Thymus pseudolanuginosus - commonly called woolly thyme - is now also classified as Thymus serpyllum. It was also formerly known as Thymus lanuginosus. This low-growing creeping thyme with hairy or woolly leaves and stems, can be quite difficult to delineate between other hairy and non-hairy creeping thymes

Thymus (genus)

The genus Thymus contains about 350species of aromatic perennial herbaceous plants and subshrubs to 40 cm tall in the family Lamiaceae, native to temperate regions in Europe, North Africa and Asia....

. It is of unknown specific origin in southern Europe

Europe

Europe is, by convention, one of the world's seven continents. Comprising the westernmost peninsula of Eurasia, Europe is generally 'divided' from Asia to its east by the watershed divides of the Ural and Caucasus Mountains, the Ural River, the Caspian and Black Seas, and the waterways connecting...

.

The leaves in wild creeping thyme vary from slightly glabrous (smooth) to sparsely covered in white hairs, or thickly covered on both surfaces, with the margins ciliate (hairy), or just ciliate at the base. Leaf hairiness could be an adaptation to climatic conditions, particularly in mountainous regions.

Cultivation
Thymus pseudolanuginosus is often grown in rock garden

Rock Garden

The Rock Garden or Rock Garden of Chandigarh is a Sculpture garden in Chandigarh, India, also known as Nek Chand's Rock Garden after its founder Nek Chand, a government official who started the garden secretly in his spare time in 1957. Today it is spread over an area of forty-acres , it is...

s where it can form extensive mats.