Balloon Flower vs Peppermint Plant Comparison

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

Balloon Flower

Balloon Flower

Platycodon grandiflorus

VS
Peppermint

Peppermint

Mentha × piperita

Balloon Flower

Balloon Flower

Platycodon grandiflorus

Platycodon grandiflorus, commonly known as Balloon Flower, is a herbaceous perennial prized for its distinctive balloon-shaped flower buds that open into star-shaped, bell-like flowers. Typically grown outdoors in gardens, it reaches a height of 1 to 3 feet. The plant features blue, pink, or white flowers, blooming in summer. While it can be grown indoors, it requires very bright light and careful attention to watering. People grow it for its unique flower shape and long-lasting blooms in borders, cottage gardens, and cut flower arrangements.

Campanulaceae East Asia (China, Korea, Japan)
✨ Features: Unique balloon-shaped buds, long-lasting blooms, edible roots (in some cultures, but not recommended due to toxicity to pets).
📖 Read Complete Balloon Flower Guide
Peppermint

Peppermint

Mentha × piperita

Peppermint is a perennial herb resulting from a natural cross between watermint (Mentha aquatica) and spearmint (Mentha spicata). It features square stems and dark green, lance-shaped leaves with serrated edges. It's known for its strong, refreshing aroma and flavor due to the presence of menthol. While it can be grown indoors, it thrives outdoors in gardens or containers. People grow it for its culinary uses, medicinal properties, and aromatic qualities. Peppermint spreads via rhizomes and can become invasive if not contained.

Lamiaceae Europe (hybrid origin)
✨ Features: Aromatic leaves, medicinal properties, culinary uses
📖 Read Complete Peppermint Guide

Quick Plant Comparison

Feature Balloon Flower Peppermint
Light Full sun to partial shade outdoors; requires very bright, direct light indoors (south-facing window). Full sun to partial shade
Watering Every 7-10 days outdoors during the growing season; less frequently indoors and in winter. Every 2-3 days outdoors in warm weather; every 5-7 days indoors.
Humidity 40-60% 40-60%
Temperature 18-24°C 18-24°C
Care Level Expert Moderate
Growth Rate Moderate Fast
Max Height 0.3-0.9 meters (1-3 feet) outdoors; smaller indoors, typically 0.3-0.6 meters (1-2 feet) 30-60 cm
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining, loamy soil with a slightly acidic to neutral pH (6.0-7.0). Well-draining, loamy soil
Beginner Friendly ❌ No With Caution
Weekly Maintenance 15 minutes weekly (outdoors); 30 minutes weekly (indoors due to increased monitoring). 10 minutes weekly

🔬 Botanical Information — Comparing These Plants

Balloon Flower

Scientific Name Platycodon grandiflorus
Family Campanulaceae
Native To East Asia (China, Korea, Japan)
Also Known As Balloon Flower, Chinese Bellflower
Leaves The leaves are lance-shaped to oval, with toothed edges. They are typically blue-green in color and have a slightly waxy texture. Leaves are arranged oppositely or in whorls along the stem.
Flowers It can flower indoors if provided with very bright, direct sunlight, but it is less likely to flower as profusely as it does outdoors. The flowers are bell-shaped with five pointed lobes, typically blue, pink, or white.

Peppermint

Scientific Name Mentha × piperita
Family Lamiaceae
Native To Europe (hybrid origin)
Also Known As Peppermint, Balm Mint, Brandy Mint
Leaves The leaves are lance-shaped, typically 5-9 cm long and 1.5-3 cm wide, with serrated edges. They are dark green in color and have a slightly fuzzy texture. The leaves are highly aromatic, releasing a strong minty scent when crushed.
Flowers Peppermint can flower indoors, but it is less common than outdoors. The flowers are small, lavender or purple in color, and arranged in whorls around the stem. Flowering can reduce the flavor of the leaves, so pinching off the flower buds is recommended.

📏 Size & Growth — Plant Comparison

Balloon Flower

Height 0.3-0.9 meters (1-3 feet) outdoors; smaller indoors, typically 0.3-0.6 meters (1-2 feet)
Spread 0.3-0.6 meters (1-2 feet)
Growth Rate Moderate
Growth Pattern Upright, herbaceous perennial with branching stems. It forms a clump and can spread slowly over time.

