Honeylocust vs Mother of Thyme Plant Comparison

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

Honeylocust

Honeylocust

Gleditsia triacanthos

VS
Mother of Thyme

Mother of Thyme

Thymus serpyllum

Honeylocust

Honeylocust

Gleditsia triacanthos

Honeylocust is a deciduous tree typically reaching 30-70 feet in height. It is known for its rapid growth and adaptability to various soil conditions. While some varieties have long, sharp thorns on the trunk and branches, thornless cultivars are also popular. The leaves are pinnately or bipinnately compound, giving the tree a delicate, airy appearance. It is primarily an outdoor tree, valued for its shade, ornamental qualities, and tolerance of urban conditions. Attempts to grow it indoors are highly unlikely to succeed due to its size and light requirements.

Fabaceae Central North America
✨ Features: Drought tolerance, nitrogen fixation (to a small extent), attractive foliage.
📖 Read Complete Honeylocust Guide
Mother of Thyme

Mother of Thyme

Thymus serpyllum

Thymus serpyllum, commonly known as Mother of Thyme or Creeping Thyme, is a low-growing, mat-forming perennial herb. It typically reaches only 1-3 inches in height but spreads widely. Its small, oval leaves are aromatic, releasing a pleasant fragrance when crushed. Tiny pink to purple flowers bloom in summer, attracting pollinators. Primarily an outdoor plant, it's often used as a ground cover in gardens, rockeries, and between paving stones. People grow it for its ornamental value, fragrant foliage, and culinary uses.

Lamiaceae Europe and North Africa
✨ Features: Aromatic foliage, attracts pollinators, drought-tolerant, edible
📖 Read Complete Mother of Thyme Guide

Quick Plant Comparison

Feature Honeylocust Mother of Thyme
Light Full sun (at least 6 hours of direct sunlight daily) Full sun (at least 6 hours of direct sunlight daily)
Watering Water deeply 1-2 times per week during the first year, then as needed based on rainfall and soil moisture. Every 1-2 weeks, depending on weather and soil drainage
Humidity 30-50% 30-50%
Temperature 10-30°C 15-27°C
Care Level Expert Expert
Growth Rate Fast Moderate
Max Height Not applicable for indoor growing; 30-70 feet outdoors. 2-8 cm (outdoor)
Pet Safety ❌ Toxic To Pets ✅ Safe
Soil Well-drained soil; adaptable to various soil types including clay, loam, and sand. Well-draining, sandy or gravelly soil
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 1-2 hours per month (primarily for pruning and monitoring for pests/diseases) 5 minutes weekly

🔬 Botanical Information — Comparing These Plants

Honeylocust

Scientific Name Gleditsia triacanthos
Family Fabaceae
Native To Central North America
Also Known As Honeylocust, Honey Locust, Sweet Bean
Leaves The leaves are pinnately or bipinnately compound, meaning they are divided into multiple leaflets. The leaflets are small, oval-shaped, and have a smooth texture. The foliage is typically a bright green color, turning yellow in the fall.
Flowers Honeylocust trees produce small, greenish-yellow flowers in the spring. The flowers are not particularly showy and are often hidden among the foliage. Flowering is not relevant for indoor growing, as the tree cannot thrive indoors.

Mother of Thyme

Scientific Name Thymus serpyllum
Family Lamiaceae
Native To Europe and North Africa
Also Known As Mother of Thyme, Creeping Thyme, Wild Thyme
Leaves Small, oval-shaped leaves, typically 0.5-1 cm long, with a slightly fuzzy texture. The leaves are dark green and highly aromatic, releasing a thyme scent when crushed.
Flowers Produces small, tubular flowers in shades of pink to purple during the summer months. Flowering is more prolific outdoors in full sun. Rarely flowers indoors.

📏 Size & Growth — Plant Comparison

Honeylocust

Height Not applicable for indoor growing; 30-70 feet outdoors.
Spread Not applicable for indoor growing; 30-40 feet outdoors.
Growth Rate Fast
Growth Pattern Honeylocust trees have an upright, spreading growth habit, forming a rounded or irregular crown. They typically develop a single trunk with branching limbs.

