Hazel vs Hollyhock Mallow Plant Comparison

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

Hazel

Hazel

Corylus avellana

VS
Hollyhock Mallow

Hollyhock Mallow

Malva alcea

Hazel

Hazel

Corylus avellana

Corylus avellana, or Hazel, is a deciduous shrub or small tree typically reaching 3-8 meters (10-26 feet) in height. It features multiple stems and a rounded crown. The bark is smooth and grayish-brown when young, becoming slightly fissured with age. Hazelnuts are primarily grown outdoors for their edible nuts and ornamental value. They are not naturally suited for indoor environments due to their size, light requirements, and need for seasonal dormancy. People grow them for nut production, wildlife attraction, and as a landscape feature.

Betulaceae Europe and Western Asia
✨ Features: Edible nuts, attractive foliage, provides habitat for wildlife.
📖 Read Complete Hazel Guide
Hollyhock Mallow

Hollyhock Mallow

Malva alcea

Malva alcea, commonly known as Hollyhock Mallow, is a herbaceous perennial prized for its charming, hollyhock-like flowers. Typically grown outdoors, it features upright stems reaching up to 1.5 meters tall, adorned with deeply lobed, rounded leaves. The plant produces an abundance of saucer-shaped, pink to rose-purple flowers throughout the summer. It is a popular choice for cottage gardens, borders, and wildflower meadows, attracting pollinators like bees and butterflies. While occasionally attempted indoors, it struggles due to high light requirements and space limitations.

Malvaceae Europe
✨ Features: Attracts pollinators, long blooming period, beautiful flowers
📖 Read Complete Hollyhock Mallow Guide

Quick Plant Comparison

Feature Hazel Hollyhock Mallow
Light Full sun to partial shade. Requires at least 6 hours of direct sunlight daily for optimal nut production. Full sun (at least 6-8 hours of direct sunlight daily)
Watering Water deeply 1-2 times per week during the first growing season, then as needed during dry spells. Every 7-10 days outdoors, depending on weather conditions
Humidity 30-50% 30-50%
Temperature 10-24°C 15-25°C
Care Level Expert Expert
Growth Rate Moderate Moderate
Max Height Not suitable for indoor growing. Outdoors: 3-8 meters (10-26 feet) Rarely grown indoors, outdoors can reach 1-1.5 meters
Pet Safety ❌ Toxic To Pets ✅ Safe
Soil Well-draining loam or sandy loam with a slightly acidic to neutral pH (6.0-7.5). Well-drained, moderately fertile soil
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 30 minutes monthly (pruning, fertilizing, pest control) 15 minutes weekly (deadheading, watering)

🔬 Botanical Information — Comparing These Plants

Hazel

Scientific Name Corylus avellana
Family Betulaceae
Native To Europe and Western Asia
Also Known As Hazel, Common Hazel, Filbert
Leaves The leaves are alternate, simple, ovate to rounded, 6-12 cm long and wide, with a doubly serrated margin. They are green in summer, turning yellow to bronze in the fall.
Flowers Hazel produces separate male and female flowers. The male flowers are catkins, which are long, pendulous structures that release pollen in late winter or early spring. The female flowers are small, inconspicuous buds that develop into hazelnuts.

Hollyhock Mallow

Scientific Name Malva alcea
Family Malvaceae
Native To Europe
Also Known As Hollyhock Mallow, Vervain Mallow
Leaves Deeply lobed, rounded leaves with a slightly rough texture. Typically medium green in color.
Flowers Rarely flowers indoors. Outdoors, it produces saucer-shaped, pink to rose-purple flowers in clusters along the stems during the summer.

📏 Size & Growth — Plant Comparison

Hazel

Height Not suitable for indoor growing. Outdoors: 3-8 meters (10-26 feet)
Spread Not suitable for indoor growing. Outdoors: 3-8 meters (10-26 feet)
Growth Rate Moderate
Growth Pattern Hazel grows as a multi-stemmed shrub or small tree with an upright, spreading habit. It can be pruned to maintain a more tree-like form.

