Hickory vs Ornamental Kale Plant Comparison

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

Hickory

Hickory

Carya spp.

VS
Ornamental Kale

Ornamental Kale

Brassica oleracea var. acephala

Hickory

Hickory

Carya spp.

Hickory trees are deciduous hardwoods known for their strong wood, edible nuts (in some species), and vibrant fall foliage. They are large trees, typically reaching heights of 60-80 feet or more, with a broad, spreading crown. The bark is often deeply furrowed and ridged, providing visual interest. Hickories are primarily outdoor trees, valued for their timber, shade, and wildlife habitat. They are not suitable for indoor cultivation due to their size and specific environmental needs. People grow them for nut production, lumber, and ornamental purposes in large landscapes.

Juglandaceae Eastern North America, Southeast Asia
✨ Features: Edible nuts (in some species), strong wood, beautiful fall foliage, provides wildlife habitat.
📖 Read Complete Hickory Guide
Ornamental Kale

Ornamental Kale

Brassica oleracea var. acephala

Ornamental kale is a cool-season biennial grown as an annual for its colorful foliage. It is not grown for consumption, though technically edible. The plant forms a rosette of broad, ruffled or frilled leaves in shades of green, purple, pink, red, and white. The vibrant colors intensify in cooler temperatures. It is primarily an outdoor plant, thriving in full sun and cool weather. People grow it for its decorative appeal in gardens, containers, and borders, providing color and texture in the fall and winter months.

Brassicaceae Mediterranean region
✨ Features: Provides vibrant color in fall and winter gardens.
📖 Read Complete Ornamental Kale Guide

Quick Plant Comparison

Feature Hickory Ornamental Kale
Light Full sun (at least 6 hours of direct sunlight per day) Full sun to partial shade. Requires at least 6 hours of direct sunlight for best color development.
Watering Water deeply 1-2 times per week during the first year, then as needed based on rainfall and soil moisture. Every 2-3 days outdoors, less frequently indoors if attempted.
Humidity 30-50% 40-60%
Temperature 10-30°C 7-18°C
Care Level Expert Expert
Growth Rate Moderate Moderate
Max Height Not applicable (outdoor tree) 15-30 cm
Pet Safety ❌ Toxic To Pets ❌ Mildly Toxic
Soil Well-drained, slightly acidic soil (pH 6.0-6.5) Well-draining potting mix rich in organic matter. A mix of garden soil, peat moss, and perlite is suitable.
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 30 minutes monthly (primarily for watering, fertilizing, and pruning) 10 minutes weekly

🔬 Botanical Information — Comparing These Plants

Hickory

Scientific Name Carya spp.
Family Juglandaceae
Native To Eastern North America, Southeast Asia
Also Known As Hickory, Pecan (some species), Shagbark Hickory, Mockernut Hickory, Pignut Hickory, Bitternut Hickory
Leaves Hickory leaves are pinnately compound, meaning they consist of multiple leaflets arranged along a central stem. The leaflets are typically ovate or lanceolate in shape, with serrated edges. The color of the leaves varies depending on the species, but they are typically green in the summer and turn yellow, orange, or red in the fall.
Flowers Hickory trees produce inconspicuous flowers in the spring. Male flowers are borne in catkins, while female flowers are borne in small clusters. Flowering is not typically a significant ornamental feature of hickory trees.

Ornamental Kale

Scientific Name Brassica oleracea var. acephala
Family Brassicaceae
Native To Mediterranean region
Also Known As Ornamental Kale, Flowering Kale, Ornamental Cabbage
Leaves The leaves are broad, ruffled, or frilled, with colors ranging from green to purple, pink, red, and white. The leaf texture is often waxy or slightly glossy.
Flowers Ornamental kale will eventually flower, especially in warmer temperatures or after a period of cold. The flowers are small, yellow, and typical of the Brassica family. Flowering (bolting) signals the end of its ornamental value.