Mother of Thyme

Height 2-8 cm (outdoor)
Spread 30-60 cm (outdoor)
Growth Rate Moderate
Growth Pattern Creeping, mat-forming perennial that spreads horizontally along the ground, creating a dense carpet of foliage.

🌱 Propagation — Comparing Plant Growth

Honeylocust

Methods: Seed, Root cuttings, Grafting

Difficulty: Moderate

Tips: Seeds require scarification and stratification before planting. Root cuttings should be taken in late winter. Grafting is used to propagate specific cultivars.

Mother of Thyme

Methods: Stem cuttings, Division, Seed

Difficulty: Easy

Tips: Take stem cuttings in spring or summer and root them in well-draining soil. Division can be done in spring or fall. Seeds can be sown in spring after the last frost.

✨ Benefits & Features — Comparing Plant Value

Honeylocust

Honeylocust trees are known for their rapid growth and adaptability to various soil conditions. Thornless varieties are popular for landscaping due to their ease of maintenance and lack of sharp thorns.

  • ✓ Provides shade and cooling in summer
  • ✓ Enhances property value with its attractive appearance
  • ✓ Supports local wildlife by providing habitat
  • ✓ Contributes to soil health through leaf litter decomposition
  • ✓ Offers a sense of connection to nature
  • ⚠️ Toxic to pets

Mother of Thyme

Mother of Thyme is known for its ability to release a pleasant fragrance when stepped on, making it a popular choice for pathways and ground cover. Its drought tolerance and low-maintenance nature make it a versatile addition to various garden settings.

  • ✓ Provides fragrant ground cover
  • ✓ Attracts pollinators to the garden
  • ✓ Edible herb for culinary use
  • ✓ Drought-tolerant and low-maintenance
  • ✓ Adds visual interest to rock gardens and pathways
  • 🐾 Pet Safe

📅 Maintenance Schedule — Plant Care Comparison

Honeylocust

Repotting Not applicable for outdoor trees.
Pruning Prune to remove dead, damaged, or crossing branches. Shape the tree for desired form.
Fertilizing Apply a balanced fertilizer (10-10-10) in early spring for young trees. Mature trees generally do not require fertilization.
Seasonal Care In winter, protect young trees from frost damage. In summer, ensure adequate watering during dry periods. Prune in late winter or early spring before new growth begins.

Mother of Thyme

Repotting Not applicable as it's primarily an outdoor plant. If grown in a container, repot every 2-3 years.
Pruning Prune lightly after flowering to maintain shape and encourage bushier growth.
Fertilizing Light feeding in spring with a balanced, slow-release fertilizer diluted to half strength
Seasonal Care In winter, reduce watering and protect from excessive moisture. In summer, ensure adequate sunlight and water during dry spells.

🌞 Light Requirements

Honeylocust

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

Low light tolerant: ❌ No

Mother of Thyme

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

Low light tolerant: ❌ No

💧 Watering Needs

Honeylocust

Water deeply when the top few inches of soil are dry, especially during the first few years after planting. Mature trees are drought-tolerant. Overwatering can lead to root rot, indicated by yellowing leaves and a decline in overall health. Underwatering results in leaf drop and stunted growth.

Mother of Thyme

Water thoroughly when the soil surface feels dry to the touch. Avoid overwatering, as this can lead to root rot. Allow the soil to dry out slightly between waterings. Signs of overwatering include yellowing leaves and a musty smell. Underwatering results in wilting and dry, brittle leaves.

🌡️ Temperature & Humidity

Honeylocust

Temperature: 10-30°C

Humidity: 30-50%

Mother of Thyme

Temperature: 15-27°C

Humidity: 30-50%

🤔 Which Plant Is Right For You?

Honeylocust

Honeylocust

Gleditsia triacanthos
Care: Expert Time: 1-2 hours per month (primarily for pruning and monitoring for pests/diseases) Beginner: No

Landowners seeking a fast-growing shade tree for large properties.