Hollyhock Mallow

Height Rarely grown indoors, outdoors can reach 1-1.5 meters
Spread Outdoors can spread 0.5-1 meter
Growth Rate Moderate
Growth Pattern Upright, bushy growth habit with multiple stems arising from the base. Forms a clump over time.

🌱 Propagation — Comparing Plant Growth

Hazel

Methods: Seed, Layering, Suckers, Grafting

Difficulty: Moderate

Tips: Collect seeds in the fall and stratify them over winter. Layering is best done in spring or fall. Suckers can be dug up and transplanted. Grafting is used to propagate specific cultivars.

Hollyhock Mallow

Methods: Seed, Division, Stem cuttings

Difficulty: Easy

Tips: Sow seeds directly in the garden in spring or fall. Divide established plants in spring or fall. Take stem cuttings in late spring or early summer.

✨ Benefits & Features — Comparing Plant Value

Hazel

Hazel is known for its edible nuts, which are a valuable food source for humans and wildlife. The catkins, or male flowers, are also an attractive feature in late winter, providing early pollen for pollinators.

  • ✓ Provides edible nuts.
  • ✓ Attracts wildlife to the garden.
  • ✓ Offers shade and visual interest.
  • ✓ Can be used as a windbreak or privacy screen.
  • ✓ Supports local ecosystems.
  • ⚠️ Toxic to pets

Hollyhock Mallow

The Hollyhock Mallow is known for its long blooming period and its ability to attract pollinators. Its edible flowers add a unique touch to gardens.

  • ✓ Attracts pollinators like bees and butterflies
  • ✓ Adds beauty and color to the garden
  • ✓ Provides edible flowers for culinary use
  • ✓ Offers potential medicinal benefits
  • ✓ Relatively low-maintenance once established
  • 🐾 Pet Safe

📅 Maintenance Schedule — Plant Care Comparison

Hazel

Repotting Not applicable for outdoor trees/shrubs.
Pruning Prune in late winter or early spring to remove dead, damaged, or crossing branches. Thin out crowded branches to improve air circulation and light penetration.
Fertilizing Apply a balanced fertilizer (10-10-10) in early spring before new growth emerges. Follow package instructions for application rates.
Seasonal Care In winter, protect young trees from frost damage. In spring, fertilize and prune as needed. In summer, ensure adequate watering during dry periods. In fall, harvest nuts.

Hollyhock Mallow

Repotting Not applicable for outdoor plants. If grown in a container, repot every 2-3 years.
Pruning Deadhead spent flowers to encourage continued blooming. Cut back stems in late fall after flowering.
Fertilizing Balanced slow-release fertilizer in spring, diluted liquid fertilizer monthly during the growing season
Seasonal Care Spring: Plant seeds or divisions, fertilize. | Summer: Water regularly, deadhead spent flowers. | Fall: Collect seeds, divide plants. | Winter: Dormant, minimal watering.

🌞 Light Requirements

Hazel

Full sun to partial shade. Requires at least 6 hours of direct sunlight daily for optimal nut production.

Low light tolerant: ❌ No

Hollyhock Mallow

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

Low light tolerant: ❌ No

💧 Watering Needs

Hazel

Water deeply when planting and during dry periods, especially when young. Established trees are relatively drought-tolerant. Overwatering can lead to root rot, so ensure well-draining soil. Check soil moisture before watering.

Hollyhock Mallow

Water deeply when the top inch of soil feels dry. Avoid overwatering, which can lead to root rot. Ensure good drainage.

🌡️ Temperature & Humidity

Hazel

Temperature: 10-24°C

Humidity: 30-50%

Hollyhock Mallow

Temperature: 15-25°C

Humidity: 30-50%

🤔 Which Plant Is Right For You?

Hazel

Hazel

Corylus avellana
Care: Expert Time: 30 minutes monthly (pruning, fertilizing, pest control) Beginner: No

Gardeners with ample outdoor space who want to grow their own hazelnuts.

