Northwest Blooms · Groundcovers
Thymus serpyllum ‘Alba’
White Thyme

- Family
- Lamiaceae
- Height
- 1 to 3 inches
- Width
- 12 to 18 inches, mat-forming groundcover
- Flower color
- White
- Foliage color
- Green, small aromatic leaves
- Bloom time
- Late spring to early summer
- Light
- Full sun
- Water
- Low; drought-tolerant
- Maintenance
- Low; minimal care
- Growing zone
- USDA Zones 4 to 8
- Wildlife
- Attracts bees, butterflies, and other pollinators
About this plant
Thymus serpyllum 'Alba' is a charming ground cover known for its delicate, white blooms that appear in summer. The tiny, fragrant flowers create a carpet of snowy white, contrasting beautifully with its dense, green foliage. As a member of the thyme family, it releases a pleasant herbal scent when brushed or walked upon, making it a popular choice for pathways, rock gardens, or herb gardens.
Native to Europe, 'Alba' is a variation of wild thyme that thrives in sunny, well-drained locations. Its long-lasting blooms and aromatic nature make it a versatile addition to gardens where fragrance and low-maintenance ground cover are desired. The white flowers attract pollinators, adding ecological value to its ornamental appeal.
Works well in
Rock Gardens · Pathways & Walkways · Borders · Pollinator Gardens
Companion plants
Arabis · Potentillas · Lavenders · Catmints · Sedums · Blue oat grass
Design tip
Use broad drifts of white flowers to brighten sunny plantings and create a cooling effect during the warmest months. Repeat pockets of white blooms throughout the landscape to unify colorful companions while adding fragrance, texture, and seasonal continuity.
