Related Terms. 1  operating system virtualization. 2  mobile operating system (OS). 3  OS-operating system. 4  server operating system. 5  system. 6  Microsoft Windows XP operating system. 7  Linux OS (Operating System). 8  paravirtualized operating system. 9  NOS-network operating system. 10  Chrome OS.
Plant evergreen ornamental varieties for year-round specimen plants. Grasses include blue oat grass (Helictotrichon sempervirens) and tall blue fescue (Festuca amethystine). Blue oat grass is a semi-evergreen fountain grass. It grows well in zones 4 through 9 and needs dry, well-drained soil.
Euonymus bushes (Euonymus spp.), also called spindle plants or trees, come in two categories, deciduous and evergreen. Deciduous kinds usually have colorful fall foliage and fruits. Evergreen types with variegated foliage are most popular.Euonymus have insignificant flowers in spring.vergreen Euonymus. Japanese spindle (Euonymus japonicus) can reach 20 feet tall. The species has glossy, oval medium-to dark-green leaves and is hardy in U.S. Department of Agriculture plant hardiness zones 6 through 9.