-60% 40-60%
Temperature 15-27°C 16-24°C
Care Level Expert Expert
Growth Rate Fast Moderate, Can Be An Aggressive Spreader Via Rhizomes Outdoors
Max Height 1-3 feet (outdoor) Indoors, typically 30-60 cm
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining soil, such as a mix of garden soil, compost, and perlite or sand. Well-draining, humus-rich soil. A mix of potting soil, peat moss, and perlite is suitable.
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 15 minutes weekly (weeding, watering, pruning) 30 minutes weekly

🔬 Botanical Information — Comparing These Plants

Mountain Mint

Scientific Name Pycnanthemum spp.
Family Lamiaceae
Native To North America
Also Known As Mountain Mint, Koellias
Leaves The leaves are lance-shaped to oval, typically 1-3 inches long, and have a grayish-green color. They are strongly aromatic when crushed, releasing a minty fragrance. The leaves are opposite and have a slightly toothed margin.
Flowers Mountain Mint produces clusters of small, densely packed white or pink flowers in the summer. The flowers are highly attractive to pollinators. It is unlikely to flower indoors.

Plantain Lily

Scientific Name Hosta spp.
Family Asparagaceae
Native To East Asia (China, Japan, Korea, Russia)
Also Known As Hosta, Plantain Lily, Funkia
Leaves Hosta leaves come in a wide range of shapes, sizes, and colors. They can be heart-shaped, lance-shaped, or oval, and range in color from shades of green, blue, and gold. Some cultivars have variegated leaves with contrasting margins. The texture can be smooth, puckered, or corrugated.
Flowers Hostas produce flowers in summer, typically on tall stalks that rise above the foliage. The flowers are usually lavender or white, and bell-shaped. Indoors, flowering is rare but possible with proper care and sufficient light.

📏 Size & Growth — Plant Comparison

Mountain Mint

Height 1-3 feet (outdoor)
Spread 1-3 feet (spreads aggressively via rhizomes)
Growth Rate Fast
Growth Pattern Mountain Mint grows upright and spreads horizontally via rhizomes, forming dense clumps or colonies. It can become quite bushy with regular pruning.

Plantain Lily

Height Indoors, typically 30-60 cm
Spread Indoors, 30-90 cm, spreads via rhizomes
Growth Rate Moderate, Can Be An Aggressive Spreader Via Rhizomes Outdoors
Growth Pattern Hostas grow in a clumping habit, with leaves emerging from rhizomes. They spread gradually over time, forming dense mounds of foliage. Outdoors, they can spread aggressively via rhizomes.

🌱 Propagation — Comparing Plant Growth

Mountain Mint

Methods: Division, Seed, Stem cuttings

Difficulty: Easy

Tips: Divide established clumps in spring or fall. Stem cuttings can be taken in late spring or early summer. Seeds can be sown directly in the garden in spring or fall.

Plantain Lily

Methods: Division, Seed

Difficulty: Easy

Tips: Division is best done in early spring or fall. Carefully separate the rhizomes, ensuring each section has roots and leaves. Plant the divisions in well-draining soil.

✨ Benefits & Features — Comparing Plant Value

Mountain Mint

Mountain Mint is known for its incredibly strong minty aroma and its ability to attract a wide variety of pollinators. The dense clusters of flowers create a visually appealing display in the garden. Its rhizomatous growth allows it to form colonies, making it an effective ground cover in certain situations.

  • ✓ Attracts beneficial pollinators to your garden
  • ✓ Provides aromatic foliage for sensory enjoyment
  • ✓ Offers potential medicinal uses (consult a professional)
  • ✓ Adds a natural, wild aesthetic to your landscape
  • ✓ Requires minimal maintenance once established
  • ⚠️ Toxic to pets

Plantain Lily

Hostas are known for their diverse foliage colors, shapes, and textures, making them a popular choice for shade gardens. Their ability to thrive in low-light conditions (outdoors) sets them apart from many other flowering perennials. The variegation in some cultivars adds visual interest.

  • ✓ Aesthetically pleasing foliage.
  • ✓ Can add a touch of nature to indoor spaces.
  • ✓ Offers a variety of colors and textures.
  • ✓ Can be a rewarding challenge for experienced gardeners.
  • ✓ Provides a sense of accomplishment when successfully grown indoors.
  • ⚠️ Toxic to pets

📅 Maintenance Schedule — Plant Care Comparison

Mountain Mint

Repotting Not applicable for outdoor planting. If attempting to grow in containers, repot annually in spring to control rhizomatous growth.
Pruning Prune regularly to control spread and maintain desired shape. Cut back after flowering to encourage bushier growth.
Fertilizing Balanced liquid fertilizer (10-10-10) diluted to half strength, applied once in early spring and again in mid-summer.
Seasonal Care In spring, divide clumps to control spread. In summer, provide adequate water during dry spells. In fall, cut back foliage after flowering. In winter, the plant will go dormant.

