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Thymus serpyllum (Creeping Thyme)

Creeping Thyme, Wild Thyme, Breckland Thyme, Mother of Thyme

Creeping Thyme, Wild Thyme,  Breckland Thyme, Drought tolerant perennial, seaside plant, aromatic perennial, fragrant perennial
Creeping Thyme, Wild Thyme,  Breckland Thyme, Drought tolerant perennial, seaside plant, aromatic perennial, fragrant perennial
Creeping Thyme, Wild Thyme,  Breckland Thyme, Drought tolerant perennial, seaside plant, aromatic perennial, fragrant perennial

Thymus serpyllum – Creeping Thyme: A Complete Guide

Thymus serpyllum, commonly known as Creeping Thyme or Wild Thyme, is a low-growing, aromatic, perennial sub-shrub in the mint family (Lamiaceae). Native to northern Europe, western Asia, and North Africa, this hardy ground cover is beloved for its dense, mat-forming growth, fragrant foliage, and profuse pink to purple blooms. Unlike its close relative Thymus vulgaris, which is often used in cooking, Creeping Thyme is more ornamental, though still edible and highly attractive to pollinators.

Aside from creeping thyme, the Lamiaceae family includes other well-known culinary herbs such as rosemary, basil, mint, sage, and oregano.

Native Range

Creeping Thyme is native to the temperate regions of Europe, Asia, and North Africa. It thrives in rocky hillsides, open woodlands, and sandy meadows, often in dry, sunny conditions with well-drained soil.

Plant Type and Habit

Creeping Thyme is a low-growing, spreading sub-shrub with a mat-forming habit. It typically grows 1-3 inches (2.5–7.6 cm) tall and spreads 12–18 inches (30–45 cm) or more. Its small, oval leaves are aromatic when crushed, and its soft stems root readily where they touch the ground, making it a superb living mulch.

Flowers

This thyme produces small, tubular flowers in vibrant shades of pink and purple from late spring to early fall, with the peak bloom occurring from June to August in most temperate climates. These flowers cover the plant in a dense carpet of color and attract a variety of pollinators, including bees and butterflies. typically blooms

Foliage

The evergreen foliage is tiny, dark green to grayish-green, and often fuzzy or slightly hairy. When walked on or brushed, it releases a pleasant, herbaceous scent, making it ideal for walkways or between stepping stones.

Hardiness

Creeping Thyme is hardy in USDA zones 4–9. It tolerates cold winters, hot summers, and drought once established. In colder climates, the foliage may die back slightly in winter but regrows in spring.

Uses

  • Ornamental: Provides long-lasting color and soft texture to borders, paths, containers, and cottage-style gardens.
  • Groundcover: Ideal for rock gardens, slopes, and between pavers, where it suppresses weeds and adds fragrance and visual interest.
  • Lawn Alternative: A no-mow, drought-tolerant alternative to turf grass in lightly trafficked areas. Colorful Creeping Thyme Varieties As Lawn Alternatives
  • Container: Thrives in pots and troughs, making it a charming choice for patios, balconies, and small-space gardening.
  • Rock Wall: Perfect for cascading over stone walls, where it softens hard edges and adds visual appeal.
  • Slope/Bank: An excellent erosion-control plant for dry slopes, offering dense coverage and resilience in poor soil.
  • Walkways: Its low profile and aromatic foliage make it ideal for planting between stepping stones or along garden paths.
  • Cottage Garden: A classic fit for informal cottage gardens, where it blends beauty and utility with minimal care.
  • Drought Tolerant Garden: A reliable choice for xeriscaping and low-water landscapes, thriving in tough, sun-drenched conditions.
  • Pollinator Garden: A top choice for pollinator-friendly gardens thanks to its extended bloom season and rich nectar.
  • Rock Garden: Naturally suited to rocky soils and crevices, adding softness and color to alpine or dry garden settings.
  • Coastal Garden: With its tolerance to wind, sandy soils, and salt spray, creeping thyme is a hardy option for seaside landscapes.
  • Border: An attractive edging plant with evergreen foliage that provides year-round structure and seasonal blooms.
  • Mosquito Repellent: Like other thymes, it helps repel mosquitoes with its fragrant essential oils.

Wildlife Value

Creeping Thyme is a magnet for pollinators, especially bees and butterflies. Its long blooming period and low-growing habit provide both nectar and shelter for beneficial insects. Butterflies are particularly attracted to its flowers, making it a valuable addition to pollinator-friendly gardens. It also serves as a host plant for the Common Blue butterfly (Polyommatus icarus) and the endangered Large Blue butterfly (Phengaris arion).

