Rosemary: You Can Grow That!

rosemary stem with purple blooms

By far, rosemary is one of my favorite low-water plants. And it doesn’t hurt that I love both the scent and the taste of this Mediterranean herb.  You, too, can grow rosemary.

Rosemary is a perennial plant down to zone 7, and I have plants here in cooler zone 6B that survive the winter in a south-facing rock garden. In fact, the plant does best in zones 6 through 8, where it begins to grow as soon as spring warms.

rosemary before plants with yellow flowers
Rosemary in a xeric rock garden.

Planting Rosemary

There are two types, or growth forms, of rosemary. The plant can grow as a shrub, which can be trimmed into shapes, or as a low-growing groundcover that can cascade over rock walls. Just check your local nursery for one that can handle your cold or heat. Rosemary loves sun, but can do well in partial shade.

Plant rosemary in loose, well-draining soil. In cooler climates, tuck the plant against a south-facing wall or protected rocky area to help warm it in winter. Rosemary might do better in containers in hotter Southwest climates, where you can move the plant around for a little more shade in peak summer heat. In colder areas, container-grown rosemary might get too cold to survive.

close up of rosemary leaves
The aromatic needle-like leaves of a rosemary plant.

Caring for Rosemary

After the first  year or so, rosemary requires little to no water.  You don’t have to prune rosemary, but might want to shape it in early spring every few years.  Try not to prune away more than one-third of stems and avoid cutting into the woody branches when possible.

Although few problems affect rosemary plants, the spittle bug can take up residence on the stems. The covering over the bug looks like pieces of cotton or meringue on stems. Just spray them off with a hose. Winter snow can damage rosemary with the slow, cold melting that dampens the plants over cool ground.

closeup of rosemary flower lilac color
Bees love the tiny purple flowers on rosemary plants.

Benefits of Rosemary

Aside from its easy care, rosemary tolerates drought, needing extra water only in its first year and during higher summer heat. Its tiny purple flowers can show up in early spring and again in fall. The flowers attract plenty of bees and look pretty above the needle-like scented leaves. And rosemary is deer resistant.

Rosemary is used in sachets, potpourris and herb mixes. It is a flavorful herb, especially for poultry and breads.

rosemary sprigs tucked under red napkin rose
Rosemary can be used in delicious dishes and aromatic place settings.

I recommend growing rosemary in your garden, even if you have to grow it only as an annual or in cooler times of year.

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