how big does tuscan blue rosemary grow
'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.