📏 Size & Growth — Plant Comparison

Hickory

Height Not applicable (outdoor tree)
Spread Not applicable (outdoor tree)
Growth Rate Moderate
Growth Pattern Hickory trees have an upright growth habit with a strong central leader and a broad, spreading crown. They typically develop a taproot, which helps them to anchor themselves in the soil and access water deep underground.

Ornamental Kale

Height 15-30 cm
Spread 30-45 cm
Growth Rate Moderate
Growth Pattern Ornamental kale grows in a rosette shape, forming a dense cluster of leaves close to the ground. It does not spread aggressively and maintains a compact form.

🌱 Propagation — Comparing Plant Growth

Hickory

Methods: Seed, grafting

Difficulty: Difficult

Tips: Stratify seeds for several months before planting. Grafting is often used to propagate desirable cultivars.

Ornamental Kale

Methods: Seed

Difficulty: Easy

Tips: Sow seeds indoors 6-8 weeks before the last expected frost. Transplant seedlings outdoors after the danger of frost has passed.

✨ Benefits & Features — Comparing Plant Value

Hickory

Hickory trees are known for their exceptionally strong wood, which is used in a variety of applications. The nuts of some species are a valuable food source for both humans and wildlife. The bark is often deeply furrowed and ridged, providing visual interest.

  • ✓ Provides shade and reduces energy costs.
  • ✓ Enhances property value.
  • ✓ Provides habitat for wildlife.
  • ✓ Produces edible nuts (in some species).
  • ✓ Offers beautiful fall foliage.
  • ⚠️ Toxic to pets

Ornamental Kale

Ornamental kale is unique for its vibrant colors and ruffled leaves, providing a striking contrast to other fall and winter plants. Its colors intensify as temperatures drop, making it a popular choice for cool-season gardens.

  • ✓ Adds vibrant color to cool-season gardens
  • ✓ Provides visual interest during the dormant season
  • ✓ Attracts beneficial insects
  • ✓ Easy to grow outdoors in suitable climates
  • ✓ Can be used in cut flower arrangements
  • ⚠️ Toxic to pets

📅 Maintenance Schedule — Plant Care Comparison

Hickory

Repotting Not applicable (outdoor tree)
Pruning Prune young trees to establish a strong central leader. Remove dead, damaged, or crossing branches as needed.
Fertilizing Balanced fertilizer (10-10-10) in early spring, following package instructions based on tree size and age.
Seasonal Care Spring: Fertilize and monitor for pests. Summer: Water during dry periods. Fall: Enjoy the fall color and harvest nuts. Winter: Protect young trees from browsing animals.

Ornamental Kale

Repotting Not typically repotted as it is grown as an annual. If grown in a container, repotting is not necessary.
Pruning Remove yellowing or damaged leaves to maintain appearance.
Fertilizing Balanced liquid fertilizer (10-10-10) diluted to half strength. Apply every 2-3 weeks during the growing season.
Seasonal Care In fall and winter, provide protection from frost. In spring, the plant may bolt (produce flowers and seeds), signaling the end of its ornamental value. Remove spent plants.

🌞 Light Requirements

Hickory

Full sun (at least 6 hours of direct sunlight per day)

Low light tolerant: ❌ No

Ornamental Kale

Full sun to partial shade. Requires at least 6 hours of direct sunlight for best color development.

Low light tolerant: ❌ No

💧 Watering Needs

Hickory

Hickory trees require consistent watering, especially when young. Mature trees are more drought-tolerant but benefit from deep watering during extended dry periods. Overwatering can lead to root rot, so ensure the soil is well-draining. Signs of underwatering include wilting leaves and premature leaf drop. Young trees need more frequent watering than established ones.

Ornamental Kale

Water regularly, keeping the soil consistently moist but not waterlogged. Check the soil moisture by sticking your finger about an inch deep. If it feels dry, water thoroughly until water drains from the bottom of the pot. Overwatering can lead to root rot, indicated by yellowing and wilting leaves. Underwatering will cause the leaves to droop and become crispy.

🌡️ Temperature & Humidity

Hickory

Temperature: 10-30°C

Humidity: 30-50%

Ornamental Kale

Temperature: 7-18°C

Humidity: 40-60%

🤔 Which Plant Is Right For You?

