Crabapple vs Ornamental Kale Plant Comparison

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

Crabapple

Crabapple

Malus spp.

VS
Ornamental Kale

Ornamental Kale

Brassica oleracea var. acephala

Crabapple

Crabapple

Malus spp.

Crabapples are deciduous trees or shrubs known for their profuse spring blossoms and small, apple-like fruits. They range in size from small shrubs to medium-sized trees. The flowers are typically pink or white, and the fruits can be red, yellow, or green. Crabapples are primarily grown for their ornamental value, adding beauty to landscapes with their showy flowers and colorful fruits. They are not typically grown indoors due to their size and high light requirements. The fruit is edible but often tart.

Rosaceae Native to North America, Asia, and Europe
✨ Features: Beautiful spring blossoms, colorful fruit in fall and winter, attracts birds
📖 Read Complete Crabapple 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 Crabapple 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 Weekly during the growing season, less frequently during dormancy Every 2-3 days outdoors, less frequently indoors if attempted.
Humidity 30-50% 40-60%
Temperature 10-24°C 7-18°C
Care Level Expert Expert
Growth Rate Moderate Moderate
Max Height Not applicable for indoor growing. Outdoors: 6-30 feet 15-30 cm
Pet Safety ❌ Toxic To Pets ❌ Mildly Toxic
Soil Well-draining soil, slightly acidic to neutral pH 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 weekly (including watering, pruning, and pest control) 10 minutes weekly

🔬 Botanical Information — Comparing These Plants

Crabapple

Scientific Name Malus spp.
Family Rosaceae
Native To Native to North America, Asia, and Europe
Also Known As Crabapple, Wild Apple
Leaves The leaves are typically oval or elliptical, with serrated edges. They are usually green, but some varieties may have reddish or purplish foliage. The leaves are deciduous and turn yellow or reddish in the fall.
Flowers Crabapples produce abundant flowers in the spring. The flowers are typically pink or white, but some varieties may have red or purple flowers. The flowers are usually fragrant and attract pollinators.

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

Crabapple

Height Not applicable for indoor growing. Outdoors: 6-30 feet
Spread Not applicable for indoor growing. Outdoors: 6-30 feet
Growth Rate Moderate
Growth Pattern Crabapples typically grow as small to medium-sized trees with a rounded or spreading crown. Some varieties can also be shrub-like.

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

Crabapple

Methods: Seed, Grafting, Cuttings

Difficulty: Moderate

Tips: Grafting is the most reliable method for propagating specific cultivars. Take semi-hardwood cuttings in summer. Stratify seeds before planting.

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

Crabapple

Crabapples are known for their showy spring blossoms and persistent fruit that provides winter interest. They are also important pollinators for apple orchards and attract birds to the garden.

  • ✓ Provides beautiful spring blossoms.
  • ✓ Attracts birds and wildlife.
  • ✓ Offers colorful fruit in the fall and winter.
  • ✓ Can be used to make jams and jellies.
  • ✓ Provides shade in the summer.
  • ⚠️ 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

Crabapple

Repotting Not applicable for outdoor trees.
Pruning Prune in late winter or early spring to remove dead, damaged, or crossing branches. Shape the tree for optimal air circulation and sunlight penetration.
Fertilizing Balanced fertilizer (10-10-10) in early spring
Seasonal Care In spring, fertilize and prune. In summer, monitor for pests and diseases. In fall, collect fallen leaves and fruits. In winter, protect young trees from frost damage.

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

Crabapple

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

Crabapple

Water deeply when the top few inches of soil are dry. Avoid overwatering, which can lead to root rot. During the growing season, water more frequently. Reduce watering in the dormant season. Signs of overwatering include yellowing leaves and soggy soil. Underwatering is indicated by wilting leaves and dry soil.

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

Crabapple

Temperature: 10-24°C

Humidity: 30-50%

Ornamental Kale

Temperature: 7-18°C

Humidity: 40-60%

🤔 Which Plant Is Right For You?

Crabapple

Crabapple

Malus spp.
Care: Expert Time: 30 minutes weekly (including watering, pruning, and pest control) Beginner: No

Gardeners with outdoor space who want ornamental trees with spring blossoms and colorful fruit.

✅ Choose This Plant If...

  • You want a tree with beautiful spring flowers.
  • You want a tree that attracts birds to your yard.
  • You enjoy making homemade jams and jellies.
  • You have a sunny location in your yard.
  • You want a tree with year-round interest due to its fruit.

❌ Skip This Plant If...

  • You have limited outdoor space.
  • You are looking for an indoor plant.
  • You have pets that might ingest the plant.
  • You live in an area prone to apple scab or fire blight.
📍 Ideal Location: Outdoor garden or landscape with full sun exposure
🎨 Style: Traditional, Cottage, Country
🏠 Apartment Friendly: No
⚠️ According to the ASPCA, the stems, leaves, and seeds of crabapples contain cyanide and can be toxic to dogs, cats, and horses. Symptoms include dilated pupils, difficulty breathing, panting, and shock.
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

Crabapple Care Tips

Crabapples are outdoor trees and are not suitable for indoor growing. They require full sun, well-draining soil, and regular pruning. Indoor attempts will likely fail due to insufficient light and space.

  • Plant in well-draining soil to prevent root rot.
  • Prune annually to maintain shape and remove deadwood.
  • Monitor for pests and diseases regularly.
  • Fertilize in early spring with a balanced fertilizer.
  • Water deeply during dry periods.
❄️ Winter: Protect young trees from frost damage by wrapping the trunk with burlap. Water sparingly during the winter months. Remove any fallen leaves or fruits to prevent disease.
☀️ Summer: Monitor for pests and diseases regularly. Water deeply during dry periods. Mulch around the base of the tree to 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

Crabapple

Common Issues: Apple scab, Fire blight, Aphids, Japanese beetles
Solutions: Apply fungicides for apple scab and bactericides for fire blight. Use insecticidal soap for aphids and handpick Japanese beetles. Ensure good air circulation to prevent fungal diseases.

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

Crabapple

What are the light requirements for Crabapple?

Crabapple trees thrive in bright, indirect light indoors. A south-facing or east-facing window is ideal, providing ample sunlight without direct, harsh rays that can scorch leaves. If a south-facing window is too intense, diffuse the light with a sheer curtain. Insufficient light can lead to leggy growth, reduced flowering, and a lack of fruit production. Rotate the plant regularly to ensure all sides receive adequate light. During winter months, supplemental lighting may be necessary to compensate for shorter days and lower light levels. Consider using a grow light to provide additional illumination, especially if natural light is limited.

How do I care for Crabapple?

Indoor Crabapple trees require well-draining potting mix and a pot with drainage holes to prevent waterlogging. Water thoroughly when the top inch of soil feels dry, allowing excess water to drain away. Fertilize monthly during the growing season (spring and summer) with a balanced liquid fertilizer diluted to half strength. Provide bright, indirect light, ideally near a sunny window. Prune regularly to maintain shape and encourage branching. Rotate the plant periodically to ensure even growth. Maintain stable temperatures between 60-75°F (15-24°C) and avoid sudden changes. Provide adequate humidity, especially during winter months, using a humidifier or pebble tray. Repot every 2-3 years as needed, using a slightly larger container. Monitor for pests and diseases, and treat promptly if necessary.

How do I propagate Crabapple?

Crabapples can be propagated through stem cuttings or air layering.

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 1, 2026 — Plant care data reviewed and verified by our editorial team.