Anise vs Princess Tree Plant Comparison

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

Anise

Anise

Pimpinella anisum

VS
Princess Tree

Princess Tree

Paulownia tomentosa

Anise

Anise

Pimpinella anisum

Anise is an herbaceous annual plant typically grown for its seeds, which are used as a spice. It reaches a height of about 0.5 meters (1.6 feet). It features feathery leaves and produces umbels of small white flowers in the summer, followed by oblong-ovoid fruits commonly called aniseed. While it can be grown from seed indoors, it is primarily an outdoor plant that requires specific conditions to thrive, making indoor cultivation challenging. People grow it for culinary and medicinal purposes.

Apiaceae Eastern Mediterranean region and Southwest Asia
✨ Features: Aromatic seeds used for culinary and medicinal purposes.
📖 Read Complete Anise 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 Anise Princess Tree
Light Full sun (at least 6-8 hours of direct sunlight daily) Full sun
Watering Every 5-7 days outdoors, potentially less if attempting indoors Once or twice a week during the growing season, less frequently during dormancy.
Humidity 40-60% 30-50%
Temperature 15-25°C 15-27°C
Care Level Expert Expert
Growth Rate Moderate Fast
Max Height 0.3-0.6 meters (1-2 feet) indoors, potentially taller outdoors Not applicable - unsuitable for indoor growing. Outdoors: 9-18 meters
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining soil, sandy loam is ideal Well-draining soil, adaptable to various soil types including clay, loam, and sand.
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 15 minutes weekly during the growing season 1-2 hours per month, primarily for pruning and managing spread.

🔬 Botanical Information — Comparing These Plants

Anise

Scientific Name Pimpinella anisum
Family Apiaceae
Native To Eastern Mediterranean region and Southwest Asia
Also Known As Anise, Aniseed
Leaves The leaves are feathery and divided, with different shapes depending on their position on the plant. Lower leaves are simple and lobed, while upper leaves are more finely divided.
Flowers Produces umbels of small, white flowers in the summer. Flowering is essential for seed production.

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

Anise

Height 0.3-0.6 meters (1-2 feet) indoors, potentially taller outdoors
Spread 0.3-0.5 meters (1-1.6 feet)
Growth Rate Moderate
Growth Pattern Upright, branching herbaceous plant.

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

Anise

Methods: Seed

Difficulty: Easy

Tips: Sow seeds directly into the soil in spring after the last frost. Seeds require light to germinate, so do not bury them too deeply. Keep the soil consistently moist until germination occurs.

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

Anise

The distinct licorice-like flavor of its seeds makes it a popular spice. It is also an annual plant, meaning it completes its life cycle in one growing season.

  • ✓ Provides fresh anise seeds for culinary use.
  • ✓ Attracts beneficial insects to the garden.
  • ✓ Can be used for medicinal purposes.
  • ✓ Adds a unique flavor to dishes.
  • ✓ Offers a rewarding gardening experience.
  • ⚠️ 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

Anise

Repotting Not applicable as it's an annual. If grown in a container, it will need to be started from seed each year.
Pruning Pinch back young plants to encourage bushier growth. Remove spent flower heads to prevent self-seeding.
Fertilizing Balanced liquid fertilizer (10-10-10) diluted to half strength, applied every 4-6 weeks during the growing season.
Seasonal Care In spring, sow seeds outdoors after the last frost. Summer requires consistent watering and fertilization. In fall, harvest seeds when they turn gray-brown. Anise is an annual, so it will not survive winter.

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

Anise

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

Low light tolerant: ❌ No

Princess Tree

Full sun

Low light tolerant: ❌ No

💧 Watering Needs

Anise

Water deeply when the top inch of soil feels dry. Avoid overwatering, which can lead to root rot. Signs of underwatering include wilting leaves, while overwatering can cause yellowing leaves and a musty smell from the soil.

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

Anise

Temperature: 15-25°C

Humidity: 40-60%

Princess Tree

Temperature: 15-27°C

Humidity: 30-50%

🤔 Which Plant Is Right For You?

Anise

Anise

Pimpinella anisum
Care: Expert Time: 15 minutes weekly during the growing season Beginner: No

Experienced gardeners who want to grow their own spice outdoors in a suitable climate.