Drought Tolerance

Once established, it is drought-tolerant. Ideal for xeriscaping, dry slopes, and gravel gardens, it requires minimal watering in most climates.

Deer and Rabbit Resistance

Its strong aroma and essential oils make it unpalatable to deer and rabbits, making it a safe choice for wildlife-prone landscapes.

Toxicity

According to the ASPCA, thyme is non-toxic to cats, dogs, and horses. However, thyme oil in large doses may cause mild digestive upset in pets and people.

Invasiveness

Not considered invasive, but in optimal conditions, it can spread extensively by rooting at nodes. Contain with edging or plant where it can roam freely.

Creeping Thyme, Wild Thyme,  Breckland Thyme, Drought tolerant perennial, seaside plant, aromatic perennial, fragrant perennial


Benefits and Drawbacks of Creeping Thyme

Benefits

  • Drought Tolerant: Creeping Thyme thrives in dry soils thanks to its deep root system, making it ideal for xeriscaping and low-water gardens.
  • Easy to Maintain: Once established, it requires very little upkeep—no mowing, minimal watering, and rare fertilizing.
  • Weed Control: Its dense, spreading habit naturally suppresses weeds by crowding them out, reducing the need for manual weeding.
  • Pollinator Magnet: The small, nectar-rich flowers attract bees and butterflies, helping to support healthy pollinator populations.
  • Fragrant and Beautiful: When stepped on or brushed against, the leaves release a pleasant scent. The colorful blooms add charm to any garden.
  • Highly Versatile: Suitable for borders, rock gardens, between pavers, or as a lawn substitute in low-traffic areas.
  • Deer Resistant: Rarely browsed by deer, making it a good choice in areas where wildlife pressure is a concern.
  • Aromatic and Medicinal: Contains natural compounds with antimicrobial and soothing properties, traditionally used in herbal remedies and aromatherapy.

Drawbacks

  • Slow to Establish: It can take a full season or more to form a dense ground cover, requiring patience during early growth.
  • Limited Foot Traffic: Best suited for areas with light foot traffic; excessive walking can damage the plants.
  • Needs Full Sun: Performs poorly in shaded areas, where it may become leggy and flower less.
  • Sensitive to Overwatering: Prefers dry, well-drained soil. Excessive moisture can lead to root rot and fungal problems.
  • Higher Initial Cost: Installing a thyme ground cover can be more expensive than traditional grass lawns, especially when using plugs or starter plants.
  • Weeding in Early Stages: Until the plants mature and spread, regular weeding is needed to keep invasive plants at bay.
  • Spreading Habit: Creeping Thyme can spread into unintended areas if not regularly trimmed or contained.

Popular Types of Creeping Thyme

There are several attractive cultivars of Creeping Thyme, each offering unique foliage color, bloom time, and growth habit. Below are some popular varieties commonly used in gardens and landscapes:

  • Thymus serpyllum ‘Elfin’: A compact, low-growing variety with tiny green leaves and soft lavender-pink flowers. Ideal for between pavers or as a ground-hugging carpet.
  • Thymus serpyllum ‘Coccineus’: Known for its vibrant magenta to reddish-pink flowers and vigorous spreading habit. This red creeping thyme provides a colorful summer display.
  • Thymus serpyllum ‘Pink Chintz’: Early-blooming thyme with soft salmon-pink flowers and fuzzy, gray-green foliage. Tolerates poor soil and drought well.
  • Thymus serpyllum ‘Magic Carpet’: Features dense mats of dark green foliage and bright pink blooms. Excellent for erosion control on slopes.
  • Thymus praecox ‘Doone Valley’: Sometimes grouped with creeping thyme, this variety has golden-margined leaves and purple flowers. It adds ornamental foliage interest throughout the year.
  • Thymus pseudolanuginosus (Woolly Thyme): Grown more for its soft, fuzzy gray-green foliage than for flowers. It has a slow, creeping habit and is ideal for dry areas, stepping stones, and ornamental borders.

How to Grow and Care for Creeping Thyme

Creeping Thyme is a tough, easy-care ground cover that thrives in sunny, well-drained areas. Here’s how to plant and care for this charming perennial.

Planting

  • When to Plant: Plant in early spring when the soil is workable, or in fall at least five weeks before the first expected frost.
  • Where to Plant: Choose a location that gets full sun and has loose, well-drained soil. Creeping Thyme grows best in sandy or rocky soils with a neutral to slightly alkaline pH (6.5 to 7.5). Space plants about 12 inches apart to allow for spreading.

Light Requirements

Creeping Thyme performs best in full sun, needing at least six hours of direct sunlight each day. It can grow in partial shade but may produce fewer flowers.

