Five-rib thyme is a low, creeping wild thyme native to northeast Asia, including Japan and Korea, and it doesn't grow wild in the US. It has small fragrant leaves and pale lilac to rose-pink flowers in summer, and it's occasionally grown in gardens.
Appearance
- Growth form
- A creeping, woody-based plant about 4 in (10 cm) tall that spreads along the ground by its stems.
- Leaves
- Small, aromatic, oblong to narrowly oval leaves in opposite pairs.
- Flowers
- Tiny two-lipped flowers, pale lilac to rose pink, clustered in short spikes at the stem tips.
- Flowering time
- July–August in gardens in New York
Where it lives
- Typical habitats
- Rocky mountain slopes
- Coastal rocks
- Dry grassland
- Range
- Native to Japan, Korea, northern China (Manchuria), Mongolia, and Siberia. Not native to the US; grown occasionally in gardens.
Growing it
- Care
- Rated hardy to USDA zone 4. Its creeping stems form a dense mat 1–2 ft (30–60 cm) wide.
Name and classification
- About the name
- Some references treat it as a subspecies of wild thyme (Thymus serpyllum subsp. quinquecostatus).
Conservation
- IUCN Red List
- NENot EvaluatedNot yet assessed
More species to explore
Record what you meet and build your own collection
Your photos are kept with their date and place, and you can fill regional albums one species at a time.