✅ Choose This Plant If...

  • You have a sunny outdoor garden and want to grow your own spices.
  • You enjoy the flavor of anise in cooking and baking.
  • You are interested in the medicinal properties of anise.
  • You are an experienced gardener looking for a new challenge.
  • You want to attract beneficial insects to your garden.

❌ Skip This Plant If...

  • You have limited sunlight indoors.
  • You have pets that may ingest the plant.
  • You are a beginner gardener.
  • You live in a cold climate with a short growing season.
📍 Ideal Location: Outdoor garden with full sun exposure
🎨 Style: Cottage garden, Herb garden
🏠 Apartment Friendly: No
⚠️ According to the ASPCA, anise is toxic to dogs, cats, and horses. Symptoms include gastrointestinal upset and central nervous system depression. The seeds and plant parts are considered toxic.
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

☀️

Anise needs full sun (at least 6-8 hours of direct sunlight daily), while Princess Tree prefers full sun.

📈

Anise has moderate growth, while Princess Tree grows fast.

💡 Pro Tips For Comparing These Plants

Anise Care Tips

Anise is primarily an outdoor plant that requires full sun and well-draining soil. Indoor cultivation is challenging due to the high light requirements. It is toxic to pets. Requires careful watering and fertilization. Not recommended for indoor growing unless you can provide ideal conditions.

  • Start seeds indoors 6-8 weeks before the last frost if you have a short growing season.
  • Ensure the soil is well-draining to prevent root rot.
  • Provide full sun for optimal growth and seed production.
  • Harvest seeds when they turn gray-brown and are easily detached from the plant.
  • Protect young plants from pests such as aphids and spider mites.
❄️ Winter: Anise is an annual and will not survive the winter. Collect seeds for planting the following spring.
☀️ Summer: Provide consistent watering and fertilization during the summer growing season. Monitor for pests and diseases.

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

Anise

Common Issues: Aphids, spider mites, root rot, powdery mildew
Solutions: Aphids/spider mites: Insecticidal soap or neem oil. Root rot: Improve drainage and reduce watering. Powdery mildew: Improve air circulation and apply a fungicide.

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

Anise

What are the light requirements for Anise?

Anise requires at least six to eight hours of direct sunlight per day to thrive. Insufficient light can result in leggy growth, reduced flowering, and overall weakened plant health. When grown indoors, place Anise near a south-facing window where it can receive ample sunlight. If natural light is limited, supplement with grow lights to ensure adequate illumination. Rotate the plant regularly to ensure even light exposure on all sides. Observe the plant’s growth; if the stems are stretching towards the light source, it indicates a need for more light. Insufficient sunlight can lead to pale leaves and a lack of the characteristic anise aroma in the foliage.

How do I care for Anise?

Anise thrives in well-draining soil and requires full sun exposure for optimal growth and flowering. Water thoroughly when the top inch of soil feels dry, avoiding overwatering which can lead to root rot. Fertilize regularly during the growing season (spring and summer) with a balanced liquid fertilizer to promote healthy growth and abundant blooms. Prune spent flower heads to encourage further blooming. Provide support for taller plants to prevent them from lodging. Maintain adequate air circulation to prevent fungal diseases. Protect from frost in colder climates. Regularly inspect for pests like aphids and treat accordingly. Anise prefers slightly acidic to neutral soil pH. Ensure proper drainage by amending heavy soils with organic matter. Monitor humidity levels, especially indoors, as Anise prefers moderate humidity.

How do I propagate Anise?

Anise can be propagated by seed or division. For seed propagation, sow seeds directly into the soil in spring or fall. Keep the soil moist until germination occurs. For division, carefully separate the plant into smaller clumps, ensuring each clump has healthy roots and foliage. Replant the divisions in well-draining soil. Stem cuttings are less common but can be attempted. Take a 4-6 inch cutting from new growth, remove the lower leaves, and dip the cut end in rooting hormone. Plant the cutting in moist potting mix and keep it humid until roots develop. Keiki formation is not applicable to Anise.

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 12, 2026 — Plant care data reviewed and verified by our editorial team.