Cardinal Climber vs Hazel Plant Comparison

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

Cardinal Climber

Cardinal Climber

Ipomoea quamoclit

VS
Hazel

Hazel

Corylus avellana

Cardinal Climber

Cardinal Climber

Ipomoea quamoclit

Cardinal Climber is a fast-growing, herbaceous annual vine known for its delicate, fern-like foliage and vibrant red, star-shaped flowers. It is primarily an outdoor plant, prized for its ability to quickly cover trellises, fences, and arbors, attracting hummingbirds and butterflies. The plant's lacy leaves provide an airy texture, while its profuse blooms add a splash of color throughout the summer and fall. While it can be grown indoors, it requires very bright light and high humidity to thrive, making it a challenging houseplant. People grow it for its ornamental value and its ability to attract pollinators.

Convolvulaceae Tropical America
✨ Features: Attracts hummingbirds and butterflies
📖 Read Complete Cardinal Climber Guide
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

Quick Plant Comparison

Feature Cardinal Climber Hazel
Light Full sun (at least 6-8 hours of direct sunlight daily) Full sun to partial shade. Requires at least 6 hours of direct sunlight daily for optimal nut production.
Watering Every 2-3 days outdoors in warm weather, less frequently in cooler weather. Water deeply 1-2 times per week during the first growing season, then as needed during dry spells.
Humidity 40-60% 30-50%
Temperature 18-27°C 10-24°C
Care Level Expert Expert
Growth Rate Fast Moderate
Max Height Outdoors: 3-6 meters; Indoors (unlikely): 1-2 meters Not suitable for indoor growing. Outdoors: 3-8 meters (10-26 feet)
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining potting mix or garden soil Well-draining loam or sandy loam with a slightly acidic to neutral pH (6.0-7.5).
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 15 minutes weekly 30 minutes monthly (pruning, fertilizing, pest control)

🔬 Botanical Information — Comparing These Plants

Cardinal Climber

Scientific Name Ipomoea quamoclit
Family Convolvulaceae
Native To Tropical America
Also Known As Cardinal Climber, Cypress Vine, Star Glory, Hummingbird Vine
Leaves The leaves of Cardinal Climber are alternate, pinnately divided, and fern-like. They are typically bright green and have a delicate, lacy appearance. The individual leaflets are narrow and pointed.
Flowers Cardinal Climber produces abundant, star-shaped flowers that are typically bright red. The flowers are about 2.5 cm in diameter and have a long, tubular shape. They bloom profusely throughout the summer and fall, attracting hummingbirds and butterflies. It is unlikely to flower indoors.

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.

📏 Size & Growth — Plant Comparison

Cardinal Climber

Height Outdoors: 3-6 meters; Indoors (unlikely): 1-2 meters
Spread Outdoors: 1-2 meters; Indoors (unlikely): 0.5 meters
Growth Rate Fast
Growth Pattern Cardinal Climber is a climbing vine that twines around supports. It grows rapidly, reaching heights of 3-6 meters outdoors. It does not have tendrils or adhesive pads, relying on its stems to wrap around structures.

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.

🌱 Propagation — Comparing Plant Growth

Cardinal Climber

Methods: Seed, Stem cuttings

Difficulty: Easy

Tips: For seeds, soak them in water for 24 hours before planting. For stem cuttings, take cuttings from new growth and root them in water or moist soil.

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.

✨ Benefits & Features — Comparing Plant Value

Cardinal Climber

The Cardinal Climber is distinguished by its finely divided, fern-like leaves and bright red, star-shaped flowers. It is a vigorous climber that can quickly cover a trellis or fence, providing a beautiful and functional addition to the garden.

  • ✓ Attracts pollinators like hummingbirds and butterflies.
  • ✓ Provides quick coverage for fences and trellises.
  • ✓ Adds vibrant color to the garden.
  • ✓ Offers a delicate, fern-like texture.
  • ✓ Can be used to create a privacy screen.
  • ⚠️ Toxic to pets

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

📅 Maintenance Schedule — Plant Care Comparison

Cardinal Climber

Repotting Not applicable as it is an annual. If grown indoors, repotting may be needed annually if the plant survives.
Pruning Pinch back growing tips to encourage bushier growth. Remove dead or yellowing leaves.
Fertilizing Balanced liquid fertilizer (10-10-10) diluted to half strength, every 2-4 weeks during the growing season.
Seasonal Care In spring, sow seeds or transplant seedlings outdoors after the last frost. Provide support for climbing. In summer, water regularly and fertilize every 2-4 weeks. In fall, collect seeds for next year's planting. In winter, the plant will die back in colder climates.

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.

🌞 Light Requirements

Cardinal Climber

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

Low light tolerant: ❌ No

Hazel

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

Low light tolerant: ❌ No

💧 Watering Needs

Cardinal Climber

Water deeply when the top inch of soil feels dry to the touch. Avoid overwatering, which can lead to root rot. In hot weather, more frequent watering may be necessary. Signs of underwatering include wilting leaves and dry soil. Overwatering signs include yellowing leaves and soggy soil.