Plantain Lily

Repotting Every 1-2 years, or when the plant becomes root-bound. Divide the plant during repotting to control its size.
Pruning Remove dead or damaged leaves as needed. Cut back flower stalks after blooming.
Fertilizing Balanced liquid fertilizer (10-10-10) diluted to half strength, applied monthly during the growing season (spring and summer).
Seasonal Care In winter, hostas require a period of dormancy. Reduce watering and provide cooler temperatures (around 4-10°C). In spring and summer, increase watering and fertilize monthly. Protect from direct sunlight.

🌞 Light Requirements

Mountain Mint

Full sun to partial shade

Low light tolerant: ❌ No

Plantain Lily

Partial to full shade outdoors. Indoors, requires very bright, indirect light, ideally near a north-facing window or under grow lights.

Low light tolerant: ❌ No

💧 Watering Needs

Mountain Mint

Water thoroughly when the top inch of soil feels dry. Avoid overwatering, which can lead to root rot. Signs of underwatering include wilting leaves, while overwatering can cause yellowing leaves and a musty smell from the soil.

Plantain Lily

Water thoroughly when the top inch of soil feels dry. Avoid overwatering, which can lead to root rot. Ensure good drainage. Signs of overwatering include yellowing leaves and mushy stems. Underwatered hostas will have drooping, crispy leaves.

🌡️ Temperature & Humidity

Mountain Mint

Temperature: 15-27°C

Humidity: 40-60%

Plantain Lily

Temperature: 16-24°C

Humidity: 40-60%

🤔 Which Plant Is Right For You?

Mountain Mint

Mountain Mint

Pycnanthemum spp.
Care: Expert Time: 15 minutes weekly (weeding, watering, pruning) Beginner: No

Gardeners looking to attract pollinators and add a fragrant, low-maintenance plant to their outdoor space.

✅ Choose This Plant If...

  • You want to attract pollinators to your garden.
  • You enjoy fragrant foliage.
  • You have a sunny outdoor space.
  • You want a low-maintenance perennial.
  • You are interested in using the plant for culinary or medicinal purposes.

❌ Skip This Plant If...

  • You have limited outdoor space due to its aggressive spreading habit.
  • You have pets that might ingest the plant.
  • You are looking for an easy indoor plant.
  • You don't have a sunny location.
  • You dislike minty fragrances.
📍 Ideal Location: Outdoor garden, herb garden, pollinator garden.
🎨 Style: Wildflower, Cottage Garden, Naturalistic
🏠 Apartment Friendly: No
⚠️ Mountain Mint contains volatile oils that can cause gastrointestinal upset in dogs, cats, and horses. Symptoms include vomiting, diarrhea, and loss of appetite. All parts of the plant are potentially toxic.
Plantain Lily

Plantain Lily

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

Experienced gardeners willing to provide the specific conditions needed for indoor cultivation of an outdoor plant.

✅ Choose This Plant If...

  • You appreciate the diverse foliage colors and textures.
  • You are willing to provide bright, indirect light indoors.
  • You can provide a period of dormancy in winter.
  • You are prepared to repot and divide the plant regularly.
  • You enjoy the challenge of growing outdoor plants indoors.

❌ Skip This Plant If...

  • You have pets that may ingest the plant.
  • You cannot provide bright, indirect light.
  • You are looking for a low-maintenance indoor plant.
📍 Ideal Location: Near a north-facing window or under grow lights.
🎨 Style: Traditional, Cottagecore, Eclectic
🏠 Apartment Friendly: Limited
⚠️ Toxic to dogs, cats, and horses. Symptoms include vomiting, diarrhea, and depression. All parts of the plant are toxic.

🎯 Quick Verdict

Best for Beginners Neither ideal
Pet Friendly Neither - caution
Less Maintenance Similar effort
Apartment Friendly Check space

⚡ Key Differences Between These Plants

📈

Mountain Mint has fast growth, while Plantain Lily grows moderate, can be an aggressive spreader via rhizomes outdoors.

💡 Pro Tips For Comparing These Plants

Mountain Mint Care Tips

Mountain Mint is primarily an outdoor plant and is challenging to grow indoors due to its high light requirements and aggressive spreading habit. It needs full sun and well-draining soil. Regular pruning is necessary to control its spread. Indoor cultivation is not recommended.

  • Plant in full sun for best growth and flowering.
  • Divide clumps every few years to control spread and rejuvenate the plant.
  • Water deeply but infrequently, allowing the soil to dry out slightly between waterings.
  • Prune regularly to maintain shape and prevent legginess.
  • Monitor for powdery mildew and treat promptly if detected.
❄️ Winter: Cut back the foliage to the ground in late fall or early winter. The plant will go dormant and re-emerge in the spring. Mulch around the base of the plant to protect the roots from extreme cold.
☀️ Summer: Provide adequate water during dry spells. Monitor for pests and diseases. Prune regularly to maintain shape and prevent legginess.