✅ Choose This Plant If...

  • You have a large outdoor space suitable for a tree or shrub.
  • You want to grow your own hazelnuts.
  • You want to attract wildlife to your garden.
  • You appreciate the ornamental value of the foliage.
  • You are experienced with tree and shrub care.

❌ Skip This Plant If...

  • You live in an apartment or have limited outdoor space.
  • You are looking for an indoor plant.
  • You have pets that might ingest the plant.
  • You are a beginner gardener.
📍 Ideal Location: Outdoors in a sunny location with well-draining soil.
🎨 Style: Natural, Cottage, Woodland
🏠 Apartment Friendly: No
⚠️ According to the ASPCA, Hazelnuts are toxic to dogs, cats, and horses. Symptoms include vomiting, diarrhea, and lethargy. All parts of the plant are potentially toxic.
Hollyhock Mallow

Hollyhock Mallow

Malva alcea
Care: Expert Time: 15 minutes weekly (deadheading, watering) Beginner: No

Gardeners with sunny outdoor spaces who want to attract pollinators.

✅ Choose This Plant If...

  • You have a sunny garden and want to attract pollinators.
  • You love cottage garden style plants.
  • You want a long-blooming perennial.
  • You enjoy edible flowers.
  • You want a low-maintenance outdoor plant.

❌ Skip This Plant If...

  • You only have indoor space with low light.
  • You are looking for a low-humidity plant.
  • You don't have time for regular watering during the summer.
📍 Ideal Location: Sunny garden border or wildflower meadow
🎨 Style: Cottage, Bohemian, Traditional
🏠 Apartment Friendly: No
⚠️ According to the ASPCA, members of the Malva genus are generally considered non-toxic to dogs, cats, and horses.

🎯 Quick Verdict

Best for Beginners Neither ideal
Pet Friendly Hollyhock Mallow ✓
Less Maintenance Similar effort
Apartment Friendly Check space

⚡ Key Differences Between These Plants

🌿

Both plants have similar basic care requirements but differ in appearance and specific needs. Compare plants carefully to find the best fit for your space.

💡 Pro Tips For Comparing These Plants

Hazel Care Tips

Hazel is an outdoor plant that is not suitable for indoor growing. It requires full sun, well-draining soil, and seasonal dormancy. Indoor attempts will likely fail due to insufficient light, space, and the inability to replicate natural seasonal cycles.

  • Choose disease-resistant varieties to minimize problems.
  • Provide adequate water during the first few years to establish a strong root system.
  • Protect young trees from deer and other herbivores.
  • Prune regularly to maintain shape and promote nut production.
  • Monitor for pests and diseases and treat promptly.
❄️ Winter: Protect young trees from frost damage by wrapping the trunk with burlap or tree wrap. Mulch around the base of the tree to insulate the roots.
☀️ Summer: Ensure adequate watering during dry periods, especially for young trees. Monitor for pests and diseases and treat promptly. Provide shade during extreme heat if necessary.

Hollyhock Mallow Care Tips

Hollyhock Mallow is primarily an outdoor plant. Indoor cultivation is challenging due to its high light requirements and potential for fungal diseases in enclosed environments. Requires full sun, well-drained soil, and regular watering. Not recommended for indoor growing unless you have a sunroom or greenhouse.

  • Provide full sun for optimal flowering.
  • Ensure well-drained soil to prevent root rot.
  • Deadhead spent flowers regularly to encourage more blooms.
  • Water deeply but infrequently, allowing the soil to dry slightly between waterings.
  • Apply a balanced fertilizer in spring to promote healthy growth.
❄️ Winter: In colder climates, cut back stems to near ground level after flowering. Provide a layer of mulch for added protection.
☀️ Summer: Water regularly during hot, dry periods. Deadhead spent flowers to encourage continued blooming. Monitor for pests and diseases.