Hickory

Hickory

Carya spp.
Care: Expert Time: 30 minutes monthly (primarily for watering, fertilizing, and pruning) Beginner: No

Homeowners with large properties who want shade trees, timber, or nut production.

✅ Choose This Plant If...

  • You have a large property and want a shade tree.
  • You want to harvest hickory nuts.
  • You want to attract wildlife to your yard.
  • You appreciate the beautiful fall foliage.
  • You need strong wood for various projects.

❌ Skip This Plant If...

  • You have a small yard.
  • You are looking for an indoor plant.
  • You have pets that might ingest the nuts or husks.
  • You don't want to deal with falling nuts and leaves.
  • You live in an area with poor soil drainage.
📍 Ideal Location: Large, open area with full sun and well-drained soil.
🎨 Style: Traditional, Naturalistic, Woodland
🏠 Apartment Friendly: No
⚠️ According to the ASPCA, the Black Walnut (Juglans nigra), which is in the same family as Hickory (Juglandaceae), contains juglone, which is toxic to horses and dogs. While the ASPCA does not specifically list Hickory, it is best to assume that the husks and nuts of Hickory trees may also contain juglone or similar compounds that could be harmful. Symptoms include laminitis in horses and gastrointestinal upset in dogs.
Ornamental Kale

Ornamental Kale

Brassica oleracea var. acephala
Care: Expert Time: 10 minutes weekly Beginner: No

Gardeners looking for colorful foliage in cool-season gardens and containers.

✅ Choose This Plant If...

  • You want vibrant fall and winter color in your garden.
  • You need a cool-season plant for containers.
  • You want to attract beneficial insects to your garden.
  • You enjoy experimenting with different textures and colors in your landscape.
  • You have a sunny location with well-draining soil.

❌ Skip This Plant If...

  • You live in a warm climate where it will quickly bolt.
  • You don't have a sunny outdoor space.
  • You have pets that might ingest it and experience gastrointestinal upset.
📍 Ideal Location: Outdoor gardens, containers on patios or balconies, cool greenhouses.
🎨 Style: Cottage, Traditional, Eclectic
🏠 Apartment Friendly: Limited
⚠️ Ornamental kale contains glucosinolates, which can cause gastrointestinal upset in dogs, cats, and horses if ingested in large quantities. Symptoms may include vomiting, diarrhea, and abdominal discomfort. 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

🌿

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

Hickory Care Tips

Hickory trees are not suitable for indoor cultivation. They require full sun, well-drained soil, and ample space to grow. Maintaining proper soil pH and providing adequate water and nutrients are essential for healthy growth. Pest and disease management may also be necessary.

  • Choose a hickory species that is well-suited to your local climate and soil conditions.
  • Water deeply and regularly during the first few years to establish a strong root system.
  • Protect young trees from deer and other browsing animals.
  • Prune regularly to maintain a strong central leader and remove dead or damaged branches.
  • Monitor for pests and diseases and take action promptly.
❄️ Winter: Protect young trees from browsing animals by wrapping the trunk with burlap or wire mesh. Mulch around the base of the tree to help insulate the roots and retain moisture. Avoid fertilizing in the late fall or winter, as this can stimulate new growth that is susceptible to frost damage.
☀️ Summer: Water deeply during dry periods to prevent drought stress. Monitor for pests and diseases and take action promptly. Avoid pruning during the heat of the summer, as this can stress the tree. Consider applying a layer of mulch around the base of the tree to help retain moisture and suppress weeds.

Ornamental Kale Care Tips

Ornamental kale is primarily an outdoor plant that thrives in cool weather and full sun. Growing it indoors is challenging as it requires very bright light and cool temperatures to maintain its color and form. It is susceptible to pests and diseases, and its lifespan is relatively short.

  • Plant in well-draining soil to prevent root rot.
  • Provide full sun for best color development.
  • Water regularly, especially during dry periods.
  • Fertilize every 2-3 weeks with a balanced liquid fertilizer.
  • Protect from frost in colder climates.
❄️ Winter: Protect from frost with row covers or by moving containers to a sheltered location. Reduce watering frequency during colder periods.
☀️ Summer: Ornamental kale does not thrive in hot summer temperatures. Provide shade during the hottest part of the day to prevent bolting. Ensure adequate watering to prevent stress.

