Thyme
Thymus

Mother of Thyme
Light: Full sun
Height: 6"
Spacing: 12" 
Flower: Late summer
Flower Colour: Pale purple
Foliage: Grey-green
Comments: Good groundcover for hot sunny areas, fragrant leaves 
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Woolly (pseudolanuginosus)
Light: Full sun
Height: 2-3"
Spacing: 20" 
Flower: Summer
Flower Colour: Pink
Foliage: Grey-green
Comments: Tiny fragrant leaves, can be used as a ground cover between   stopping stones or in small spaces 
Thymus pseudolanuginosus (Woolly Thyme)
Red Creeping Thyme (praecox coccineus)
Light: Full sun
Height: 2"
Spread: 16"
Flower: June-July
Flower Colour: Magenta pink
Foliage: Green
Comments: A mat-forming creeping perennial for pathways or the rock garden, will tolerate light foot traffic, an edible herb as well.
Red Creeping Thyme (Thymus Coccineus Group)