Quick Facts. The Region. 1  Vancouver is the fourth largest city in the state of Washington with a population of 159,000. 2  It is located in Clark County, the oldest and fastest growing county in the state, which has a total population of 425,000.
'Tuscan Blue' rosemary Rosmarinus officinalis 'Tuscan Blue' is one of the best rosemary varieties for topiaries. It develops dense blue-green foliage that's easily sheared to any shape. It's highly fragrant and has many uses in the kitchen. It grows 4 feet tall. It grows as an annual except in Zones 8-10.
The thin leaves of rosemary plants are edible. Common rosemary (Rosmarinus officinalis) is desirable for its beautiful spring blooms, hardy nature and versatility. Rosemary has been hybridized to produce a number of cultivars. Because common rosemary is edible, all varieties are edible, but they do slightly vary in flavor, and in their growth habits. Rosemary plants grow as perennials in U.S. Department of Agriculture plant hardiness zones 7 through 10.