✅ Choose This Plant If...

  • You need a fast-growing shade tree for a large area.
  • You want a tree that tolerates a variety of soil conditions.
  • You are looking for a tree with attractive, delicate foliage.
  • You need a tree that is relatively drought-tolerant once established.
  • You want a tree that provides some nitrogen fixation to the soil.

❌ Skip This Plant If...

  • You have a small yard or limited space.
  • You are looking for an indoor plant.
  • You have pets that might ingest the seed pods.
  • You prefer a low-maintenance, slow-growing tree.
📍 Ideal Location: Outdoor landscape, large yard, park
🎨 Style: Natural, Rustic, Traditional
🏠 Apartment Friendly: No
⚠️ The seed pods and seeds contain glycosides that can be toxic to dogs, cats, and horses. Symptoms include gastrointestinal upset, such as vomiting and diarrhea.
Mother of Thyme

Mother of Thyme

Thymus serpyllum
Care: Expert Time: 5 minutes weekly Beginner: No

Gardeners looking for a fragrant, low-maintenance ground cover for sunny areas.

✅ Choose This Plant If...

  • You want a fragrant ground cover that releases scent when stepped on.
  • You need a plant that tolerates dry conditions and full sun.
  • You want to attract pollinators to your garden.
  • You enjoy using fresh herbs in your cooking.
  • You want a low-maintenance plant that requires minimal care.

❌ Skip This Plant If...

  • You don't have a sunny outdoor space.
  • You tend to overwater your plants.
  • You are looking for a tall, showy plant.
📍 Ideal Location: Sunny garden bed, rock garden, between paving stones
🎨 Style: Cottage, Mediterranean, Rustic
🏠 Apartment Friendly: No
⚠️ According to the ASPCA, thyme is not toxic to dogs, cats, or horses.

🎯 Quick Verdict

Best for Beginners Neither ideal
Pet Friendly Mother of Thyme ✓
Less Maintenance Similar effort
Apartment Friendly Check space

⚡ Key Differences Between These Plants

📈

Honeylocust has fast growth, while Mother of Thyme grows moderate.

💡 Pro Tips For Comparing These Plants

Honeylocust Care Tips

Honeylocust is an outdoor tree and is not suitable for indoor growing. It requires full sun, well-drained soil, and ample space to grow. Indoor attempts will likely fail due to insufficient light and space.

  • Choose a thornless variety for easier maintenance and safety.
  • Water deeply and regularly during the first year to establish a strong root system.
  • Prune regularly to maintain shape and remove dead or damaged branches.
  • Monitor for common pests and diseases and treat promptly.
  • Mulch around the base of the tree to retain moisture and suppress weeds.
❄️ Winter: Protect young trees from frost damage by wrapping the trunk with burlap. Water sparingly during periods of drought. Prune in late winter or early spring before new growth begins.
☀️ Summer: Ensure adequate watering during dry periods. Monitor for pests and diseases and treat promptly. Provide shade for young trees during the hottest part of the day.

Mother of Thyme Care Tips

Mother of Thyme is primarily an outdoor plant that requires full sun and well-draining soil. Growing it indoors is challenging due to its high light requirements. It is prone to root rot if overwatered. Indoor success requires very bright light and careful watering.

  • Plant in well-draining soil to prevent root rot.
  • Provide at least 6 hours of direct sunlight daily.
  • Water deeply but infrequently, allowing the soil to dry out between waterings.
  • Prune lightly after flowering to maintain shape.
  • Avoid over-fertilizing, as this can lead to leggy growth.
❄️ Winter: Reduce watering significantly during the winter months as growth slows down. Ensure good drainage to prevent root rot from excessive moisture. Provide protection from harsh winter winds in colder climates.
☀️ Summer: Water more frequently during hot, dry summer months, but still allow the soil to dry out slightly between waterings. Ensure adequate sunlight exposure. Prune lightly after flowering to maintain shape and encourage bushier growth.