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.

🌡️ Temperature & Humidity

Cardinal Climber

Temperature: 18-27°C

Humidity: 40-60%

Hazel

Temperature: 10-24°C

Humidity: 30-50%

🤔 Which Plant Is Right For You?

Cardinal Climber

Cardinal Climber

Ipomoea quamoclit
Care: Expert Time: 15 minutes weekly Beginner: No

Gardeners looking to attract hummingbirds and butterflies to their outdoor space.

✅ Choose This Plant If...

  • You want to attract hummingbirds to your garden.
  • You need a fast-growing vine to cover a trellis or fence quickly.
  • You appreciate delicate, fern-like foliage.
  • You want a vibrant splash of red color in your garden.
  • You are willing to provide full sun and regular watering.

❌ Skip This Plant If...

  • You have pets that might ingest the plant.
  • You don't have a sunny outdoor space.
  • You are looking for a low-maintenance indoor plant.
📍 Ideal Location: Sunny outdoor garden or patio
🎨 Style: Cottage, Bohemian, Traditional
🏠 Apartment Friendly: No
⚠️ All parts of the plant, especially the seeds, contain toxic compounds that can cause gastrointestinal upset in dogs, cats, and horses. Symptoms include vomiting, diarrhea, and loss of appetite.
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.

🎯 Quick Verdict

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

⚡ Key Differences Between These Plants

📈

Cardinal Climber has fast growth, while Hazel grows moderate.

💡 Pro Tips For Comparing These Plants

Cardinal Climber Care Tips

Cardinal Climber is primarily an outdoor plant that requires full sun and well-drained soil. Indoor cultivation is challenging due to its high light and humidity requirements. It needs regular watering and fertilization during the growing season. It is toxic to pets, so caution is needed when planting outdoors.

  • Soak seeds in water for 24 hours before planting to improve germination.
  • Provide a sturdy support structure for the vine to climb.
  • Water deeply and regularly, especially during hot weather.
  • Fertilize every 2-4 weeks during the growing season.
  • Monitor for pests and diseases and treat promptly.
❄️ Winter: Cardinal Climber is an annual and will die back in colder climates. Collect seeds for next year's planting. If grown in a container, it can be brought indoors, but it is unlikely to thrive without supplemental light and humidity.
☀️ Summer: Water regularly, especially during hot weather. Fertilize every 2-4 weeks with a balanced liquid fertilizer. Provide support for climbing. Monitor for pests and diseases.

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.

⚠️ Common Problems & Solutions — Plant Care Comparison

Cardinal Climber

Common Issues: Aphids, Spider mites, Powdery mildew, Root rot
Solutions: Aphids/Spider mites: Insecticidal soap or neem oil. Powdery mildew: Improve air circulation and use a fungicide. Root rot: Ensure well-draining soil and avoid overwatering.

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.

❓ Frequently Asked Questions — Comparing These Plants

Cardinal Climber

What are the light requirements for Cardinal Climber?

Cardinal Climber requires ample sunlight to thrive and produce its vibrant red blooms. Ideally, it should receive at least six hours of direct sunlight each day. A south-facing location is usually ideal. Insufficient light can lead to leggy growth, reduced flowering, and pale foliage. If growing indoors, place the plant near a sunny window or supplement with artificial grow lights. Rotate the plant regularly to ensure even light exposure on all sides. Avoid placing the plant in overly shaded areas, as this will hinder its growth and flowering potential. Monitor the plant’s leaves for signs of insufficient light, such as stretching towards the light source or a lack of vibrant color.

How do I care for Cardinal Climber?

Cardinal Climber thrives in well-draining soil and requires regular watering, especially during dry periods. Aim to keep the soil consistently moist but not waterlogged. Provide a support structure, such as a trellis or fence, for the vine to climb. Fertilize monthly during the growing season (spring and summer) with a balanced liquid fertilizer. Prune regularly to encourage bushier growth and remove dead or yellowing foliage. Position the plant in a location that receives at least six hours of direct sunlight per day for optimal flowering. Monitor for pests, such as aphids or spider mites, and treat promptly with insecticidal soap if necessary. Ensure good air circulation around the plant to prevent fungal diseases. Repot annually in spring to refresh the soil and provide room for root growth.

How do I propagate Cardinal Climber?

Cardinal Climber can be easily propagated through stem cuttings or layering. For stem cuttings, take a 4-6 inch cutting from a healthy stem, remove the lower leaves, and place the cutting in water or moist potting mix. Keep the cutting in a warm, humid location until roots develop. For layering, bend a long stem down to the soil, bury a portion of the stem, and secure it with a rock or clip. Once roots develop from the buried stem, sever it from the parent plant and transplant it to a new location. Both methods are best performed in spring or early summer. Ensure the rooting medium remains consistently moist.

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.

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