HeirloomContainer OK

Creeping Thyme

Thymus serpyllum

Creeping Thyme is a low-growing ground cover herb that forms dense, spreading mats ideal for rock gardens, pathways, and borders. This heirloom variety matures in 90-95 days and reaches just 6-12 inches tall with delicate, fine-textured foliage. Unlike culinary thyme varieties, it offers a milder, more subtle thyme flavor, making it better suited for ornamental use and gentle seasoning. Hardy and drought-tolerant, it thrives in full sun with well-drained, sandy or rocky soils, even tolerating poor soil conditions. Its prostrate growth habit and ease of care make it an excellent low-maintenance ground cover for gardeners of all skill levels.

Harvest

90-95d

Days to harvest

📅

Sun

Full sun

☀️

Zones

4–9

USDA hardiness

🗺️

Height

2-3 inches

📏

Planting Timeline

Zone:

Jan

Feb

Mar

Apr

May

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Sep

Oct

Nov

Dec

Transplant

Showing dates for Creeping Thyme in USDA Zone 7

All Zone 7 ground-cover →

Zone Map

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Creeping Thyme · Zones 4–9

What grows well in Zone 7? →

Growing Details

Difficulty

Easy

Spacing6-12 inches

SoilWell-drained, sandy or rocky soil, tolerates poor soils

pH6.0-8.0

WaterLow to moderate, drought tolerant once established

SeasonPerennial

FlavorMild thyme flavor, less intense than culinary thyme

ColorPurple, pink, or white flowers with small gray-green leaves

SizeSpreads 12-18 inches wide per plant

Zone-by-Zone Planting Calendar

Zone	Indoor Start	Transplant	Direct Sow	Harvest
Zone 4	—	June – July	—	—
Zone 5	—	May – July	—	—
Zone 6	—	May – July	—	—
Zone 7	—	May – June	—	—
Zone 8	—	April – June	—	—
Zone 9	—	March – May	—	—

Complete Growing Guide

Light: Full sun (6 or more hours of direct sunlight a day). Soil: Loam (Silt), Sand, Shallow Rocky. Soil pH: Alkaline (>8.0), Neutral (6.0-8.0). Drainage: Good Drainage, Occasionally Dry, Very Dry. Height: 0 ft. 2 in. - 0 ft. 3 in.. Spread: 0 ft. 3 in. - 0 ft. 10 in.. Spacing: 12 inches-3 feet. Growth rate: Rapid. Maintenance: Low. Propagation: Seed.

Harvesting

The fruit is a schizocarp and has four locules or small separate cavities. When the fruit dries, it will split into four sections. Each section contains the seeds.

Type: Schizocarp. Length: < 1 inch. Width: < 1 inch.

Harvest time: Fall

Edibility: This plant is primarily ornamental and is rarely used in cooking.

Storage & Preservation

Fresh creeping thyme is best stored in the refrigerator in a damp paper towel or plastic bag, where it will last 1-2 weeks at 35-40°F with moderate humidity. For longer preservation, hang-dry bundles in a warm, well-ventilated area away from direct sunlight for 1-2 weeks until brittle, then store in airtight containers. Alternatively, freeze fresh sprigs in ice cube trays with water or olive oil for up to 3 months, or infuse into herbal salt by layering with sea salt in jars. Dried creeping thyme retains mild flavor well and is ideal for tea blends and culinary uses.

History & Origin

Origin: Northern Europe, Western Asia, and Northern Africa

Advantages

+Attracts: Bees, Butterflies
+Edible: This plant is primarily ornamental and is rarely used in cooking.
+Fast-growing
+Low maintenance

Companion Plants

Lavender, rosemary, oregano, and sage are the natural neighbors here — all four share creeping thyme's preference for full sun, lean soil, and infrequent water. Planting them together isn't just aesthetic convenience; none of them will outcompete thyme for moisture the way a thirstier plant would. Yarrow and sedum work for the same reason: low water demand, good drainage tolerance, and no allelopathic chemistry that bothers thyme. Chamomile draws in parasitic wasps that keep the aphid populations that occasionally show up from ever getting established. Alliums — chives, garlic, onions — pull their weight as neighbors too, with sulfur compounds that are thought to deter certain soil pests.

Black walnut is a hard no. The juglone it releases into the soil is toxic to a wide range of plants, and thyme doesn't escape it — Purdue Extension has documented sensitivity in many herbs and ground covers. Mint is a different problem: not chemistry, but flat-out aggression. In our zone 7 Georgia garden, mint runs hard from May through September and will physically crowd a low mat-former like creeping thyme out of its own space within a season. Large hostas are mostly a shade problem — their canopy is enough to thin the thyme and cut bloom production noticeably.