⚠️ Common Problems & Solutions — Plant Care Comparison

Hickory

Common Issues: Aphids, hickory shuckworm, anthracnose, powdery mildew
Solutions: Aphids: Insecticidal soap or neem oil. Hickory shuckworm: Insecticides applied at the correct time. Anthracnose/Powdery mildew: Fungicides and improved air circulation.

Ornamental Kale

Common Issues: Aphids, Cabbage worms, Root rot, Bolting
Solutions: Aphids: Spray with insecticidal soap. Cabbage worms: Handpick or use Bacillus thuringiensis (Bt). Root rot: Improve drainage and avoid overwatering. Bolting: Provide shade and cooler temperatures.

❓ Frequently Asked Questions — Comparing These Plants

Hickory

What are the light requirements for Hickory?

Hickory trees thrive in bright, indirect light. Insufficient light can lead to leggy growth and sparse foliage. An east-facing window is often ideal, providing gentle morning light. A south-facing window can also work, but shield the plant from direct afternoon sun with a sheer curtain. If you don’t have enough natural light, consider supplementing with a grow light. Rotate the plant regularly to ensure even growth on all sides. Observe the leaves for signs of stress, such as pale color or scorching, which may indicate too much or too little light. Adjust the plant’s position accordingly. The light intensity impacts the overall health and vigor of the Hickory.

How do I care for Hickory?

Hickory trees grown indoors require bright, indirect light. Direct sunlight can scorch their leaves. Water thoroughly when the top inch of soil is dry, ensuring good drainage to prevent root rot. A well-draining potting mix is crucial. Fertilize monthly during the growing season (spring and summer) with a balanced liquid fertilizer diluted to half strength. Maintain moderate humidity. Prune regularly to maintain shape and remove any dead or damaged branches. Repot every 2-3 years as needed, increasing the pot size slightly each time. Monitor for pests and diseases, and treat promptly if necessary. Provide stable conditions, avoiding drastic temperature fluctuations. Ensure proper pot size to support the tree’s growth.

How do I propagate Hickory?

Hickory trees can be propagated through stem cuttings or air layering, although these methods can be challenging.

Ornamental Kale

What are the light requirements for Ornamental Kale?

Ornamental Kale needs at least 6 hours of direct sunlight per day to develop its best color. Insufficient light can result in leggy growth and dull foliage. When planting, choose a location that receives full sun, especially during the cooler months. In warmer climates, providing some afternoon shade can prevent the leaves from scorching. For container-grown Ornamental Kale, rotate the pot regularly to ensure even light exposure. If growing indoors, supplement with grow lights to provide adequate illumination. East-facing windows are generally suitable, but south-facing windows may require shading during the hottest part of the day.

How do I care for Ornamental Kale?

Ornamental Kale thrives in cool weather and prefers full sun to partial shade. Plant it in well-draining soil that is rich in organic matter. Water regularly, especially during dry spells, but avoid overwatering, which can lead to root rot. Fertilize every 2-3 weeks with a balanced fertilizer during the growing season to promote vibrant colors. Deadhead any yellowing or damaged leaves to maintain its appearance. Protect from pests such as aphids and cabbage worms. Ensure good air circulation to prevent fungal diseases. Monitor for signs of disease or pest infestation and treat promptly. Provide support if the plant becomes top-heavy. Adjust watering and fertilization based on weather conditions.

How do I propagate Ornamental Kale?

Ornamental Kale is typically grown from seed, but it can also be propagated through stem cuttings, although this is less common. To propagate from stem cuttings, take a 4-6 inch cutting from a healthy stem, removing the lower leaves. Dip the cut end in rooting hormone and plant in a well-draining potting mix. Keep the soil moist and provide indirect light until roots develop.

Last updated: May 9, 2026 — Plant care data reviewed and verified by our editorial team.