Calla Lily vs Mountain Mint Plant Comparison

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

Calla Lily

Calla Lily

Zantedeschia aethiopica

VS
Mountain Mint

Mountain Mint

Pycnanthemum spp.

Calla Lily

Calla Lily

Zantedeschia aethiopica

Calla Lilies are rhizomatous herbaceous perennials known for their elegant, trumpet-shaped spathes (often mistaken for petals) that surround a central spadix. While often grown outdoors in gardens, they can be cultivated indoors with proper care. They typically reach a height of 1-3 feet. The plant features large, arrow-shaped, glossy green leaves. People grow them for their striking flowers, which come in various colors, including white, yellow, pink, and purple. They are popular as cut flowers and ornamental plants.

Araceae South Africa
✨ Features: Elegant flowers, attractive foliage
📖 Read Complete Calla Lily Guide
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

Quick Plant Comparison

Feature Calla Lily Mountain Mint
Light Bright, indirect light. Avoid direct sunlight, which can scorch the leaves. Full sun to partial shade
Watering Every 5-7 days during the growing season, less frequently during dormancy. Every 5-7 days outdoors, less frequently if in partial shade or cooler weather. Indoor growth is not recommended.
Humidity 40-60% 40-60%
Temperature 18-24°C 15-27°C
Care Level Moderate Expert
Growth Rate Moderate Fast
Max Height 0.3-0.9 meters 1-3 feet (outdoor)
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining potting mix rich in organic matter. A mix of peat moss, perlite, and vermiculite is suitable. Well-draining soil, such as a mix of garden soil, compost, and perlite or sand.
Beginner Friendly With Caution ❌ No
Weekly Maintenance 10 minutes weekly 15 minutes weekly (weeding, watering, pruning)

🔬 Botanical Information — Comparing These Plants

Calla Lily

Scientific Name Zantedeschia aethiopica
Family Araceae
Native To South Africa
Also Known As Calla Lily, Arum Lily
Leaves Large, arrow-shaped or heart-shaped, glossy green leaves. They are typically 15-45 cm long and 10-25 cm wide. The leaves are smooth and have a slightly waxy texture.
Flowers Can flower indoors with sufficient light and proper care. The 'flower' is a spathe, a modified leaf, that surrounds a central spadix. Spathes come in various colors, including white, yellow, pink, and purple.

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.

📏 Size & Growth — Plant Comparison

Calla Lily

Height 0.3-0.9 meters
Spread 0.3-0.6 meters
Growth Rate Moderate
Growth Pattern Grows upright from rhizomes, producing clumps of arrow-shaped leaves and elegant, trumpet-shaped spathes. It is not a vining or trailing plant.

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.

🌱 Propagation — Comparing Plant Growth

Calla Lily

Methods: Division, Seed

Difficulty: Moderate

Tips: Divide rhizomes in early spring before the growing season begins. Ensure each division has at least one eye (bud). Plant the divisions in well-draining soil. Seeds can be sown in spring, but germination can be slow and inconsistent.

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.

✨ Benefits & Features — Comparing Plant Value

Calla Lily

The Calla Lily's 'flower' is actually a modified leaf called a spathe, making it visually striking and unique. It comes in a variety of colors, adding versatility to its aesthetic appeal. Its elegant form makes it a popular choice for bouquets and floral arrangements.

  • ✓ Adds a touch of elegance to any room
  • ✓ Provides beautiful cut flowers
  • ✓ Relatively easy to propagate
  • ✓ Can improve indoor air quality by removing some toxins (though not a significant air purifier)
  • ✓ Offers a calming and aesthetically pleasing presence
  • ⚠️ Toxic to pets

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

📅 Maintenance Schedule — Plant Care Comparison

Calla Lily

Repotting Every 1-2 years in spring, or when the plant becomes root-bound.
Pruning Remove yellow or brown leaves as needed. Cut back spent flower stalks to encourage new growth.
Fertilizing Balanced liquid fertilizer (20-20-20) diluted to half strength every 2-4 weeks during the growing season.
Seasonal Care In spring and summer, provide regular watering and fertilization. In fall and winter, reduce watering and allow the plant to enter dormancy. Provide cooler temperatures during dormancy to encourage flowering in the next growing season.

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.

🌞 Light Requirements

Calla Lily

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

Low light tolerant: ❌ No

Mountain Mint

Full sun to partial shade

Low light tolerant: ❌ No

💧 Watering Needs

Calla Lily

Keep the soil consistently moist during the growing season (spring and summer), but not waterlogged. Allow the top inch of soil to dry out slightly between waterings. Reduce watering in the fall and winter when the plant is dormant. Overwatering can lead to root rot, indicated by yellowing leaves and a musty smell. Underwatering results in drooping leaves and dry soil.

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.

🌡️ Temperature & Humidity

Calla Lily

Temperature: 18-24°C

Humidity: 40-60%

Mountain Mint

Temperature: 15-27°C

Humidity: 40-60%

🤔 Which Plant Is Right For You?