Plant Together

Lavender

Both Mediterranean herbs with similar water and soil requirements, repel pests together

Rosemary

Compatible drought-tolerant herbs that enhance each other's aromatic properties

Oregano

Similar growing conditions and both attract beneficial pollinators like bees

Sage

Complementary herb with matching sun and drainage needs, deters harmful insects

Sedum

Both low-growing, drought-tolerant plants that create excellent groundcover combinations

Yarrow

Attracts beneficial insects and improves soil health while tolerating similar conditions

Chamomile

Attracts beneficial insects and may enhance the essential oil production of thyme

Alliums

Natural pest deterrent that complements thyme's insect-repelling properties

Keep Apart

Black Walnut

Produces juglone which is toxic to many plants including thyme

Mint

Aggressive spreader that can outcompete and overwhelm low-growing thyme

Large Hosta

Creates too much shade and competes for space with low-growing thyme

Pests & Disease Resistance

Resistance

Excellent disease resistance, very hardy

Common Pests

Aphids (rare), spider mites in hot weather

Diseases

Root rot in poorly drained soils

Troubleshooting Creeping Thyme

What you'll see, why it happens, and what to do about it.

Stems rotting at the base, plants collapsing in patches — often after a wet stretch

Likely Causes

Root rot (Pythium or Phytophthora spp.) from waterlogged or poorly drained soil
Planting in heavy clay without amendment or raised grade

What to Do

1.Pull the dead patches out entirely — they won't recover, and leaving them spreads the problem
2.Improve drainage before replanting: work in coarse sand or fine gravel to a depth of 4-6 inches, or build up the bed grade by 2-3 inches
3.Don't irrigate established creeping thyme unless you've had less than 1 inch of rain over 3+ weeks — it prefers dry over wet, full stop

Fine webbing on stems and foliage, leaves stippled gray-silver and dropping, usually in July or August

Likely Causes

Spider mites (Tetranychus urticae) — thrive when temps stay above 90°F and humidity dips

What to Do

1.Blast the affected stems with a firm stream of water — mites don't reattach well once knocked off
2.If the infestation is heavy, spray with insecticidal soap (diluted per label) in the early morning before the sun hits; repeat every 5-7 days for 2-3 applications
3.Shear the whole mat back by about one-third after the flush passes — this also refreshes leggy growth

Thin, pale, stretched growth with few flowers and sparse coverage, even in an established planting

Likely Causes

Too much shade — creeping thyme needs 6+ hours of direct sun to grow densely
Soil that is too rich or over-fertilized (high nitrogen pushes soft, floppy growth)

What to Do

1.Relocate to a sunnier spot, or remove whatever is casting shade — even partial-day competition from a nearby shrub matters at 2-3 inches of plant height
2.Stop fertilizing; creeping thyme performs best in lean, low-fertility soil with a pH between 6.0 and 8.0
3.Shear back the stretched stems by half to encourage tighter, bushier regrowth

Frequently Asked Questions

How long does fresh creeping thyme last in the fridge?▼

Fresh creeping thyme keeps 1-2 weeks when stored in a refrigerator at 35-40°F, wrapped in a damp paper towel or sealed plastic bag. Ensure good humidity to prevent wilting. For extended storage, drying or freezing are better methods that preserve the mild flavor for several months.

Is creeping thyme good for beginners?▼

Yes, creeping thyme is excellent for beginners. It's rated as 'Easy' difficulty, requires full sun and well-drained soil, tolerates poor soils, and is drought-tolerant once established. It's a hardy perennial (Zones 5-8) with minimal pest issues, making it forgiving and low-maintenance for new gardeners.

Can you grow creeping thyme in containers?▼

Yes, creeping thyme grows well in containers with good drainage. Use sandy or rocky potting mix, place in full sun (6+ hours), and water moderately. Container growing works especially well in regions outside Zones 5-8, as pots can be moved to shelter during harsh winters. Containers also showcase its trailing habit nicely.

What does creeping thyme taste like?▼

Creeping thyme has a mild, delicate thyme flavor that's less intense than culinary thyme varieties. It's herbaceous and slightly minty with subtle earthy notes. This makes it pleasant for herbal teas, garnishes, and light culinary applications where a softer thyme presence is desired.

When should I plant creeping thyme?▼

Plant creeping thyme in spring or early fall for best establishment. Spring planting (after last frost in Zone 5-8) allows the plant to develop roots before summer heat. Fall planting works in mild climates. Space plants 12-18 inches apart in full sun with well-drained soil, then water regularly until established (2-3 weeks).

How does creeping thyme compare to regular culinary thyme?▼

Creeping thyme is lower-growing, spreads horizontally to form ground cover, and has a milder flavor than culinary thyme. Culinary thyme is more upright, more intensely flavored, and better for cooking. Creeping thyme excels as a fragrant ground cover tolerating light foot traffic, while culinary thyme is preferred for robust seasoning.