Licorice Plant vs Macadamia Plant Comparison

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

Licorice Plant

Licorice Plant

Glycyrrhiza glabra

VS
Macadamia

Macadamia

Macadamia integrifolia

Licorice Plant

Licorice Plant

Glycyrrhiza glabra

Glycyrrhiza glabra, commonly known as licorice, is a perennial herbaceous plant that grows to about 1 meter (3 feet) tall. It features pinnate leaves and pea-like flowers, typically purple to pale blue. The plant is primarily cultivated for its rhizomes and roots, which contain glycyrrhizin, a compound responsible for its characteristic sweet flavor. Licorice is mainly grown outdoors in well-drained soil and full sun. While it can be attempted indoors, it's challenging to replicate its ideal growing conditions, and it may not thrive.

Fabaceae Southern Europe and parts of Asia
✨ Features: Roots contain glycyrrhizin, a compound used as a flavoring agent and in traditional medicine.
📖 Read Complete Licorice Plant Guide
Macadamia

Macadamia

Macadamia integrifolia

Macadamia integrifolia is an evergreen tree native to Australia, known primarily for its edible nuts. It typically grows to a height of 12-15 meters in its natural habitat. The tree has glossy, leathery leaves and produces clusters of small, white or pink flowers. While primarily an outdoor tree cultivated for nut production, it is occasionally grown indoors in large containers, though fruiting is unlikely. People grow it for its ornamental value and the potential (though rare indoors) to harvest nuts.

Proteaceae Australia (Queensland and New South Wales)
✨ Features: Edible nuts (though unlikely to produce indoors), attractive foliage
📖 Read Complete Macadamia Guide

Quick Plant Comparison

Feature Licorice Plant Macadamia
Light Full sun (at least 6-8 hours of direct sunlight daily) Full sun (at least 6-8 hours of direct sunlight per day)
Watering Every 5-7 days during the growing season, less frequently in winter. Every 1-2 weeks, depending on environmental conditions and pot size.
Humidity 40-60% 40-60%
Temperature 15-27°C 18-24°C
Care Level Expert Expert
Growth Rate Moderate Moderate
Max Height 0.5-1 meter (indoors, likely smaller) 2-3 meters (indoors in a container, unlikely to reach full outdoor size)
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-drained loamy soil Well-draining, slightly acidic soil mix (e.g., a mix of potting soil, perlite, and sand)
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 30 minutes weekly (primarily for watering, weeding, and pest control). 30 minutes weekly

🔬 Botanical Information — Comparing These Plants

Licorice Plant

Scientific Name Glycyrrhiza glabra
Family Fabaceae
Native To Southern Europe and parts of Asia
Also Known As Licorice, Liquorice
Leaves The leaves are pinnately compound, typically consisting of 9-17 leaflets. Each leaflet is oval to lance-shaped, with a smooth margin and a slightly sticky texture. The leaves are generally green in color.
Flowers Licorice produces pea-like flowers that are typically purple to pale blue. Flowering usually occurs in the summer months. It is unlikely to flower indoors due to insufficient light.

Macadamia

Scientific Name Macadamia integrifolia
Family Proteaceae
Native To Australia (Queensland and New South Wales)
Also Known As Macadamia Nut Tree, Queensland Nut, Bush Nut, Macadamia
Leaves The leaves are oblong to elliptic, 10-25 cm long and 3-8 cm wide, with a leathery texture and glossy green color. The margins are usually smooth but may be slightly serrated when young.
Flowers Rarely flowers indoors. Outdoors, it produces clusters of small, fragrant, white or pink flowers.

📏 Size & Growth — Plant Comparison

Licorice Plant

Height 0.5-1 meter (indoors, likely smaller)
Spread Spreads via rhizomes, potentially aggressive outdoors
Growth Rate Moderate
Growth Pattern Glycyrrhiza glabra grows as an upright herbaceous perennial. It spreads via rhizomes, which can lead to the formation of dense patches if not contained.

Macadamia

Height 2-3 meters (indoors in a container, unlikely to reach full outdoor size)
Spread 1-2 meters (indoors in a container)
Growth Rate Moderate
Growth Pattern Upright tree with a central trunk and branching structure. Indoors, it will be smaller and more compact than its outdoor counterpart.

🌱 Propagation — Comparing Plant Growth

Licorice Plant

Methods: Seed, Rhizome division, Root cuttings

Difficulty: Moderate

Tips: For rhizome division, separate rhizomes in early spring and plant them in well-drained soil. Root cuttings should be taken in late fall or early winter and planted horizontally.

Macadamia

Methods: Seed, Grafting, Air Layering

Difficulty: Difficult

Tips: Grafting is the most reliable method. Seeds require scarification and a long germination period. Air layering can be attempted but is not always successful.

✨ Benefits & Features — Comparing Plant Value

Licorice Plant

The roots of Glycyrrhiza glabra contain glycyrrhizin, a compound that is significantly sweeter than sugar. This plant has a long history of use in both culinary and traditional medicine.

