Sow
Rosemary is best started in the spring from ready-grown plants. Plant in a sunny, sheltered position in well-drained soil – plants hate wet roots in winter. Alternatively grow in 30-60cm containers filled with soil-based or multi-purpose compost.
Grow
Plants are fairly drought-tolerant, but water regularly during dry summers, especially if plants are grown in containers. Feed plants in containers with a balanced fertiliser after they have finished flowering.
It can be a good idea to give your plants some protection in hard winters and in particularly cold areas. Protect container-grown plants by raising onto pot feet. Apply a thick mulch around plants in the ground and cover the branches with sheets of horticultural fleece.
To keep plants compact, cut back stems after the blooms start to fade or plants will become leggy.
Common problems
Frost damage
Remedy
Remove any damaged growth and protect the bed with a double layer of horticultural fleece if frost is forecast.
More info on Frost damage
Scale insects
Remedy
Use biological controls in the greenhouse.
More info on Scale insects
Rosemary beetle
Remedy
Check plants regularly and pick beetles off by hand.
More info on Rosemary beetle
Harvesting
Remove shoots carefully as required, aiming to keep an attractive shape. Leaves can be used fresh or dried.
Varieties
'Lady in White':Pretty white flowers.
Majorca Pink:Tall shrub with columnar habit and pink blooms.
McConnells Blue AGM:Compact habit and blue flowers.
Miss Jessopps Upright AGM:A tall plant with an upright habit and blue flowers.
Prostratus Group:A prostrate form that is ideal in a pot or cascading over a wall.
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