Asparagus Fern vs Princess Tree Plant Comparison

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

Asparagus Fern

Asparagus Fern

Asparagus setaceus

VS
Princess Tree

Princess Tree

Paulownia tomentosa

Asparagus Fern

Asparagus Fern

Asparagus setaceus

Asparagus setaceus, commonly called Asparagus Fern, is not a true fern but a member of the Asparagus family. It is a perennial climbing plant with delicate, feathery foliage that resembles fern fronds. These are actually cladodes, flattened stem structures that function like leaves. It is native to South Africa and is often grown as an ornamental plant for its attractive foliage. While it can be grown indoors, it thrives best outdoors in warmer climates. People grow it for its soft texture and visual appeal in hanging baskets or as a ground cover.

Asparagaceae South Africa
✨ Features: Attractive foliage, adds texture to indoor spaces
📖 Read Complete Asparagus Fern 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 Asparagus Fern Princess Tree
Light Bright, indirect light. Avoid direct sunlight, which can scorch the foliage. Full sun
Watering Every 7-10 days, depending on environmental conditions Once or twice a week during the growing season, less frequently during dormancy.
Humidity 40-60% 30-50%
Temperature 18-24°C 15-27°C
Care Level Moderate Expert
Growth Rate Fast - Aggressive Spreader Via Rhizomes Fast
Max Height 0.3-1 meter indoors Not applicable - unsuitable for indoor growing. Outdoors: 9-18 meters
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining potting mix, such as a mix of peat moss, perlite, and vermiculite Well-draining soil, adaptable to various soil types including clay, loam, and sand.
Beginner Friendly With Caution ❌ No
Weekly Maintenance 15 minutes weekly 1-2 hours per month, primarily for pruning and managing spread.

🔬 Botanical Information — Comparing These Plants

Asparagus Fern

Scientific Name Asparagus setaceus
Family Asparagaceae
Native To South Africa
Also Known As Asparagus Fern, Lace Fern, Climbing Asparagus Fern
Leaves The 'leaves' are actually cladodes, small, needle-like structures that are bright green and give the plant a soft, feathery appearance. They are arranged along the stems, creating a delicate and airy texture.
Flowers Rarely flowers indoors. Outdoors, it produces small, inconspicuous white flowers followed by red berries.

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

Asparagus Fern

Height 0.3-1 meter indoors
Spread 0.3-1 meter, spreads aggressively via rhizomes
Growth Rate Fast - Aggressive Spreader Via Rhizomes
Growth Pattern Climbing or trailing plant with delicate, feathery foliage. It spreads aggressively via rhizomes, forming dense mats.

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

Asparagus Fern

Methods: Division, Seed

Difficulty: Moderate

Tips: Divide the rhizomes in spring or sow seeds in well-draining soil. Keep the soil consistently moist until new growth appears.

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

Asparagus Fern

The feathery foliage is composed of cladodes, which are flattened stem structures that function like leaves. It is an aggressive grower and can quickly spread via rhizomes.

  • ✓ Adds a touch of greenery and texture to indoor spaces.
  • ✓ Can be grown in hanging baskets or as a ground cover.
  • ✓ Relatively easy to propagate.
  • ✓ Provides a calming and relaxing atmosphere.
  • ✓ Can tolerate some neglect once established.
  • ⚠️ 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

Asparagus Fern

Repotting Every 1-2 years, or when the plant becomes root-bound, more frequently if aggressively spreading.
Pruning Prune regularly to maintain shape and remove any dead or yellowing foliage. Cut back aggressively if it becomes too overgrown.
Fertilizing Balanced liquid fertilizer (20-20-20) diluted to half strength, every 4-6 weeks during the growing season (spring and summer)
Seasonal Care Reduce watering in winter when growth slows. Provide adequate light during shorter days.

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

Asparagus Fern

Bright, indirect light. Avoid direct sunlight, which can scorch the foliage.

Low light tolerant: ❌ No

Princess Tree

Full sun

Low light tolerant: ❌ No

💧 Watering Needs

Asparagus Fern

Water thoroughly when the top inch of soil feels dry. Ensure good drainage to prevent root rot. Overwatering can lead to yellowing leaves and root rot, while underwatering can cause the foliage to dry out and turn brown.

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

Asparagus Fern

Temperature: 18-24°C

Humidity: 40-60%

Princess Tree

Temperature: 15-27°C

Humidity: 30-50%

🤔 Which Plant Is Right For You?

Asparagus Fern

Asparagus Fern

Asparagus setaceus
Care: Moderate Time: 15 minutes weekly Beginner: With-caution

Someone who wants a visually appealing plant with delicate foliage, but is aware of its toxicity to pets and potential for aggressive growth.

