Mother-of-thyme
Thymus serphyllum · Lamiaceae
The gardener's calendar
Ideal time to plant mother-of-thyme: set it out when the soil is neither frozen nor waterlogged, and water generously as it establishes.
ID card
- Scientific name
- Thymus serphyllum
- Family
- Lamiaceae
- Foliage
- Evergreen, very finely toothed
- Flowering
- June to August, pink, purple or white flowers
- Adult size
- 10 to 30 cm tall, creeping and carpeting habit
- Hardiness
- Very hardy, down to -20°C
- Origin
- Southern and central Europe, mountainous regions
- Soil type
- Well-drained, stony, poor to moderately fertile
✓ Taxonomy verifiedSource: AI estimate · hardiness: reliability high.
Expert tips
The key tip
Thymus serphyllum practically grows on its own after establishment: well-drained soil, sun, and blissful neglect. No fertilizer, no regular watering, just light.
The common mistake
Treating it like a delicate plant and watering it regularly: it'll rot.
The pro's trick
Harvest regularly (summer mornings after the dew dries) for cooking or drying: this harvest replaces pruning.
Care
Light exposure
Creeping thyme requires a sunny location to develop well and produce abundant flowering. Aim for 6 to 8 hours of direct sunlight daily. In partial shade, the plant becomes less dense and less fragrant.
Watering
Very undemanding in terms of water, creeping thyme tolerates dry periods. Water moderately when planting, then gradually space out watering. Avoid excess moisture which promotes root rot, particularly in winter.
Soil
Well-drained soil is essential: add gravel or sand if your soil is too compacted. This plant prefers poor to moderately fertile soils and adapts well to stony or rocky terrain. Slightly acidic to neutral pH is ideal.
Pruning and harvesting
Prune lightly after flowering (August-September) to maintain a compact habit and encourage branching. You can harvest fresh stems throughout the year to flavor your dishes. Avoid cutting too short in autumn to preserve hardiness.
Fertilizer
No fertilizer is necessary. Creeping thyme actually prefers lean conditions that strengthen its flavor and aroma. Excessive fertilizer would promote lush growth at the expense of aromatic concentration.
Diseases and pests
Very resistant, creeping thyme is rarely affected by diseases. Excess moisture can cause root rot or mold. Ensure perfect drainage. No specific pests significantly affect this robust plant.
Did you know?
Creeping thyme was once called the "herb of the Virgin" or "Alpine thyme" and was used in medieval pharmacopeias for its supposed tonic and antiseptic properties. Its scientific name "serphyllum" literally means "that creeps on the ground," referring to its characteristic prostrate habit that makes it an excellent ground cover in mountain regions.
Where to buy it
Plant in spring or early autumn, avoiding spells of intense heat. Pick a plant with healthy foliage and roots that are not exposed. Best time: March, April, May, September.
Add this plant to my garden →Plants from the same family
- ThymeThymus vulgaris
- LavenderLavandula angustifolia
- RosemarySalvia rosmarinus
- SageSalvia officinalis
- BasilOcimum basilicum
- BugleAjuga reptans
Tips generated and checked by Viridia — adapt them to your local climate.