Ornamental Cabbage vs Princess Tree Plant Comparison

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

Ornamental Cabbage

Ornamental Cabbage

Brassica oleracea var. acephala

VS
Princess Tree

Princess Tree

Paulownia tomentosa

Ornamental Cabbage

Ornamental Cabbage

Brassica oleracea var. acephala

Ornamental cabbage and kale are cool-season biennials grown for their colorful foliage. They are not true flowering plants, but rather bred for their rosette of leaves that intensify in color as temperatures drop. The leaves can be frilly, ruffled, or smooth, and come in shades of white, cream, pink, purple, and red. They are primarily outdoor plants, thriving in cooler temperatures. While technically edible, they are often bitter and grown for their aesthetic appeal. They are popular for fall and winter gardens, adding color when many other plants have faded. They are not naturally indoor plants and struggle without proper light and temperature conditions.

Brassicaceae Mediterranean region
✨ Features: Cold-hardy, adds vibrant color to fall and winter gardens.
📖 Read Complete Ornamental Cabbage Guide
Princess Tree

Princess Tree

Paulownia tomentosa

Paulownia tomentosa, the Princess Tree, is a deciduous tree known for its rapid growth and large, heart-shaped leaves. It can reach heights of 30-60 feet. In spring, it produces fragrant, pale purple flowers in panicles before the leaves emerge. These are followed by persistent seed capsules. While admired for its ornamental value, it's considered invasive in many regions due to its prolific seed production and ability to resprout from roots. It is primarily an outdoor tree and not suitable for indoor cultivation.

Paulowniaceae Central and Western China
✨ Features: Rapid growth, large leaves, fragrant spring flowers, persistent seed capsules.
📖 Read Complete Princess Tree Guide

Quick Plant Comparison

Feature Ornamental Cabbage Princess Tree
Light Full sun to partial shade. Requires at least 6 hours of direct sunlight daily for best color development. Full sun
Watering Every 2-3 days outdoors, less frequently indoors if attempted. Once or twice a week during the growing season, less frequently during dormancy.
Humidity 40-60% 30-50%
Temperature 4-18°C 15-27°C
Care Level Expert Expert
Growth Rate Moderate Fast
Max Height 0.3-0.45 meters (indoors unlikely to reach this height) Not applicable - unsuitable for indoor growing. Outdoors: 9-18 meters
Pet Safety ❌ Mildly Toxic ❌ Toxic To Pets
Soil Well-draining, fertile soil rich in organic matter. A mix of potting soil, compost, and perlite is suitable. Well-draining soil, adaptable to various soil types including clay, loam, and sand.
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 10 minutes weekly 1-2 hours per month, primarily for pruning and managing spread.

🔬 Botanical Information — Comparing These Plants

Ornamental Cabbage

Scientific Name Brassica oleracea var. acephala
Family Brassicaceae
Native To Mediterranean region
Also Known As Ornamental Cabbage, Flowering Kale, Ornamental Kale
Leaves Leaves are broad, rounded, and often ruffled or frilly. They come in a variety of colors, including white, cream, pink, purple, and red. The color intensifies as temperatures drop. Leaf texture can be smooth or slightly waxy.
Flowers Rarely flowers when grown as an ornamental. If it does flower, it will bolt and produce small yellow flowers in the spring, signaling the end of its ornamental life.

Princess Tree

Scientific Name Paulownia tomentosa
Family Paulowniaceae
Native To Central and Western China
Also Known As Princess Tree, Empress Tree, Foxglove Tree
Leaves The leaves are large, heart-shaped (cordate), and can reach up to 12 inches in length. They are typically a medium green color and have a slightly fuzzy texture when young.
Flowers It rarely, if ever, flowers indoors. Outdoors, it produces large panicles of fragrant, pale purple flowers in spring before the leaves emerge.

📏 Size & Growth — Plant Comparison

Ornamental Cabbage

Height 0.3-0.45 meters (indoors unlikely to reach this height)
Spread 0.3-0.45 meters
Growth Rate Moderate
Growth Pattern Grows in a rosette shape, with leaves radiating from a central stem. The leaves can be upright or spreading, depending on the variety. Does not spread aggressively.

Princess Tree

Height Not applicable - unsuitable for indoor growing. Outdoors: 9-18 meters
Spread Not applicable - unsuitable for indoor growing. Outdoors: 9-12 meters
Growth Rate Fast
Growth Pattern Upright, spreading tree with a rounded crown. It grows rapidly, often adding several feet of height per year. It can also spread through root suckers.

🌱 Propagation — Comparing Plant Growth

Ornamental Cabbage

Methods: Seed

Difficulty: Easy

Tips: Sow seeds indoors 6-8 weeks before the last expected frost or directly outdoors in late summer for fall and winter color. Provide consistent moisture and light.

Princess Tree

Methods: Seeds, root cuttings, stem cuttings

Difficulty: Moderate

Tips: For seeds, cold stratify for several weeks before sowing. Root cuttings should be taken in late winter. Stem cuttings can be taken in summer.