✅ Choose This Plant If...

  • You love the delicate, fern-like foliage and texture it adds to your space.
  • You have a bright, indirect light location available.
  • You are prepared to manage its aggressive growth habit through pruning and repotting.
  • You do not have pets or can keep the plant out of their reach.
  • You enjoy a plant that can be grown in hanging baskets or as a ground cover.

❌ Skip This Plant If...

  • You have pets that might ingest the plant.
  • You are looking for a low-maintenance plant.
  • You don't have a bright, indirect light location.
  • You are not prepared to manage its aggressive growth.
  • You are allergic to asparagus.
📍 Ideal Location: Bright bathroom, sunroom, or living room with indirect light
🎨 Style: Bohemian, Tropical, Cottagecore
🏠 Apartment Friendly: Yes
⚠️ Toxic to dogs, cats, and horses. The berries contain sapogenins, which can cause vomiting, diarrhea, and abdominal pain if ingested. Skin irritation may also occur upon contact.
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 Asparagus Fern

⚡ Key Differences Between These Plants

🎯

Asparagus Fern is rated Moderate care level, while Princess Tree is Expert.

📈

Asparagus Fern has fast - aggressive spreader via rhizomes growth, while Princess Tree grows fast.

💡 Pro Tips For Comparing These Plants

Asparagus Fern Care Tips

Asparagus Fern requires bright, indirect light and well-draining soil. It can be grown indoors but thrives best outdoors. Regular watering and occasional fertilization are necessary. Be aware of its toxicity to pets and its aggressive spreading habit.

  • Provide bright, indirect light to prevent scorching.
  • Water thoroughly when the top inch of soil feels dry.
  • Fertilize regularly during the growing season.
  • Prune regularly to maintain shape and remove any dead or yellowing foliage.
  • Monitor for pests and treat promptly.
❄️ Winter: Reduce watering frequency in winter as growth slows. Ensure adequate light during shorter days. Avoid placing near drafts or heating vents.
☀️ Summer: Increase watering frequency during the summer growing season. Provide protection from intense direct sunlight to prevent scorching. Increase humidity if possible.

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

Asparagus Fern

Common Issues: Yellowing foliage, Browning foliage, Root rot, Spider mites
Solutions: Yellowing foliage: Adjust watering schedule and ensure proper drainage. | Browning foliage: Increase humidity and avoid direct sunlight. | Root rot: Repot in fresh, well-draining soil and reduce watering frequency. | Spider mites: Treat with insecticidal soap or neem oil.

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

Asparagus Fern

What are the light requirements for Asparagus Fern?

Asparagus Ferns thrive in bright, indirect light. Avoid placing them in direct sunlight, as this can burn their delicate foliage, leading to brown or yellow patches. An east-facing window is often ideal, providing gentle morning sun. A north-facing window can also work if the light is bright enough. If you only have south- or west-facing windows, place the plant further away from the window or use a sheer curtain to filter the light. Insufficient light can cause the plant to become leggy and lose its vibrant green color. Rotate the plant regularly to ensure even growth on all sides. Consider using a grow light if natural light is limited.

How do I care for Asparagus Fern?

Asparagus Ferns require bright, indirect light; direct sunlight can scorch their delicate foliage. Water thoroughly when the top inch of soil feels dry, ensuring good drainage to prevent root rot. They thrive in high humidity, so consider using a humidifier, pebble tray, or misting regularly. Maintain a consistent temperature between 65-75°F (18-24°C). Fertilize every 2-4 weeks during the growing season (spring and summer) with a balanced liquid fertilizer diluted to half strength. Prune regularly to remove yellow or brown fronds and maintain the desired shape. Repot every 1-2 years or when the plant becomes root-bound. Provide adequate air circulation to prevent fungal diseases. Monitor for pests such as spider mites and mealybugs, and treat promptly if detected. Choose a well-draining potting mix.

How do I propagate Asparagus Fern?

Asparagus Ferns can be propagated by division or spores. Division is the most common and easiest method. To divide, carefully remove the plant from its pot and gently separate the root ball into two or more sections, ensuring each section has healthy roots and foliage. Repot each section in fresh potting mix. Spore propagation is more challenging. Collect spores from mature fronds and sow them on a moist surface. Keep the spores consistently moist and warm until germination occurs. This can take several weeks. Once the seedlings are large enough to handle, transplant them into individual pots. Maintain high humidity and indirect light during the propagation process. Propagation is best done in spring or early summer.

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: April 20, 2026 — Plant care data reviewed and verified by our editorial team.