description Salvia rosmarinus Overview
Salvia rosmarinus, commonly known as rosemary and formerly classified as Rosmarinus officinalis, is an aromatic evergreen shrub native to the Mediterranean region. Its narrow, needle-like leaves are used as a culinary herb, and its volatile oils give the plant its characteristic fragrance. Rosemary grows well in sunny, well-drained sites, tolerates drought after establishment, and produces small flowers that provide nectar for pollinating insects.
help Salvia rosmarinus FAQ
Why was rosemary renamed Salvia rosmarinus?
Botanical research placed rosemary within the genus Salvia, so the accepted name became Salvia rosmarinus. The older name Rosmarinus officinalis remains common on plant labels, recipes, and older reference works.
Can Salvia rosmarinus survive winter outdoors?
Rosemary tolerates mild winters but can be damaged by prolonged hard frost, especially in wet soil. In colder regions it is often grown in a container and moved to a bright, cool, frost-free location.
Why does potted rosemary turn brown indoors?
Common causes include poor drainage, excessive watering, insufficient light, and dry indoor conditions that encourage spider mites. Rosemary needs strong light and a potting mix that allows water to drain rapidly.
Which rosemary cultivars are upright and which are trailing?
Tuscan Blue is a well-known upright cultivar suited to hedges and culinary harvesting. Prostratus has a trailing habit and is often planted over walls or in containers.
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