✨ Benefits & Features — Comparing Plant Value

Ornamental Cabbage

Ornamental cabbage and kale are unique for their vibrant colors and ruffled leaves, which intensify in cool weather. Unlike other cabbages and kales, they are primarily grown for their aesthetic appeal rather than their culinary value. Their cold hardiness makes them ideal for adding color to gardens during the fall and winter months.

  • ✓ Adds vibrant color to the garden during the fall and winter months.
  • ✓ Provides visual interest when other plants are dormant.
  • ✓ Can be used in floral arrangements.
  • ✓ Relatively low-maintenance once established.
  • ✓ Attracts beneficial insects to the garden.
  • ⚠️ Toxic to pets

Princess Tree

Its rapid growth rate and large leaves distinguish it from many other trees. The fragrant spring flowers are also a notable feature. However, its invasive nature is a significant consideration.

  • ✓ Provides shade in large outdoor spaces.
  • ✓ Offers fragrant spring flowers.
  • ✓ Attracts pollinators.
  • ✓ Provides habitat for wildlife.
  • ✓ Can be used for erosion control on slopes.
  • ⚠️ Toxic to pets

📅 Maintenance Schedule — Plant Care Comparison

Ornamental Cabbage

Repotting Not typically repotted as they are usually grown as annuals or biennials. If grown in containers, repotting may be necessary if the plant becomes root-bound.
Pruning Remove any yellowing or damaged leaves to maintain appearance and prevent disease.
Fertilizing Balanced liquid fertilizer (10-10-10) diluted to half strength, applied every 2-3 weeks during the growing season (fall and winter).
Seasonal Care Fall: Plant seedlings or seeds. Winter: Protect from extreme cold with mulch. Spring: Remove plants as temperatures rise and they begin to bolt. Summer: Not typically grown during summer due to heat sensitivity.

Princess Tree

Repotting Not applicable - unsuitable for indoor growing.
Pruning Prune in late winter or early spring to remove dead or damaged branches and shape the tree.
Fertilizing Use a balanced fertilizer (10-10-10) in early spring to promote growth. Avoid over-fertilizing.
Seasonal Care In spring, fertilize and monitor for pests. In summer, ensure adequate watering. In fall, collect seeds if desired. In winter, protect young trees from frost damage.

🌞 Light Requirements

Ornamental Cabbage

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

Low light tolerant: ❌ No

Princess Tree

Full sun

Low light tolerant: ❌ No

💧 Watering Needs

Ornamental Cabbage

Water regularly, keeping the soil consistently moist but not waterlogged. Overwatering can lead to root rot, while underwatering can cause the leaves to wilt and dry out. Check the soil moisture regularly, especially during warmer periods.

Princess Tree

Water deeply when the topsoil feels dry to the touch, especially during the growing season. Avoid overwatering, which can lead to root rot. Reduce watering in the dormant season. Signs of underwatering include wilting leaves; overwatering includes yellowing leaves and soggy soil.

🌡️ Temperature & Humidity

Ornamental Cabbage

Temperature: 4-18°C

Humidity: 40-60%

Princess Tree

Temperature: 15-27°C

Humidity: 30-50%

🤔 Which Plant Is Right For You?

Ornamental Cabbage

Ornamental Cabbage

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

Gardeners in cooler climates looking for colorful foliage in the fall and winter.

✅ Choose This Plant If...

  • You want vibrant color in your garden during the fall and winter months.
  • You live in a cooler climate where they thrive.
  • You enjoy the unique texture and form of the ruffled leaves.
  • You want a low-maintenance plant for seasonal color.
  • You are looking for a plant that can tolerate light frost.

❌ Skip This Plant If...

  • You live in a hot climate where they will quickly bolt.
  • You do not have a location with full sun.
  • You are looking for a plant that is easy to grow indoors.
📍 Ideal Location: Outdoor garden beds or containers in a sunny location.
🎨 Style: Cottagecore, Traditional, Rustic
🏠 Apartment Friendly: No
⚠️ Ornamental cabbage and kale contain glucosinolates, which can cause mild gastrointestinal upset if ingested by dogs, cats, or horses. Symptoms may include vomiting, diarrhea, and drooling. The leaves are the primary toxic part.
Princess Tree

Princess Tree

Paulownia tomentosa
Care: Expert Time: 1-2 hours per month, primarily for pruning and managing spread. Beginner: No

Landowners with large properties in non-invasive regions who appreciate fast-growing shade trees with showy spring flowers.

✅ Choose This Plant If...

  • You have a large outdoor space and want a fast-growing shade tree.
  • You appreciate fragrant spring flowers.
  • You are prepared to manage its potentially invasive nature.
  • You want a tree that can tolerate a variety of soil conditions.
  • You are looking for a tree that provides habitat for wildlife.

❌ Skip This Plant If...