Peppermint

Height 30-60 cm
Spread Spreads indefinitely via rhizomes if not contained.
Growth Rate Fast
Growth Pattern Peppermint grows upright with square stems and spreads aggressively via underground rhizomes. It can quickly fill a garden bed if not contained, sending up new shoots from the rhizomes.

🌱 Propagation — Comparing Plant Growth

Balloon Flower

Methods: Seed, Division, Root cuttings

Difficulty: Moderate

Tips: Sow seeds indoors 6-8 weeks before the last frost. Divide established clumps in spring or fall. Root cuttings can be taken in late fall or early winter.

Peppermint

Methods: Stem cuttings, Division, Rhizome cuttings, Seed (though hybrid seeds may not be true to type)

Difficulty: Easy

Tips: Take stem cuttings in spring or summer and root them in water or directly in soil. Division is best done in spring or fall. Ensure rhizome cuttings have nodes.

✨ Benefits & Features — Comparing Plant Value

Balloon Flower

The most distinctive feature is the balloon-like bud that inflates before opening into a star-shaped flower. The plant also has edible roots in some cultures, but this is not recommended due to toxicity to pets.

  • ✓ Aesthetically pleasing with unique flower shape.
  • ✓ Attracts pollinators to the garden.
  • ✓ Provides long-lasting blooms.
  • ✓ Adds visual interest to borders and flower beds.
  • ✓ Can be used in cut flower arrangements.
  • ⚠️ Toxic to pets

Peppermint

Peppermint's distinct flavor and aroma come from its high menthol content, a characteristic inherited from its parent plants. It is a hybrid species, meaning it's a cross between two different species, and its seeds may not produce plants identical to the parent.

  • ✓ Fresh mint for teas and cooking
  • ✓ Aromatic leaves that can freshen a room
  • ✓ Potential medicinal benefits (digestive aid)
  • ✓ Easy to propagate
  • ✓ Attractive foliage
  • ⚠️ Toxic to pets

📅 Maintenance Schedule — Plant Care Comparison

Balloon Flower

Repotting Not typically repotted if grown outdoors. If grown indoors, repot every 2-3 years in spring.
Pruning Deadhead spent flowers to encourage more blooms. Cut back stems to the ground in late fall after foliage dies back.
Fertilizing Balanced liquid fertilizer (10-10-10) diluted to half strength, every 4-6 weeks during the growing season.
Seasonal Care Spring: Plant outdoors after the last frost. Summer: Provide regular watering and fertilization. Fall: Divide established clumps. Winter: Reduce watering and provide protection from frost.

Peppermint

Repotting Every 1-2 years, or more frequently if the plant becomes root-bound or the soil is depleted. Divide the plant during repotting to control its spread.
Pruning Regularly prune to encourage bushier growth and prevent flowering (flowering can reduce leaf flavor).
Fertilizing Balanced liquid fertilizer (10-10-10) diluted to half strength, every 4-6 weeks during the growing season (spring and summer).
Seasonal Care In winter, reduce watering and protect from frost. In summer, provide ample water and partial shade during the hottest part of the day.

🌞 Light Requirements

Balloon Flower

Full sun to partial shade outdoors; requires very bright, direct light indoors (south-facing window).

Low light tolerant: ❌ No

Peppermint

Full sun to partial shade

Low light tolerant: ❌ No

💧 Watering Needs

Balloon Flower

Water thoroughly when the top inch of soil feels dry. Avoid overwatering, which can lead to root rot. Ensure good drainage. Reduce watering frequency during dormancy in winter. Signs of overwatering include yellowing leaves and soggy soil. Underwatering results in wilting and dry, crispy leaves.

Peppermint

Keep the soil consistently moist but not waterlogged. Water when the top inch of soil feels dry to the touch. Overwatering can lead to root rot, while underwatering can cause wilting and leaf drop.

🌡️ Temperature & Humidity

Balloon Flower

Temperature: 18-24°C

Humidity: 40-60%

Peppermint

Temperature: 18-24°C

Humidity: 40-60%

🤔 Which Plant Is Right For You?

