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Rosemary Companion Plants: What You Need to Know

rosemary companion plants

If you are an avid gardener or simply enjoy spending time outdoors, then you have probably heard of rosemary. This fragrant herb is a staple in many gardens, as it is easy to grow and adds flavor to a variety of dishes. However, did you know that rosemary also has companion plants that can enhance its growth and flavor? In this article, we will explore the best rosemary companion plants and how they can benefit your garden.

Why Consider Companion Planting for Rosemary?

Before diving into the best companion plants for rosemary, let's discuss why you should consider companion planting in the first place. Companion planting involves growing two or more plant species together in a way that benefits both plants. This practice can help promote healthy soil, reduce pests and diseases, and improve overall plant growth.

Benefits of Companion Planting with Rosemary

When it comes to rosemary, companion planting can be especially beneficial. For one, rosemary has a strong scent that can deter pests, such as mosquitoes and aphids. Additionally, certain companion plants can help provide shade and moisture to rosemary, which can be helpful during hot and dry weather conditions. Finally, companion plants can attract pollinators to your garden, which can help increase fruit and vegetable yields.

Best Rosemary Companion Plants

Now that we've covered the benefits of companion planting with rosemary, let's dive into the top companion plants to consider.

1. Lavender

Lavender and rosemary are both members of the mint family, making them excellent companion plants. Lavender's fragrant flowers can help attract pollinators to your garden, while also providing shade and moisture to rosemary. In addition, lavender contains natural oils that can repel pests, such as moths and fleas.

2. Sage

Sage is another member of the mint family that makes a great companion plant for rosemary. Like rosemary, sage prefers well-drained soil and plenty of sunlight. Additionally, sage contains natural oils that can help repel pests, such as cabbage moths and carrot flies.

3. Thyme

Thyme is a low-growing herb that can help provide ground cover and shade to rosemary. Like lavender and sage, thyme also contains natural oils that can deter pests, such as ants and cabbage worms.

4. Borage

Borage is a beautiful flowering plant that can help attract pollinators, such as bees and butterflies, to your garden. Additionally, borage has deep roots that can help break up compacted soil and improve overall soil health.

5. Marigold

Marigold is a bright and colorful flower that can add beauty to your garden while also providing benefits to rosemary. Marigolds contain natural chemicals that can repel pests, such as aphids and whiteflies. Additionally, marigolds have deep roots that can help improve soil structure and drainage.

How to Plant Rosemary Companion Plants

When planting rosemary companion plants, it's important to consider the spacing and growing requirements of each plant. For example, lavender and sage prefer well-drained soil and plenty of sunlight, while borage and marigold can tolerate partial shade and moister soil conditions.

Tips for Successful Companion Planting with Rosemary

- Plant companion plants in close proximity to rosemary for maximum benefits.
- Choose companion plants that have similar growing requirements and complement rosemary's flavor profile.
- Avoid planting plants with competing root systems, such as mint or fennel, near rosemary.
- Consider using raised beds or containers for companion planting if you have limited space.

FAQs

Q1: Can I plant rosemary with vegetables?

Yes, rosemary can be planted with a variety of vegetables, such as tomatoes, peppers, and eggplant. These plants can benefit from rosemary's pest-repelling properties and fragrant oils.

Q2: What are some other herbs that make good companion plants for rosemary?

Other herbs that make good companion plants for rosemary include oregano, basil, and parsley. These herbs have similar growing requirements and can help promote healthy soil and reduce pests.

Q3: Should I prune my rosemary plants?

Yes, it's important to prune your rosemary plants regularly to encourage bushy growth and prevent them from becoming too woody. Prune up to one-third of the plant at a time, being careful not to cut into old wood.

Q4: How often should I water my rosemary plants?

Rosemary prefers well-drained soil and does not like to be over-watered. Water your rosemary plants deeply once a week, allowing the soil to dry out slightly between watering.

Q5: Can I use rosemary companion plants in cooking?

Yes, many of the companion plants listed in this article can also be used in cooking. Lavender, sage, thyme, and marigold all have culinary uses and can be added to a variety of dishes for flavor and aroma.


In companion planting with rosemary can be a great way to promote healthy soil, reduce pests, and improve overall plant growth. By choosing the right companion plants and planting them in close proximity to your rosemary, you can create a thriving garden that is both beautiful and functional.

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