Soil and Fertilizer

Excellent drainage is essential. Avoid planting in wet or compacted soils, as this can lead to root rot. In poor soils, you can improve fertility by adding compost before planting or applying a balanced organic fertilizer in early spring. In most cases, no fertilizer is needed once established.

Watering

Water regularly during the first few months after planting to help roots establish. Keep the soil moist but not waterlogged. Once mature, water every 10 days or during long dry spells, allowing the soil to dry between waterings.

Temperature and Humidity

Creeping Thyme is hardy in USDA zones 4 through 9. It prefers dry, open conditions and may struggle in humid areas. If grown in high humidity, increase airflow around the plant and consider adding gravel or coarse sand at the base to keep foliage dry.

Pruning

Pruning Creeping Thyme is not strictly necessary, but it helps maintain a neat, compact appearance and encourages healthy, vigorous growth. Occasional trimming also prevents the center of the plant from becoming woody or bare over time.

When to Prune

  • In early spring: Remove any winter-damaged or dead stems before new growth begins to promote healthy regrowth.
  • After flowering: Lightly trim back the plant once it has finished blooming, typically in late summer. This helps maintain shape and may encourage a second flush of flowers.

How to Prune

  • Use clean, sharp scissors or garden shears to cut back the stems by one-third.
  • Avoid cutting into old, woody stems as the plant may not regrow from them.
  • Focus on shaping the plant evenly to maintain a low, spreading habit.

Tips

  • Regular pruning can extend the plant’s lifespan and keep it looking full and lush.
  • Pruned clippings can be dried and used for culinary or aromatic purposes.
  • If the plant becomes sparse in the center, consider dividing and replanting in spring to rejuvenate the patch.

Overwintering

In colder climates, apply a 2 to 3 inch layer of mulch after the first frost to help insulate the roots and maintain soil temperature. For thyme grown in containers, move pots to a sheltered location to avoid damage from freezing or heavy winter rains.

Creeping Thyme, Wild Thyme,  Breckland Thyme, Drought tolerant perennial, seaside plant, aromatic perennial, fragrant perennial


How to Propagate Creeping Thyme

By Division

Divide mature plants in late spring or early summer. Carefully separate clumps, making sure each section has healthy roots, and replant promptly.

By Stem Cuttings

In spring or summer, take 4–6 inch cuttings from non-flowering stems. Dip in rooting hormone if desired, and plant in moist, well-drained potting mix. Keep in a bright, warm spot until roots form and new growth appears.

By Seed

Start seeds indoors 8 to 10 weeks before the last frost or sow directly outdoors when temperatures stay above 60°F. Do not cover the seeds with soil, as they need light to germinate. Keep the soil moist until seedlings emerge.


Common Pests and Diseases of Creeping Thyme

Creeping Thyme is generally a hardy and resilient plant with few serious pest or disease issues. However, certain conditions can make it vulnerable to problems, particularly in poorly drained or overly humid environments.

Pests

  • Aphids: These small insects may appear on new growth and flower stems. They can be controlled with a strong spray of water or insecticidal soap if infestations persist.
  • Spider mites: In hot, dry conditions, spider mites may appear, leaving tiny webs and causing leaf discoloration. Improve humidity and use neem oil or insecticidal soap as needed.
  • Thrips: These slender insects can damage flowers and foliage. Natural predators or organic sprays can help manage them.

Diseases

  • Root Rot: Caused by waterlogged soil or poor drainage. Ensure the planting site has excellent drainage, and avoid overwatering.
  • Powdery mildew: May occur in humid or shaded conditions, appearing as a white powdery coating on leaves. Improve airflow and avoid overhead watering.
  • Botrytis Rot (Gray Mold): This fungal disease causes soft, gray mold on leaves and stems, especially in cool, damp weather. Remove affected parts and space plants well to reduce humidity.

Prevention Tips

  • Plant in full sun with well-drained soil to reduce disease risk.
  • Space plants properly to ensure good air circulation.
  • Avoid overhead watering and water early in the day to allow foliage to dry quickly.
  • Inspect plants regularly to catch problems early and take action if needed.

Frequently Asked Questions about Creeping Thyme

Is Creeping Thyme Edible?

Yes, Creeping Thyme (Thymus serpyllum) is edible. Both its leaves and flowers can be used in culinary applications to enhance dishes with aromatic flavor and visual appeal. Its leaves can be used fresh or dried to flavor soups, stews, meats, and herbal teas. While it has a milder flavor than common culinary thyme (Thymus vulgaris), it is still aromatic and useful in the kitchen. The flowers can be added as a garnish to salads for color and a subtle thyme flavor.