Balloon Flower

Balloon Flower

Platycodon grandiflorus
Care: Expert Time: 15 minutes weekly (outdoors); 30 minutes weekly (indoors due to increased monitoring). Beginner: No

Experienced gardeners who want a unique flowering plant for their outdoor garden, or those willing to provide very bright light for indoor cultivation.

✅ Choose This Plant If...

  • You want a unique and interesting flower shape in your garden.
  • You enjoy long-lasting blooms throughout the summer.
  • You have a sunny garden space where it can thrive.
  • You are an experienced gardener looking for a new challenge.
  • You want to attract pollinators to your garden.

❌ Skip This Plant If...

  • You have pets that might ingest the plant.
  • You don't have a very sunny location.
  • You are a beginner gardener looking for an easy-care plant.
📍 Ideal Location: Outdoors: Sunny garden bed or border. Indoors: South-facing window with direct sunlight.
🎨 Style: Cottage, Traditional, Asian-inspired
🏠 Apartment Friendly: Limited
⚠️ The ASPCA lists Platycodon grandiflorus as toxic to dogs, cats, and horses. Symptoms include gastrointestinal upset (vomiting, diarrhea). All parts of the plant are considered toxic.
Peppermint

Peppermint

Mentha × piperita
Care: Moderate Time: 10 minutes weekly Beginner: With-caution

Gardeners who enjoy fresh herbs and have a sunny outdoor space or a very bright indoor location.

✅ Choose This Plant If...

  • You want a readily available source of fresh mint for teas and culinary uses.
  • You enjoy the strong, refreshing aroma of peppermint.
  • You have a sunny outdoor space or a very bright indoor location.
  • You want a plant with potential medicinal benefits.
  • You are prepared to manage its aggressive spreading habit.

❌ Skip This Plant If...

  • You have pets that might ingest it.
  • You don't have a sunny location.
  • You are not prepared to contain its aggressive spreading habit.
📍 Ideal Location: Sunny windowsill indoors, herb garden outdoors
🎨 Style: Cottage, Herb Garden, Naturalistic
🏠 Apartment Friendly: Limited
⚠️ Toxic to dogs, cats, and horses. Symptoms include vomiting, diarrhea, weakness, and incoordination. The essential oils are particularly concentrated and dangerous.

🎯 Quick Verdict

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

⚡ Key Differences Between These Plants

🎯

Balloon Flower is rated Expert care level, while Peppermint is Moderate.

📈

Balloon Flower has moderate growth, while Peppermint grows fast.

💡 Pro Tips For Comparing These Plants

Balloon Flower Care Tips

Balloon Flower is primarily an outdoor plant. Indoor cultivation is challenging due to its high light requirements. It needs very bright, direct sunlight and well-draining soil. Overwatering is a common problem indoors. Regular fertilization is needed during the growing season. It may not flower indoors.

  • Provide well-draining soil to prevent root rot.
  • Deadhead spent flowers to encourage more blooms.
  • Protect from strong winds.
  • Fertilize regularly during the growing season.
  • Monitor for pests and diseases.
❄️ Winter: Reduce watering significantly during winter dormancy. Protect outdoor plants from frost with a layer of mulch. Indoor plants should be kept in a cool location with bright light.
☀️ Summer: Provide regular watering during hot summer months. Fertilize every 4-6 weeks. Deadhead spent flowers to encourage continuous blooming. Monitor for pests and diseases.

Peppermint Care Tips

Peppermint is relatively easy to grow outdoors with sufficient sunlight and moisture. Indoors, providing enough light is crucial. It spreads aggressively, so container planting is recommended. Watch out for pests and diseases. Toxicity to pets is a major concern.

  • Provide at least 6 hours of sunlight daily for optimal growth and flavor.
  • Water thoroughly when the top inch of soil is dry.
  • Fertilize regularly during the growing season.
  • Pinch off flower buds to encourage leaf production.
  • Contain the plant in a pot to prevent aggressive spreading.
❄️ Winter: Reduce watering frequency during the winter months as the plant's growth slows down. Ensure the plant is protected from frost if grown outdoors. If grown indoors, maintain adequate light levels.
☀️ Summer: Provide ample water during the hot summer months, especially if grown outdoors. Partial shade during the hottest part of the day can prevent leaf scorch. Regular harvesting of leaves will encourage new growth.

