Creeping Thyme vs Foxtail Lily Plant Comparison

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

Creeping Thyme

Creeping Thyme

Thymus serpyllum

VS
Foxtail Lily

Foxtail Lily

Eremurus spp.

Creeping Thyme

Creeping Thyme

Thymus serpyllum

Creeping Thyme is a low-growing, mat-forming perennial herb known for its aromatic foliage and tiny, vibrant flowers. It typically reaches only a few inches in height but spreads horizontally, creating a dense carpet. Primarily an outdoor plant, it thrives in sunny locations with well-drained soil. People grow it for ground cover, rock gardens, between stepping stones, and for its culinary and medicinal uses. While it can be attempted indoors, it requires very specific conditions and is unlikely to thrive long-term.

Lamiaceae Europe and North Africa
✨ Features: Aromatic foliage, attracts pollinators, edible leaves, drought tolerant once established.
📖 Read Complete Creeping Thyme Guide
Foxtail Lily

Foxtail Lily

Eremurus spp.

Foxtail Lilies are striking perennial plants known for their tall, dense flower spikes that can reach impressive heights. They emerge from a central rosette of basal leaves and produce a towering inflorescence covered in hundreds of small, star-shaped flowers. These plants are primarily outdoor specimens, thriving in sunny gardens. People grow them for their dramatic vertical presence and the vibrant colors they bring to the landscape. They are not naturally suited for indoor environments due to their high light requirements and dormancy needs.

Asphodelaceae Central and Western Asia
✨ Features: Dramatic flower spikes, attracts pollinators
📖 Read Complete Foxtail Lily Guide

Quick Plant Comparison

Feature Creeping Thyme Foxtail Lily
Light Full sun (at least 6-8 hours of direct sunlight daily) Full sun (at least 6-8 hours of direct sunlight daily)
Watering Every 1-2 weeks, depending on environmental conditions and soil drainage. Outdoors, less frequent watering is needed once established. Once or twice a week during the growing season, less frequently during dormancy.
Humidity 30-50% 30-50%
Temperature 15-24°C 10-25°C
Care Level Expert Expert
Growth Rate Moderate To Fast, Can Be An Aggressive Spreader Outdoors. Moderate
Max Height 2-5 cm (indoors unlikely to reach this) Not applicable indoors; outdoors: 1-3 meters
Pet Safety ✅ Safe ❌ Toxic To Pets
Soil Well-drained, sandy or gravelly soil. Avoid heavy clay soils. Well-draining, sandy loam soil with added compost.
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 5 minutes weekly outdoors; 15 minutes weekly indoors (if attempting to grow indoors) 30 minutes weekly during growing season.

🔬 Botanical Information — Comparing These Plants

Creeping Thyme

Scientific Name Thymus serpyllum
Family Lamiaceae
Native To Europe and North Africa
Also Known As Creeping Thyme, Mother of Thyme, Wild Thyme
Leaves The leaves of Creeping Thyme are small, oval-shaped, and dark green. They are typically less than 1 cm long and have a slightly fuzzy texture. The leaves are highly aromatic, releasing a pleasant scent when crushed.
Flowers Creeping Thyme produces tiny, tubular flowers in shades of pink, purple, or white. Flowering typically occurs in late spring to early summer. It is unlikely to flower indoors unless provided with very intense light.

Foxtail Lily

Scientific Name Eremurus spp.
Family Asphodelaceae
Native To Central and Western Asia
Also Known As Foxtail Lily, Desert Candle, King's Spear
Leaves The leaves are long, strap-like, and basal, meaning they grow from the base of the plant. They are typically a bluish-green color and have a smooth texture. The leaves die back after flowering.
Flowers Foxtail Lilies rarely, if ever, flower indoors. Outdoors, they produce tall, dense spikes of small, star-shaped flowers in shades of white, yellow, orange, pink, and red. The flowering period is typically in late spring or early summer.

📏 Size & Growth — Plant Comparison

Creeping Thyme

Height 2-5 cm (indoors unlikely to reach this)
Spread 30-60 cm (spreads via creeping stems)
Growth Rate Moderate To Fast, Can Be An Aggressive Spreader Outdoors.
Growth Pattern Creeping Thyme grows as a low-lying, spreading mat. It sends out creeping stems that root as they spread, forming a dense ground cover. It does not grow upright.

Foxtail Lily

Height Not applicable indoors; outdoors: 1-3 meters
Spread Not applicable indoors; outdoors: 0.5-1 meter
Growth Rate Moderate
Growth Pattern Foxtail Lilies grow from a central rosette of basal leaves. From this rosette emerges a tall, upright flower spike. The plant is not invasive but will slowly spread through division of the crown.

🌱 Propagation — Comparing Plant Growth

Creeping Thyme

Methods: Stem cuttings, Division, Seed

Difficulty: Easy

Tips: Take stem cuttings in spring or summer and root them in well-drained soil. Division can be done in spring or fall. Seeds can be sown directly in the garden in spring.