⚠️ Common Problems & Solutions — Plant Care Comparison

Honeylocust

Common Issues: Webworm infestations, Canker diseases, Spider mites, Powdery mildew
Solutions: Treat webworms with Bacillus thuringiensis (Bt) or insecticidal soap. Prune out cankered branches. Control spider mites with miticides or insecticidal soap. Apply fungicides to prevent powdery mildew.

Mother of Thyme

Common Issues: Root rot, Leggy growth, Powdery mildew, Aphids
Solutions: Root rot: Ensure well-draining soil and avoid overwatering. Leggy growth: Provide more sunlight and prune regularly. Powdery mildew: Improve air circulation and treat with fungicide. Aphids: Spray with insecticidal soap.

❓ Frequently Asked Questions — Comparing These Plants

Honeylocust

What are the light requirements for Honeylocust?

Honeylocust thrives in bright, indirect light indoors. Insufficient light can lead to leggy growth and sparse foliage. A location near an east-facing or west-facing window is ideal, providing ample light without the harshness of direct sun. South-facing windows may require a sheer curtain to filter the light, especially during the hottest part of the day. If natural light is insufficient, supplement with grow lights to ensure the plant receives adequate illumination. Rotate the plant regularly to ensure all sides receive equal light exposure. Observe the plant for signs of light stress, such as pale leaves or stunted growth, and adjust its location accordingly.

How do I care for Honeylocust?

Caring for a Honeylocust indoors requires attention to its specific needs. Provide bright, indirect light, avoiding direct sunlight that can scorch the leaves. Water thoroughly when the top inch of soil is dry, ensuring good drainage to prevent root rot. Use a well-draining potting mix specifically formulated for trees or shrubs. Maintain moderate humidity levels, especially during dry winter months. Fertilize monthly during the growing season (spring and summer) with a balanced liquid fertilizer diluted to half strength. Prune regularly to maintain the desired shape and size, removing any dead or crossing branches. Repot every 2-3 years, or when the plant becomes root-bound, using a slightly larger pot. Protect from drafts and sudden temperature changes. Monitor for pests like spider mites or aphids and treat promptly if detected. Rotate the plant regularly to ensure even growth.

How do I propagate Honeylocust?

Honeylocust can be propagated through stem cuttings or air layering. For stem cuttings, take a 4-6 inch cutting from new growth in spring or early summer. Remove the lower leaves and dip the cut end in rooting hormone. Plant the cutting in a well-draining potting mix and keep it moist in a humid environment, such as a propagation dome or plastic bag. Roots should develop in 4-6 weeks. For air layering, select a healthy stem and make a small incision. Apply rooting hormone to the incision and wrap it with moist sphagnum moss. Cover the moss with plastic wrap and secure it with tape. Once roots are visible through the plastic wrap, cut the stem below the roots and pot it up.

Mother of Thyme

What are the light requirements for Mother of Thyme?

Mother of Thyme thrives in bright, indirect sunlight. Aim for at least six hours of sunlight per day for optimal growth and flowering. Insufficient light can lead to leggy growth and reduced blooming. An east- or south-facing window is usually ideal, but be mindful of intense afternoon sun, which can scorch the leaves, especially during the summer months.

How do I care for Mother of Thyme?

Mother of Thyme is relatively easy to care for, making it a popular choice for both novice and experienced plant enthusiasts. Provide it with plenty of bright, indirect sunlight; at least 6 hours a day is ideal. Water thoroughly only when the soil is completely dry, as overwatering can lead to root rot. Use well-draining soil, such as a cactus or succulent mix, to ensure proper drainage.

How do I propagate Mother of Thyme?

Mother of Thyme is easily propagated through several methods. Leaf cuttings involve gently twisting off a healthy leaf and allowing it to callous over for a few days before placing it on well-draining soil. Offsets, which are small plantlets that grow around the base of the mother plant, can be carefully separated and planted in their own pots. Stem cuttings are another effective method.

Last updated: April 24, 2026 — Plant care data reviewed and verified by our editorial team.