⚠️ Common Problems & Solutions — Plant Care Comparison

Balloon Flower

Common Issues: Root rot, Powdery mildew, Aphids, Lack of flowering (indoors)
Solutions: Root rot: Ensure well-draining soil and avoid overwatering. Powdery mildew: Improve air circulation and treat with a fungicide. Aphids: Spray with insecticidal soap. Lack of flowering: Provide sufficient light and fertilizer.

Peppermint

Common Issues: Spider mites, Aphids, Root rot, Powdery mildew
Solutions: Spider mites/Aphids: Insecticidal soap or neem oil. Root rot: Improve drainage and reduce watering. Powdery mildew: Improve air circulation and use a fungicide.

❓ Frequently Asked Questions — Comparing These Plants

Balloon Flower

What are the light requirements for Balloon Flower?

Balloon Flowers thrive best in full sun, requiring at least six hours of direct sunlight each day. However, in hotter climates, they appreciate some afternoon shade to prevent scorching. Insufficient light can lead to leggy growth, fewer blooms, and weaker stems. When grown indoors, place the plant near a sunny window, preferably facing south or west.

How do I care for Balloon Flower?

Balloon Flower thrives in well-draining soil and requires full sun to partial shade, ideally receiving at least six hours of sunlight daily. Water thoroughly when the top inch of soil feels dry, avoiding overwatering which can lead to root rot. Fertilize every 4-6 weeks during the growing season (spring and summer) with a balanced fertilizer or one formulated for blooming plants.

How do I propagate Balloon Flower?

Balloon Flower can be propagated by division, stem cuttings, and from seed, though seed propagation results in long wait times.

Peppermint

What are the light requirements for Peppermint?

Peppermint thrives best in bright, indirect light. While it can tolerate some direct sunlight, excessive exposure can scorch its leaves. Aim for at least 6-8 hours of indirect sunlight per day. An east-facing window is often ideal, providing gentle morning sun. West-facing windows can also work, but be mindful of the intensity of the afternoon sun, especially during the hottest months. If growing indoors, consider supplementing with grow lights if natural light is insufficient. Insufficient light can lead to leggy growth and reduced flowering. Rotate the plant regularly to ensure even light exposure on all sides. If leaves start to turn pale or yellow, it might be a sign of too much direct sunlight. Conversely, if the plant is not flowering or the stems are weak, it may not be receiving enough light.

How do I care for Peppermint?

Peppermint thrives with proper care. Provide bright, indirect light, ideally 6-8 hours daily. Water when the top inch of soil feels dry, ensuring good drainage to prevent root rot. Maintain moderate humidity levels, around 40-60%. Fertilize monthly during the growing season (spring and summer) with a balanced liquid fertilizer diluted to half strength, choosing a fertilizer higher in phosphorus to encourage blooming. Prune regularly to encourage bushier growth and prevent legginess. Use well-draining potting mix. Peppermint prefers temperatures between 60-75°F (15-24°C). Monitor for pests like aphids and spider mites, and treat promptly. Repot annually in the spring to refresh the soil and provide room for growth. During the winter, reduce watering and fertilization as the plant’s growth slows down. Place in an area with good air circulation to prevent fungal diseases. Ensure proper drainage to avoid waterlogged roots.

How do I propagate Peppermint?

Peppermint is easily propagated through several methods. Division involves separating the plant’s root system into smaller sections, each with stems and roots, and replanting them. Stem cuttings are another effective method. Take a 4-6 inch cutting from a healthy stem, remove the lower leaves, and place the cutting in water or moist soil. Roots should develop within a few weeks. Keiki propagation, while less common in Peppermint, refers to the growth of small plantlets on the stems. These plantlets can be carefully removed and potted once they have developed roots. Regardless of the method, ensure the new plants receive adequate light, moisture, and warmth to encourage successful growth. Use a well-draining potting mix and avoid overwatering to prevent root rot.

Last updated: April 30, 2026 — Plant care data reviewed and verified by our editorial team.