Plantain Lily Care Tips

Hostas are primarily outdoor plants that require specific conditions to thrive indoors. They need bright, indirect light, consistent moisture, and a period of dormancy in winter. Indoor cultivation is challenging and may not be successful without careful attention to their needs. They are rhizomatous and can outgrow pots quickly.

  • Provide bright, indirect light to maintain leaf color and prevent scorching.
  • Ensure well-draining soil to prevent root rot.
  • Water thoroughly when the top inch of soil feels dry.
  • Fertilize monthly during the growing season with a balanced liquid fertilizer.
  • Provide a period of dormancy in winter by reducing watering and providing cooler temperatures.
❄️ Winter: Reduce watering significantly during winter. Provide cooler temperatures (around 4-10°C) to induce dormancy. Avoid fertilizing. Place in a less brightly lit area.
☀️ Summer: Increase watering during the growing season. Fertilize monthly with a balanced liquid fertilizer. Protect from direct sunlight to prevent leaf scorch. Ensure good air circulation.

⚠️ Common Problems & Solutions — Plant Care Comparison

Mountain Mint

Common Issues: Powdery mildew, Root rot, Aggressive spreading
Solutions: Ensure good air circulation to prevent powdery mildew. Use well-draining soil and avoid overwatering to prevent root rot. Contain spread by planting in a raised bed or using barriers.

Plantain Lily

Common Issues: Slugs and snails, root rot, leaf scorch
Solutions: Use slug and snail bait or handpick them off the plants. Ensure good drainage to prevent root rot. Avoid direct sunlight to prevent leaf scorch. Provide adequate humidity.

❓ Frequently Asked Questions — Comparing These Plants

Mountain Mint

What are the light requirements for Mountain Mint?

Mountain Mint requires ample sunlight to thrive and produce abundant blooms. Aim for at least 6 hours of direct sunlight per day. In hotter climates, provide some afternoon shade to prevent leaf scorch. If growing indoors, place your Mountain Mint near a sunny window, such as a south-facing or east-facing window. Rotate the plant regularly to ensure even light exposure on all sides. Insufficient light can result in leggy growth, reduced blooming, and pale foliage. If natural light is insufficient, supplement with artificial grow lights. The ideal light intensity for Mountain Mint is between 2000-3000 foot-candles. Monitor the plant’s foliage for signs of light stress, such as yellowing or browning leaves.

How do I care for Mountain Mint?

Mountain Mint thrives in full sun to partial shade, requiring at least 6 hours of sunlight daily for optimal blooming. Water regularly, especially during dry spells, ensuring the soil remains consistently moist but not waterlogged. Well-draining soil is crucial to prevent root rot. Fertilize in spring with a balanced fertilizer to promote healthy growth and abundant blooms. Prune regularly to maintain shape and encourage bushier growth. Deadhead spent flowers to prolong the blooming period. Provide adequate air circulation to prevent fungal diseases. Monitor for pests such as aphids or spider mites and treat as needed. In colder climates, mulch around the base of the plant to protect the roots during winter. Propagate through division, stem cuttings, or seeds. Repot in spring every 1-2 years. The ideal humidity is moderate, around 40-60%. Provide fertilizer specifically for blooming plants to enhance flower production.

How do I propagate Mountain Mint?

Mountain Mint can be easily propagated through division, stem cuttings, or seeds. For division, carefully dig up an established plant and divide the root ball into smaller sections, ensuring each section has healthy roots and shoots. Repot the divisions into separate pots or plant directly into the garden. For stem cuttings, take 4-6 inch cuttings from healthy stems, 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 until roots develop. For seeds, sow seeds indoors 6-8 weeks before the last frost. Keep the soil moist and provide bright, indirect light.

Plantain Lily

What are the light requirements for Plantain Lily?

Plantain Lilies flourish in bright, indirect light. Too much direct sunlight can cause their delicate leaves to burn, leading to unsightly brown spots. An east-facing window is often ideal, providing gentle morning light. A north-facing window can also work, though growth may be slower.

How do I care for Plantain Lily?

Plantain Lilies thrive in bright, indirect light. Avoid direct sunlight, which can scorch their leaves. Water thoroughly when the top inch of soil feels dry to the touch, ensuring proper drainage to prevent root rot. Maintain high humidity levels by misting regularly or using a humidifier.

How do I propagate Plantain Lily?

Plantain Lilies can be propagated through stem cuttings, division, or air layering. For stem cuttings, take a cutting with at least two nodes, dip it in rooting hormone, and plant it in moist potting mix. Keep the cutting in a humid environment until roots develop.

Last updated: May 6, 2026 — Plant care data reviewed and verified by our editorial team.