What Are the Disadvantages of Creeping Thyme?

  • Slow Establishment: It may take a full growing season or longer to fill in as ground cover.
  • Limited Foot Traffic Tolerance: It cannot handle heavy or frequent walking without damage.
  • Sunlight Needs: It performs poorly in shade and may grow leggy or thin in low-light conditions.
  • Root Rot Risk: Poor drainage or overwatering can lead to fungal diseases and root issues.
  • Invasiveness: Without regular pruning, it may spread into unwanted areas.

How Long Does It Take for Creeping Thyme to Spread?

Creeping Thyme spreads gradually and typically takes one to two growing seasons to form a dense mat, depending on growing conditions, spacing, and climate. Regular watering during establishment can speed up growth.

Where Is the Best Place to Plant Creeping Thyme?

The ideal location is a sunny, well-drained area such as a rock garden, slope, or between stepping stones. It thrives in lean, sandy or gravelly soils with minimal competition from taller plants. Raised beds and borders with good airflow also work well.

What Does Creeping Thyme Look Like in Winter?

In mild climates, Creeping Thyme often remains evergreen, with its foliage staying low and close to the ground. In colder regions, it may turn brown or go dormant, but will regrow from the roots in spring. Applying mulch in late fall can help protect the roots during freezing temperatures.

Requirements

Hardiness 4 - 9
Heat Zones 1 - 9
Climate Zones 1, 1A, 1B, 2, 2A, 2B, 3, 3A, 3B, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, A2, A3
Plant Type Perennials, Shrubs
Plant Family Lamiaceae
Genus Thymus
Common names Thyme, Creeping Thyme
Exposure Full Sun
Season of Interest Spring (Late), Summer (Early, Mid, Late), Fall
Height 1" - 3" (3cm - 8cm)
Spread 1' - 2' (30cm - 60cm)
Spacing 12" - 18" (30cm - 50cm)
Maintenance Low
Water Needs Low
Soil Type Chalk, Loam, Sand
Soil pH Alkaline, Neutral
Soil Drainage Well-Drained
Characteristics Fragrant, Showy, Evergreen
Native Plants United Kingdom
Tolerance Drought, Deer, Rabbit, Salt, Dry Soil, Rocky Soil
Attracts Bees, Butterflies
Garden Uses Banks And Slopes, Beds And Borders, Edging, Ground Covers, Patio And Containers
Garden Styles City and Courtyard, Informal and Cottage, Gravel and Rock Garden, Coastal Garden, Mediterranean Garden
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Alternative Plants to Consider

Thymus Coccineus Group (Red Creeping Thyme)
Thymus serpyllum ‘Magic Carpet’ (Creeping Thyme)
Thymus pulegioides ‘Aureus’ (Golden Large Thyme)
Thymus citriodorus ‘Doone Valley’ (Lemon Thyme)
Thymus ‘Silver Queen’ (Lemon Thyme)
Thymus vulgaris (Common Thyme)

Recommended Companion Plants

Gaillardia (Blanket Flower)
Lavandula angustifolia (English Lavender)
Sedum (Stonecrop)

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While every effort has been made to describe these plants accurately, please keep in mind that height, bloom time, and color may differ in various climates. The description of these plants has been written based on numerous outside resources.
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Requirements

Hardiness 4 - 9
Heat Zones 1 - 9
Climate Zones 1, 1A, 1B, 2, 2A, 2B, 3, 3A, 3B, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, A2, A3
Plant Type Perennials, Shrubs
Plant Family Lamiaceae
Genus Thymus
Common names Thyme, Creeping Thyme
Exposure Full Sun
Season of Interest Spring (Late), Summer (Early, Mid, Late), Fall
Height 1" - 3" (3cm - 8cm)
Spread 1' - 2' (30cm - 60cm)
Spacing 12" - 18" (30cm - 50cm)
Maintenance Low
Water Needs Low
Soil Type Chalk, Loam, Sand
Soil pH Alkaline, Neutral
Soil Drainage Well-Drained
Characteristics Fragrant, Showy, Evergreen
Native Plants United Kingdom
Tolerance Drought, Deer, Rabbit, Salt, Dry Soil, Rocky Soil
Attracts Bees, Butterflies
Garden Uses Banks And Slopes, Beds And Borders, Edging, Ground Covers, Patio And Containers
Garden Styles City and Courtyard, Informal and Cottage, Gravel and Rock Garden, Coastal Garden, Mediterranean Garden
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Do I Need?
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Thymus (Thyme)
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