Rosemary does well in the company of herbs, vegetables, and ornamental plants.
Rosemary is a woody,perennial herbwith evergreen, aromatic, needle-like foliage.
It is native to the Mediterranean region and grows naturally on rocky hillsides.
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Rosemary grows best in full sun, moderate humidity, and loamy, slightly acidic, well-draining soil.
Established plants toleratetough conditions, including blistering sun, wind, heat, and drought.
Here are a few fabulous rosemary companion plants to try and a few things not to plant with rosemary.
Tricolor sage is used primarily for ornamental purposes.Credit: David Beaulieu
What Are Companion Plants?
Companion plants are plants that benefit from one another when grown together.
Companion plants help deter harmful pests that cause destruction and maintain a healthy growing environment.
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These plant pairings have similar growing conditions as well.
Companion plants can be flowers, vegetables, or herbs that work together in the garden.
How To Grow Rosemary
Rosemary needs at least six to eight hours of sunlight per day.
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Plant in well-draining soil that’s slightly acidic to neutral with a pH of 6.0 to 7.0.
Soil should be light and loamy, such as a mix of sand, compost, and peat-freepotting mix.
Allow soil to dry out between waterings.
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Prune to encourage bushy growth.
Plant tricolor sage as a ground cover in front of a larger, upright rosemary variety.
The plants have similar growing needs and are both wonderfully fragrant.
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Rosemary helps to manage these pests in thevegetable garden.
Both plants need soil that drains well to prevent root diseases.
They also look beautiful together.
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Give this pairing a raised bed filled with loose, sandy, or gravelly soil.
For a Southern garden, select ahumidity-tolerant lavender variety.
Planting rosemary among your green beans helps protect plants from attack.
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In return, beans fix nitrogen in the soil, making it available to rosemary and other nearby plants.
Nitrogen-fixing plants improve the soil for other plants.
Oregano makes a lovelyground coverin front of rosemary and other herbs.
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Both plants produce purple-blue flowers that attract beneficial insects.
Rosemary helps keep the veggies pest-free for a healthy harvest.
Both plants thrive in sunny locations with well-draining soil, but cabbage likes soil that is slightly more acidic.
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Among garden favorites is the variety ‘Powis Castle’ which produces large mounds of finely textured, aromatic foliage.
Like rosemary, artemisia is prone to root rot and benefits from well-draining soil.
Wormwood helps deter harmful pests like carrot flies and cabbage moths, as well as slugs and snails.
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Common thyme grows under the same conditions as its fellow Mediterranean herbs and makes an excellent container plant.
The spring bloomsattract beesand butterflies, so it’s a must for pollinator gardens.
In areas with mild winters,thyme is evergreen.
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Anecdotal evidence suggests that rosemary and other herbs improve the flavor of onions.
Both onions and rosemary produce aromatic compounds that deter pests from the garden.
Ornamental varieties add a playful pop of color and contrasting structure to the herb garden.
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Onions also have shallow roots that don’t compete with the deep roots of a rosemary plant.
The larvae of carrot flies, called maggots, feed on the roots of carrots and closely related plants.
Carrots like full sun and slightly acidic soil, but they need a little more water than rosemary plants.
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This low-maintenance plant comes in variegated forms and cool blue shades likeClarity BlueTM.
Dianella is hardy inUSDA Zones8-10 and thrives under the same growing conditions as rosemary and other herbs.
It tolerates heat and drought and even produces sprays of periwinkle blooms in spring.
Planting garlic with rosemary enhances garlic’s flavor.
Rosemary repels damaging pests with its strong scent.
Both plants have the same soil requirements to grow.
These plants also need full sun.
Rosemary repelsharmful pests like aphidsfrom blueberry bushes.
Rosemary is a Mediterranean herb that likes warm temperatures.
It can withstand a couple of light frosts but not extended freezing temperatures.
Overwinter it indoors in colder climates.