Foxtail Lily

Methods: Division, Seed

Difficulty: Moderate

Tips: Divide established clumps in late summer or early fall after flowering. Sow seeds in fall for germination in spring.

✨ Benefits & Features — Comparing Plant Value

Creeping Thyme

Creeping Thyme is known for its ability to release its fragrance when stepped on, making it a delightful addition to pathways and walkways. It is also a very drought-tolerant plant once established, making it ideal for xeriscaping.

  • ✓ Attracts pollinators to your garden
  • ✓ Provides aromatic ground cover
  • ✓ Edible leaves for culinary use
  • ✓ Drought tolerant once established
  • ✓ Adds a charming, natural look to your landscape
  • 🐾 Pet Safe

Foxtail Lily

The Foxtail Lily stands out due to its towering flower spikes, which can reach several feet in height. These spikes are densely packed with hundreds of small flowers, creating a dramatic and eye-catching display. The plant's unique root structure, resembling an octopus, also distinguishes it from other bulbous plants.

  • ✓ Adds dramatic vertical interest to the garden.
  • ✓ Attracts pollinators such as bees and butterflies.
  • ✓ Provides a unique and eye-catching focal point.
  • ✓ Offers a sense of accomplishment for experienced gardeners.
  • ✓ Creates a vibrant and colorful display in the landscape.
  • ⚠️ Toxic to pets

📅 Maintenance Schedule — Plant Care Comparison

Creeping Thyme

Repotting Repotting is rarely needed if grown outdoors. If grown in a container, repot every 1-2 years in spring.
Pruning Prune lightly after flowering to maintain shape and encourage bushier growth.
Fertilizing Light feeding in spring with a balanced fertilizer diluted to half strength. Avoid over-fertilizing.
Seasonal Care In winter, reduce watering and protect from excessive moisture. In summer, ensure adequate sunlight and water during dry periods.

Foxtail Lily

Repotting Not applicable indoors. Outdoors, divide clumps every 3-4 years.
Pruning Remove spent flower spikes after blooming. Cut back foliage after it has completely died back in the fall.
Fertilizing Balanced slow-release fertilizer in spring, or a liquid fertilizer diluted to half strength every 4-6 weeks during the growing season.
Seasonal Care In spring, fertilize and provide support for tall flower spikes. In summer, water regularly. In fall, allow foliage to die back naturally. In winter, provide a dry mulch to protect from excessive moisture.

🌞 Light Requirements

Creeping Thyme

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

Low light tolerant: ❌ No

Foxtail Lily

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

Low light tolerant: ❌ No

💧 Watering Needs

Creeping Thyme

Water thoroughly when the soil is dry to the touch. Avoid overwatering, as this can lead to root rot. Allow the soil to dry out slightly between waterings. Indoors, this is very difficult to achieve.

Foxtail Lily

Water deeply when the top inch of soil feels dry. Avoid overwatering, especially during dormancy, as this can lead to root rot. Ensure excellent drainage.

🌡️ Temperature & Humidity

Creeping Thyme

Temperature: 15-24°C

Humidity: 30-50%

Foxtail Lily

Temperature: 10-25°C

Humidity: 30-50%

🤔 Which Plant Is Right For You?

Creeping Thyme

Creeping Thyme

Thymus serpyllum
Care: Expert Time: 5 minutes weekly outdoors; 15 minutes weekly indoors (if attempting to grow indoors) Beginner: No

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

✅ Choose This Plant If...

  • You want a fragrant ground cover that attracts bees.
  • You have a sunny, well-drained garden area.
  • You enjoy using fresh herbs in your cooking.
  • You want a low-maintenance plant that tolerates drought.
  • You want to create a charming, cottage-style garden.

❌ Skip This Plant If...

  • You don't have a sunny location.
  • You tend to overwater plants.
  • You want a plant that thrives indoors without supplemental lighting.
📍 Ideal Location: Outdoors in a rock garden, between stepping stones, or as a ground cover. Indoors, a south-facing window with supplemental grow lights.
🎨 Style: Cottage, Mediterranean, Rustic
🏠 Apartment Friendly: No
⚠️ According to the ASPCA, Thyme is not toxic to dogs, cats, or horses.
Foxtail Lily

Foxtail Lily

Eremurus spp.
Care: Expert Time: 30 minutes weekly during growing season. Beginner: No

Experienced gardeners seeking a dramatic and vertical element in their sunny garden.

✅ Choose This Plant If...

  • You want a dramatic vertical accent in your garden.
  • You have a sunny garden with well-draining soil.
  • You want to attract pollinators to your garden.
  • You appreciate unique and unusual plants.
  • You are an experienced gardener looking for a rewarding challenge.

❌ Skip This Plant If...