⚠️ Common Problems & Solutions — Plant Care Comparison

Hazel

Common Issues: Eastern Filbert Blight, Aphids, Squirrels eating nuts
Solutions: Plant disease-resistant varieties for Eastern Filbert Blight. Use insecticidal soap for aphids. Protect nuts with netting or other barriers to deter squirrels.

Hollyhock Mallow

Common Issues: Powdery mildew, Rust, Aphids, Lack of flowering (indoors)
Solutions: Powdery mildew: Improve air circulation, apply fungicide. | Rust: Remove infected leaves, apply fungicide. | Aphids: Spray with insecticidal soap. | Lack of flowering (indoors): Provide supplemental lighting, ensure adequate nutrients.

❓ Frequently Asked Questions — Comparing These Plants

Hazel

What are the light requirements for Hazel?

Hazel trees thrive in bright, indirect light. Avoid placing them in direct sunlight, especially during the hottest parts of the day, as this can cause leaf scorch. An east-facing window is often ideal, providing gentle morning light. A north-facing window can also work if the light is bright enough. If you notice the leaves becoming pale or yellowing, it may indicate that the plant is receiving too much light. Conversely, if the plant is not growing well or the leaves are small and sparse, it may not be getting enough light. Supplementing with a grow light can be beneficial, especially during the winter months.

How do I care for Hazel?

Providing the right care is essential for a thriving indoor Hazel. Water thoroughly when the top inch of soil feels dry, ensuring proper drainage to prevent root rot. Place your Hazel in a location with bright, indirect light. Avoid direct sunlight, which can scorch the leaves. Maintain a moderate humidity level, especially during dry winter months, by misting regularly or using a humidifier. Fertilize sparingly, only during the growing season (spring and summer), with a balanced liquid fertilizer diluted to half strength. Repot your Hazel every 2-3 years, or when it becomes root-bound, into a slightly larger pot with well-draining potting mix. Prune regularly to maintain its shape and remove any dead or damaged branches. Consistent care and stable conditions are key to a happy and healthy indoor Hazel.

How do I propagate Hazel?

Hazels can be propagated through stem cuttings or air layering. For stem cuttings, take a 4-6 inch cutting from new growth in spring or early summer. Remove the lower leaves and dip the cut end in rooting hormone. Plant the cutting in a well-draining potting mix and keep it moist in a humid environment. For air layering, select a healthy stem and make a small incision. Wrap the incision with moist sphagnum moss and cover it with plastic wrap. Secure the plastic wrap with tape and check the moisture level regularly. Once roots have formed, cut the stem below the roots and plant it in a pot. Both methods require patience and consistent moisture to be successful.

Hollyhock Mallow

What are the light requirements for Hollyhock Mallow?

Hollyhock Mallow needs at least six to eight hours of direct sunlight each day to thrive and produce abundant blooms. A sunny location is crucial for healthy growth and vibrant flower color. Insufficient light can lead to leggy growth, reduced flowering, and weaker stems. When planting, choose a spot that receives full sun throughout the day. If growing in containers, rotate the plant regularly to ensure even light exposure on all sides. In hotter climates, some afternoon shade may be beneficial to prevent scorching of the leaves. Without adequate light, the plant will struggle to reach its full potential.

How do I care for Hollyhock Mallow?

Hollyhock Mallow thrives in well-draining soil and requires full sun for optimal blooming. Water deeply but infrequently, allowing the soil to dry out slightly between waterings. Fertilize regularly during the growing season with a balanced, slow-release fertilizer to encourage abundant blooms. Deadhead spent flowers to promote continuous flowering. Provide support for taller varieties to prevent them from flopping over. Hollyhock Mallow is relatively low-maintenance but benefits from regular monitoring for pests and diseases. Good air circulation is essential to prevent fungal problems. Mulch around the base of the plant to retain moisture and suppress weeds. Prune back in the fall after flowering is complete.

How do I propagate Hollyhock Mallow?

Hollyhock Mallow can be propagated by seed or division.

Last updated: April 29, 2026 — Plant care data reviewed and verified by our editorial team.