  • ✓ Provides a unique flavoring agent for culinary uses.
  • ✓ Has potential medicinal properties (consult a healthcare professional).
  • ✓ Adds visual interest to a garden with its foliage and flowers.
  • ✓ Can be a rewarding challenge for experienced gardeners.
  • ✓ Supports biodiversity in a garden ecosystem.
  • ⚠️ Toxic to pets

Macadamia

Macadamia integrifolia is unique as a nut-bearing tree that can be grown indoors, although fruiting is unlikely. Its glossy, leathery leaves and potential for nut production make it a distinctive ornamental plant.

  • ✓ Provides a unique and exotic aesthetic to your home.
  • ✓ Can potentially produce edible nuts (though unlikely indoors).
  • ✓ Offers a connection to nature.
  • ✓ Can improve indoor air quality (though not significantly).
  • ✓ Provides a rewarding challenge for experienced plant owners.
  • ⚠️ Toxic to pets

📅 Maintenance Schedule — Plant Care Comparison

Licorice Plant

Repotting Not typically grown indoors, but if in a container, repot annually in spring to accommodate rhizome growth.
Pruning Prune back stems to encourage bushier growth and remove any dead or yellowing foliage.
Fertilizing Balanced liquid fertilizer (10-10-10) diluted to half strength, every 4-6 weeks during the growing season.
Seasonal Care In winter, reduce watering and protect from frost. In summer, ensure adequate sunlight and water regularly. Dormancy occurs during winter.

Macadamia

Repotting Every 2-3 years, or when the plant becomes root-bound.
Pruning Prune to maintain shape and remove dead or damaged branches. Prune in late winter or early spring before new growth begins.
Fertilizing Balanced liquid fertilizer (10-10-10) diluted to half strength, every 2-3 months during the growing season (spring/summer)
Seasonal Care During the growing season (spring/summer), increase watering and fertilization. In winter, reduce watering and avoid fertilizing. Provide supplemental light if needed.

🌞 Light Requirements

Licorice Plant

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

Low light tolerant: ❌ No

Macadamia

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

Low light tolerant: ❌ No

💧 Watering Needs

Licorice Plant

Water deeply when the top inch of soil feels dry to the touch. Avoid overwatering, which can lead to root rot. Signs of overwatering include yellowing leaves and a musty smell. Underwatering is indicated by wilting and dry, crispy leaves.

Macadamia

Water deeply when the top inch of soil is dry. Ensure good drainage to prevent root rot. Overwatering can lead to yellowing leaves and root rot. Underwatering can cause leaf drop and stunted growth.

🌡️ Temperature & Humidity

Licorice Plant

Temperature: 15-27°C

Humidity: 40-60%

Macadamia

Temperature: 18-24°C

Humidity: 40-60%

🤔 Which Plant Is Right For You?

Licorice Plant

Licorice Plant

Glycyrrhiza glabra
Care: Expert Time: 30 minutes weekly (primarily for watering, weeding, and pest control). Beginner: No

Experienced gardeners who want to grow licorice outdoors for its roots, understanding its toxicity to pets.

✅ Choose This Plant If...

  • You have a sunny outdoor garden space.
  • You are interested in harvesting licorice root for culinary or medicinal purposes.
  • You are an experienced gardener looking for a unique plant to grow.
  • You understand the plant's toxicity to pets and can keep it away from them.
  • You are prepared to provide the specific care this plant needs to thrive.

❌ Skip This Plant If...

  • You have pets that might ingest the plant.
  • You lack a sunny outdoor space.
  • You are a beginner gardener.
  • You are looking for a low-maintenance indoor plant.
  • You are not prepared to manage the plant's potential for rhizomatous spread.
📍 Ideal Location: Sunny outdoor garden or greenhouse.
🎨 Style: Cottage garden, Herb garden
🏠 Apartment Friendly: No
⚠️ Licorice contains glycyrrhizin, which is toxic to dogs, cats, and horses. Symptoms include increased thirst and urination, high blood pressure, and potentially edema (fluid retention). All parts of the plant are potentially toxic, but the roots are the most concentrated source of glycyrrhizin.
Macadamia

Macadamia

Macadamia integrifolia
Care: Expert Time: 30 minutes weekly Beginner: No

Experienced plant enthusiasts willing to provide the specific conditions required for a challenging indoor tree.

✅ Choose This Plant If...

  • You are an experienced plant owner looking for a challenge.
  • You have a very bright, sunny indoor space or are willing to use grow lights.
  • You appreciate the aesthetic of a small tree indoors.
  • You are fascinated by nut-bearing trees and want to try growing one as a novelty.
  • You understand that fruiting indoors is unlikely but enjoy the foliage.

❌ Skip This Plant If...

  • You have pets (especially dogs) due to the toxicity of the nuts.
  • You have limited space or low light conditions.
  • You are a beginner plant owner.
📍 Ideal Location: Brightest room in the house, preferably near a south-facing window. A sunroom or greenhouse is ideal.
🎨 Style: Tropical, Natural
🏠 Apartment Friendly: Limited
⚠️ Macadamia nuts are toxic to dogs. Symptoms include weakness, tremors, hyperthermia, and vomiting. The specific toxic compound is unknown. While other animals may be affected, dogs are the most commonly reported.

