Every garden should have a
Carex elata 'Bowles Golden' I do believe, for it offers radiance even in the darkest days.

A slow growing broad-leaf sedge with white margins,
Carex siderosticha 'variegata' (KAIR-ex sid-er-oh-STEE-cah), partners with several alstromeria and this true blue of my favorite
Salvia patens.