  • You have a small garden or limited space.
  • You live in a region where it is considered invasive.
  • You are not prepared to manage its rapid growth and spread.
📍 Ideal Location: Large outdoor space with full sun and well-draining soil.
🎨 Style: Natural, Traditional, Cottage
🏠 Apartment Friendly: No
⚠️ According to the ASPCA, Paulownia tomentosa is toxic to horses. The toxic principle is unknown, but symptoms include blistering of the mouth and skin.

🎯 Quick Verdict

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

⚡ Key Differences Between These Plants

📈

Ornamental Cabbage has moderate growth, while Princess Tree grows fast.

💡 Pro Tips For Comparing These Plants

Ornamental Cabbage Care Tips

Ornamental cabbage and kale are primarily outdoor plants that require full sun and cool temperatures to thrive. Indoor cultivation is challenging due to the need for intense light and cool conditions. They are susceptible to pests and diseases, requiring vigilant monitoring. Success indoors is limited.

  • Plant in well-draining soil to prevent root rot.
  • Provide at least 6 hours of direct sunlight daily for best color development.
  • Water regularly, especially during dry periods.
  • Fertilize every 2-3 weeks during the growing season.
  • Protect from extreme cold with mulch.
❄️ Winter: Protect from extreme cold with a layer of mulch. Reduce watering frequency during periods of dormancy. Ensure adequate sunlight exposure.
☀️ Summer: Not typically grown during summer months due to heat sensitivity. If grown in a cooler summer climate, provide shade during the hottest part of the day and ensure adequate watering.

Princess Tree Care Tips

Paulownia tomentosa is an outdoor tree that requires full sun and well-draining soil. It is not suitable for indoor cultivation due to its size and light requirements. It is considered invasive in many areas, requiring careful management to prevent its spread.

  • Monitor for invasive spread and remove seedlings promptly.
  • Prune regularly to maintain shape and remove dead or damaged branches.
  • Water deeply during dry periods, especially when young.
  • Fertilize in early spring with a balanced fertilizer.
  • Protect young trees from strong winds.
❄️ Winter: Protect young trees from frost damage by wrapping the trunk with burlap. Reduce watering during the dormant season.
☀️ Summer: Ensure adequate watering during dry periods. Monitor for pests and diseases. Provide shade for young trees during the hottest part of the day.

⚠️ Common Problems & Solutions — Plant Care Comparison

Ornamental Cabbage

Common Issues: Aphids, cabbage worms, root rot, bolting (premature flowering)
Solutions: Aphids: Insecticidal soap or neem oil. Cabbage worms: Handpick or use Bacillus thuringiensis (Bt). Root rot: Improve drainage and reduce watering. Bolting: Plant in cooler weather and provide shade during hot periods.

Princess Tree

Common Issues: Invasive spread, susceptibility to wind damage, root rot in poorly drained soils, leaf spot diseases.
Solutions: Control spread by removing seedlings and suckers. Provide wind protection. Ensure proper drainage. Treat leaf spot with appropriate fungicide.

❓ Frequently Asked Questions — Comparing These Plants

Ornamental Cabbage

What are the light requirements for Ornamental Cabbage?

Ornamental Cabbage requires at least six hours of direct sunlight daily to develop its vibrant colors. In the fall and winter, when sunlight is less intense, a location with full sun exposure is crucial. Insufficient light can result in faded colors and leggy growth.

How do I care for Ornamental Cabbage?

Ornamental Cabbage thrives in cool weather and requires well-draining soil rich in organic matter. Plant in a location that receives at least 6 hours of sunlight daily, especially in the fall and winter when sunlight is less intense. Water regularly, keeping the soil consistently moist but not waterlogged.

How do I propagate Ornamental Cabbage?

Ornamental Cabbage is typically grown from seed, as propagation through other methods is not common.

Princess Tree

What are the light requirements for Princess Tree?

Princess Tree thrives in bright, indirect light. Insufficient light can lead to leggy growth and reduced leaf size. Place your Princess Tree near a sunny window, ideally facing east or west. If you only have a south-facing window, filter the light with a sheer curtain to prevent scorching. Rotate the plant regularly to ensure even light exposure on all sides. If natural light is limited, consider supplementing with artificial grow lights to provide the necessary light intensity. Pale leaves or slow growth can indicate insufficient light.

How do I care for Princess Tree?

To successfully grow Princess Tree indoors, provide it with bright, indirect light; direct sunlight can scorch the leaves. Water thoroughly when the top inch of soil feels dry, ensuring good drainage to prevent root rot. Maintain moderate humidity levels, especially during the winter months when indoor air tends to be drier. Fertilize regularly during the growing season (spring and summer) with a balanced liquid fertilizer diluted to half strength. Repot the plant every 1-2 years, or when it becomes root-bound, using a well-draining potting mix. Prune as needed to maintain shape and remove any dead or damaged leaves. Monitor for pests such as spider mites and aphids, and treat promptly with insecticidal soap or neem oil. Maintain stable temperatures, avoiding drastic fluctuations.

How do I propagate Princess Tree?

Princess Tree can be propagated through stem cuttings and air layering.

Last updated: May 8, 2026 — Plant care data reviewed and verified by our editorial team.