Calla Lily

Calla Lily

Zantedeschia aethiopica
Care: Moderate Time: 10 minutes weekly Beginner: With-caution

Someone who appreciates elegant flowers and is willing to provide the necessary light and humidity.

✅ Choose This Plant If...

  • You love elegant, trumpet-shaped flowers.
  • You can provide bright, indirect light.
  • You are willing to monitor soil moisture carefully.
  • You appreciate plants with attractive foliage even when not in bloom.
  • You want a plant that can be used as a cut flower.

❌ Skip This Plant If...

  • You have pets that might ingest the plant.
  • You struggle with overwatering plants.
  • You cannot provide bright, indirect light.
  • You prefer low-maintenance plants.
📍 Ideal Location: Near an east- or west-facing window in a bright room.
🎨 Style: Modern, Elegant, Traditional
🏠 Apartment Friendly: Yes
⚠️ Toxic to dogs, cats, and horses. Contains insoluble calcium oxalates. Chewing or biting into this plant releases these crystals causing tissue irritation to the mouth and GI tract. Symptoms include oral irritation, excessive drooling, vomiting, and difficulty swallowing.
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.

🎯 Quick Verdict

Best for Beginners Neither ideal
Pet Friendly Neither - caution
Less Maintenance Similar effort
Apartment Friendly Calla Lily

⚡ Key Differences Between These Plants

🎯

Calla Lily is rated Moderate care level, while Mountain Mint is Expert.

📈

Calla Lily has moderate growth, while Mountain Mint grows fast.

💡 Pro Tips For Comparing These Plants

Calla Lily Care Tips

Calla Lilies require bright, indirect light and consistently moist soil during the growing season. They need a period of dormancy in the fall and winter with reduced watering. While they can be grown indoors, providing adequate light and humidity can be challenging. Regular fertilization during the growing season is essential for healthy growth and flowering.

  • Provide a well-draining potting mix to prevent root rot.
  • Allow the top inch of soil to dry out slightly between waterings.
  • Fertilize regularly during the growing season with a balanced liquid fertilizer.
  • Provide bright, indirect light to encourage flowering.
  • Allow the plant to enter dormancy in the fall and winter by reducing watering.
❄️ Winter: Reduce watering significantly as the plant enters dormancy. Provide cooler temperatures (around 13-16°C) to encourage flowering in the next growing season. Avoid fertilizing during dormancy.
☀️ Summer: Provide regular watering and fertilization during the growing season. Protect the plant from direct sunlight, which can scorch the leaves. Ensure adequate humidity.

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.

⚠️ Common Problems & Solutions — Plant Care Comparison

Calla Lily

Common Issues: Root rot, Aphids, Spider mites, Yellowing leaves
Solutions: Root rot: Ensure well-draining soil and avoid overwatering. Remove affected roots and repot in fresh soil.|Aphids: Wash off with a strong stream of water or use insecticidal soap.|Spider mites: Increase humidity and treat with insecticidal soap or neem oil.|Yellowing leaves: Check for overwatering, underwatering, or nutrient deficiencies. Adjust watering and fertilizing accordingly.

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.

❓ Frequently Asked Questions — Comparing These Plants

Calla Lily

What are the light requirements for Calla Lily?

Calla Lilies need bright, indirect light to thrive. Insufficient light can result in fewer blooms and leggy growth. An east-facing window is ideal, providing gentle morning light. If placed in a south or west-facing window, filter the light with a sheer curtain to prevent scorching. Rotate the plant regularly to ensure even light exposure on all sides. Avoid placing Calla Lilies in dark corners or areas with minimal light, as this will negatively impact their growth and flowering. During winter months, when light is limited, consider supplementing with a grow light to ensure adequate light levels.

How do I care for Calla Lily?

Calla Lilies thrive in bright, indirect light; avoid direct sunlight to prevent leaf scorch. Water thoroughly when the top inch of soil feels dry, ensuring good drainage to prevent root rot. Maintain humidity by misting the plant regularly or using a humidifier. Fertilize monthly during the growing season (spring and summer) with a balanced liquid fertilizer diluted to half strength to encourage blooming. Reduce watering and stop fertilizing in the fall and winter as the plant enters dormancy. Repot every one to two years in spring, using a well-draining potting mix. Prune away any yellowing or dead leaves to maintain the plant’s health and appearance. Provide a temperature between 60-75°F (15-24°C) for optimal growth.

How do I propagate Calla Lily?

Calla Lilies can be propagated through division, stem cuttings, and keiki (small plantlets). For division, carefully separate rhizomes when repotting, ensuring each section has roots and at least one eye. Plant each division in its own pot with well-draining soil. For stem cuttings, take a cutting from a healthy stem and place it in water until roots develop, then plant in soil. Keiki can be removed when they have developed roots and planted separately. Maintain humidity and provide bright, indirect light for successful propagation. Ensure proper drainage to prevent rot.

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.

Last updated: May 14, 2026 — Plant care data reviewed and verified by our editorial team.