Japanese gardens rely on subtle color contrast and bold textural differences to create interest. Here chartreuse and green hostas surround the base of a tree while variegated hakone grass softens the edge of the bed.
7 Design Lessons from Japanese Gardens - Watch this short PechaKucha Presentation by Jenny Feuerpeil to see what she learnt as a garden designer from 3 years of working in and studying Japanese gardens: http://www.pechakucha.org/presentations/7-design-lessons-from-japanese-gardens | Real Japanese Gardens
Dwarf Japanese Cedar (Cryptomeria japonica 'Globosa Nana'). A superb selection that retains a neat, dense mound with little care. Enjoy as a single specimen or group as a filler. Fine-textured foliage breaks up the bold effects of large-leaved plants. Foliage becomes rusty red in winter. Evergreen. Slowly forms a dense dome 2 to 3 ft. tall, slightly wider; 4 to 8 ft. tall with age.