Ground Cover Thyme
Woolly Thyme is a creeping ground cover that lives up to its name with the hairiest, softest foliage of all the thymes. This mat-forming perennial reaches just half an inch tall but spreads gracefully across rocky or sandy soil to 12 inches wide, making it exceptionally useful for alpine gardens, rock gardens, and challenging slopes where other plants struggle. Hardy in zones 5 to 8, it produces tiny pale pink flowers in June and July while asking very little in return: full sun, good drainage, and a willingness to ignore it. The gray-green leaves and fuzzy texture create a cloud-like appearance that's as tactile as it is visually striking, and butterflies love the delicate summer blooms.
6-12 inches apart
Full Sun
Moderate
5-8
3in H x 12in W
Perennial
Low
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The soft, hairy texture of Woolly Thyme's gray-green leaves makes it the fuzziest member of the thyme family, creating a velvety ground cover that invites you to run your hand across it. Unlike culinary thymes, this variety's leaves lack significant fragrance and aren't meant for the kitchen, freeing you to grow it purely for its ornamental qualities. It thrives in lean, rocky soil where fussy plants perish, tolerates drought with ease, and shrugs off deer pressure entirely, making it a resilient choice for slopes and rock gardens in cooler climates.
Woolly Thyme serves primarily as an evergreen ground cover and ornamental perennial, prized for rock gardens, alpine troughs, slopes, and maritime climates where its tough constitution and low stature shine. Its soft, woolly texture and delicate pink flower display make it a landscape accent rather than a culinary herb, distinguishing it from more aromatic thyme varieties.
Cut back stems as necessary to maintain plant appearance, control spread, or prevent the development of woody, unsightly growth. Pruning helps keep the mat dense and attractive rather than leggy or bare in the center.
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