Fabulous mix of ornamental grasses and other perennials.
Salvia 'Mainacht' http://www.shootgardening.co.uk/plant/salvia-x-sylvestris-mainacht … and Stipa tenuissima http://www.shootgardening.co.uk/plant/stipa-tenuissima …
Privatgarten Petra Pelz
so beautiful! garden in Provence
pamprass grass - Google Search
greencube garden and landscape design, UK: Sculpture in the garden, greencube designs a sculptural ball garden
flowering ground cover, gardening, landscaping, flowers LOVE the idea of planting low-growing, flowering ground cover between flagstone pavers, I'd use the one in the picture, or purple thyme or something like Sweet Vernal grass (vanilla scented)