  • You have limited sunlight in your garden.
  • You are looking for an easy-to-grow indoor plant.
  • You have pets that might ingest the plant.
  • You live in a very humid climate with poorly draining soil.
📍 Ideal Location: Outdoor garden with full sun exposure.
🎨 Style: Cottage, Mediterranean, Naturalistic
🏠 Apartment Friendly: No
⚠️ The ASPCA lists Eremurus as toxic to dogs, cats, and horses. The toxic principle is unknown. Symptoms include dermatitis.

🎯 Quick Verdict

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

⚡ Key Differences Between These Plants

📈

Creeping Thyme has moderate to fast, can be an aggressive spreader outdoors. growth, while Foxtail Lily grows moderate.

💡 Pro Tips For Comparing These Plants

Creeping Thyme Care Tips

Creeping Thyme is primarily an outdoor plant and requires full sun and well-drained soil. Indoor cultivation is challenging due to the high light requirements and potential for root rot. It can be grown indoors with grow lights and careful watering, but success is not guaranteed.

  • Ensure excellent drainage to prevent root rot.
  • Provide at least 6-8 hours of direct sunlight daily.
  • Prune lightly after flowering to maintain shape.
  • Avoid over-fertilizing, as this can reduce flowering.
  • Water deeply but infrequently, allowing the soil to dry out between waterings.
❄️ Winter: In winter, reduce watering and ensure good drainage to prevent root rot. Protect from excessive moisture, especially in colder climates. Dormancy is normal.
☀️ Summer: In summer, ensure adequate sunlight and water during dry periods. Mulch can help retain moisture and keep the soil cool. Prune lightly after flowering.

Foxtail Lily Care Tips

Foxtail Lilies are not suitable for indoor growing due to their high light requirements and dormancy needs. They require full sun, well-draining soil, and a period of winter dormancy. Indoor attempts will likely result in weak growth and failure to flower.

  • Plant the crown with the roots spread out like an octopus.
  • Ensure excellent drainage to prevent root rot.
  • Provide support for tall flower spikes to prevent them from bending or breaking.
  • Protect from slugs and snails, especially when young.
  • Allow foliage to die back naturally in the fall to replenish the bulb's energy reserves.
❄️ Winter: In winter, Foxtail Lilies require a period of dormancy. Reduce watering significantly and provide a dry mulch to protect the crown from excessive moisture. Avoid disturbing the plant during this time.
☀️ Summer: In summer, water regularly, especially during dry spells. Provide support for tall flower spikes to prevent them from bending or breaking. Monitor for pests such as aphids and slugs.

⚠️ Common Problems & Solutions — Plant Care Comparison

Creeping Thyme

Common Issues: Root rot, spider mites, poor growth due to insufficient light
Solutions: Ensure well-draining soil and avoid overwatering. Increase air circulation. Treat spider mites with insecticidal soap. Provide supplemental lighting if grown indoors.

Foxtail Lily

Common Issues: Root rot, Crown rot, Aphids, Slugs/Snails
Solutions: Ensure excellent drainage to prevent root and crown rot. Use insecticidal soap for aphids. Use slug/snail bait or handpick them off the plants.

❓ Frequently Asked Questions — Comparing These Plants

Creeping Thyme

What are the light requirements for Creeping Thyme?

Creeping Thyme needs at least six to eight hours of direct sunlight each day to thrive and produce abundant blooms. Insufficient light can lead to leggy growth, reduced flowering, and a weaker plant. When planting outdoors, choose a location that receives full sun throughout the day.

How do I care for Creeping Thyme?

Creeping Thyme thrives in full sun (6-8 hours daily) and well-drained soil. Water sparingly, allowing the soil to dry out between waterings to prevent root rot. Avoid overwatering, especially during the dormant winter months. Fertilize lightly in spring with a balanced, slow-release fertilizer to encourage blooming. Prune after flowering to maintain shape and promote denser growth. This also prevents the plant from becoming woody.

How do I propagate Creeping Thyme?

Creeping Thyme is easily propagated through division, stem cuttings, and layering. For division, carefully dig up an established plant and separate the root ball into smaller sections, ensuring each section has healthy roots and foliage. Replant the divisions in well-draining soil.

Foxtail Lily

What are the light requirements for Foxtail Lily?

Foxtail Lilies require at least six to eight hours of direct sunlight per day to thrive and produce their impressive flower spikes. A south-facing location is ideal, ensuring they receive ample sunlight throughout the growing season. Insufficient sunlight can result in weak stems, reduced flowering, and overall poor plant health.

How do I care for Foxtail Lily?

Foxtail Lilies require well-drained soil and a sunny location to thrive. Plant the rhizomes (thickened roots) in the fall, burying them about 4-6 inches deep, with the crown facing upwards. Ensure the soil is amended with organic matter to improve drainage. Water thoroughly after planting and then sparingly until spring growth begins.

How do I propagate Foxtail Lily?

Foxtail Lilies are typically propagated by division of the rhizomes in the fall. Carefully dig up the plant and separate the rhizomes, ensuring each division has at least one growth point. Replant the divisions in well-drained soil.

Last updated: April 30, 2026 — Plant care data reviewed and verified by our editorial team.