🎯 Quick Verdict

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

⚡ Key Differences Between These Plants

☀️

Licorice Plant needs full sun (at least 6-8 hours of direct sunlight daily), while Macadamia prefers full sun (at least 6-8 hours of direct sunlight per day).

💡 Pro Tips For Comparing These Plants

Licorice Plant Care Tips

Licorice is primarily an outdoor plant and requires full sun and well-drained soil. Growing it indoors is challenging due to its high light requirements and potential for rhizomatous spread. It also poses a toxicity risk to pets. Indoor cultivation requires careful attention to light, watering, and potential toxicity.

  • Provide well-drained soil to prevent root rot.
  • Ensure at least 6-8 hours of direct sunlight daily.
  • Monitor for pests like aphids and spider mites.
  • Harvest licorice roots in the fall after 3-4 years of growth.
  • Be mindful of its potential for rhizomatous spread and contain it if necessary.
❄️ Winter: In winter, reduce watering significantly as the plant enters dormancy. Protect outdoor plants from frost by mulching around the base. If grown in containers, move them to a sheltered location.
☀️ Summer: During the summer, ensure the plant receives adequate sunlight and water regularly, especially during hot and dry periods. Monitor for pests and diseases, and provide fertilizer as needed.

Macadamia Care Tips

Macadamia integrifolia is challenging to grow indoors due to its high light requirements and large size. It needs well-draining soil, consistent watering, and occasional fertilization. Providing adequate humidity and preventing pests are also crucial for success. Fruiting indoors is highly unlikely.

  • Provide supplemental light with grow lights to ensure adequate light exposure.
  • Use a well-draining potting mix to prevent root rot.
  • Water deeply but infrequently, allowing the soil to dry slightly between waterings.
  • Fertilize regularly during the growing season with a balanced fertilizer.
  • Monitor for pests and treat promptly to prevent infestations.
❄️ Winter: Reduce watering frequency. Avoid fertilizing. Provide supplemental light if needed. Protect from cold drafts.
☀️ Summer: Increase watering frequency. Fertilize regularly. Ensure adequate ventilation. Protect from intense afternoon sun if grown outdoors.

⚠️ Common Problems & Solutions — Plant Care Comparison

Licorice Plant

Common Issues: Root rot, Aphids, Spider mites, Lack of sunlight
Solutions: Root rot: Ensure well-draining soil and avoid overwatering. Aphids: Spray with insecticidal soap. Spider mites: Increase humidity and treat with miticide. Lack of sunlight: Provide supplemental lighting or move outdoors during warmer months.

Macadamia

Common Issues: Leaf drop, Root rot, Pest infestations (scale, mealybugs), Nutrient deficiencies
Solutions: Leaf drop: Ensure adequate light and consistent watering. Root rot: Improve drainage and reduce watering frequency. Pest infestations: Treat with insecticidal soap or neem oil. Nutrient deficiencies: Fertilize with a balanced fertilizer.

❓ Frequently Asked Questions — Comparing These Plants

Licorice Plant

What are the light requirements for Licorice Plant?

Licorice Plant thrives in bright, indirect light. Too much direct sunlight can scorch the leaves, while insufficient light can lead to leggy growth and faded foliage color. An east-facing window is often ideal, providing gentle morning sun. A south- or west-facing window can also work, but be sure to filter the light with sheer curtains or blinds, especially during the hottest part of the day.

How do I care for Licorice Plant?

Licorice Plant thrives in well-draining soil. Water thoroughly when the top inch of soil feels dry, allowing excess water to drain. Provide bright, indirect light for optimal growth, though it can tolerate some direct sun, especially in the morning. These plants prefer moderate temperatures, ideally between 60-75°F (15-24°C). Fertilize lightly every 4-6 weeks during the growing season (spring and summer) with a balanced liquid fertilizer diluted to half strength.

How do I propagate Licorice Plant?

Licorice Plant is easily propagated through stem cuttings and layering. For 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 it in moist, well-draining potting mix. Cover with a plastic bag or humidity dome to maintain moisture. Keep in bright, indirect light until roots develop, usually within 2-4 weeks.

Macadamia

What are the light requirements for Macadamia?

Macadamia trees thrive in bright, indirect light when grown indoors. Insufficient light can lead to leggy growth and reduced flowering and nut production (though nut production indoors is already difficult). A location near an east- or west-facing window is ideal. Avoid placing the tree in direct sunlight, especially during the hottest part of the day, as this can scorch the leaves.

How do I care for Macadamia?

Macadamia trees require bright, indirect light when grown indoors. Direct sunlight can scorch the leaves. Water thoroughly when the top inch of soil is dry, ensuring proper drainage to prevent root rot. Maintain a humidity level of 50-60%, which can be achieved through regular misting or a humidifier.

How do I propagate Macadamia?

Macadamia trees can be propagated through stem cuttings or air layering. Stem cuttings should be taken from semi-hardwood growth in the spring or summer. Dip the cut end in rooting hormone and plant in a well-draining potting mix. Keep the cutting moist and humid until roots develop.

Last updated: April 27, 2026 — Plant care data reviewed and verified by our editorial team.