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The Top 10 Herbs for Companion Planting

We have a good-sized garden in our backyard and we were wondering which herbs would most benefit other plants in our gardens. So, I did some research. Here’s what I found.

The best companion herbs for gardens are rosemary, parsley, mint, basil, and thyme. These herbs have benefits such as attracting pollinators, repelling pests, and providing ground covers. Rosemary’s companion plants include lavender, thyme, and legumes. Basil’s include asparagus, nightshade, and rosemary.

To help show the most common herbs with their friends and foes, here’s a quick table I made (there are also more companions and foes listed in the following sections).

HerbFriendsFoes
RosemaryLavender, Thyme, LegumesTomatoes
ParsleyAsparagus, Corn, TomatoesAlliums, Lettuce
MintBeets, Cabbage, NightshadeStrawberries
BasilAsparagus, Nightshade, RosemaryRue, Thyme
ThymeBrassicas, Strawberries, RosemaryBasil
DillBrassicas, Lettuce, OnionsCarrots, Caraway, Nightshade
OreganoLavender, Basil, Nightshades
GarlicFruit Trees, Carrots, TomatoesLegumes
ChivesFruit Trees, Grapes, CarrotsLegumes
Cilantro/CorianderCabbage, Lettuce, SpinachFennel

Let’s take a closer look at specific benefits they give and which other plants you should plant them with.

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1. Rosemary

rosemary plant with flowers on it

Rosemary grows best when planted alongside lavender, thyme, legumes, carrots, and cabbage, but should be planted away from tomatoes.

Rosemary is native to the Mediterranean, which makes it a great plant to use in drought-tolerant gardens. It grows best in well-draining soil and in full sun, but can still grow with some partial shade.

Aside from its culinary uses, rosemary attracts pollinators and naturally repels pests such as snails and slugs (source).

Additionally, rosemary essential oil can be diluted and used as an organic pesticide (source).

Pro-Tip: When cooking with rosemary, don’t use the woody stems, only the leaves. The best way to remove the leaves is to pinch and slide your fingers along the stem, opposite the direction of the leaves.

Like most herbs and plants, rosemary can be tied in a bundle with some twine, and hung upside down to dry out. Once dry, it can be picked or blended into a powder and stored. If you’re in a dry climate, rosemary and its companions (especially lavender) are great plants to grow.

2. Parsley

parsley plant

Growing up to 1 1/2 feet tall, parsley grows best with asparagus, corn, and tomatoes.

Also native to the Mediterranean, parsley is part of the carrot family (also including fennel and parsnip). Parsley is most often used as a garnish or condiment in cooking, but its leaves, seeds, and roots also have some uses.

Parsley’s flowers are great at attracting pollinators and beneficial wasps, as well as attracting flies away from plants such as tomatoes.

Avoid planting parsley with alliums and lettuce as it can overcrowd them.

For more pest-repelling companion plants, visit my other post: 7 Companion Plants That Repel Pests

3. Mint

a large mint plant in a garden

Mint grows well alongside plants such as alliums, beets, cabbage, lettuce, and nightshade fruits (such as tomatoes, potatoes, eggplant, and peppers).

It grows by sending runners along the top of the soil and if left on its own, mint grows vigorously and can take over parts of the garden. For this reason, many gardeners prefer to keep mint’s runners at bay by keeping the plant in a pot.

Mint is a perennial native to North America and has many popular uses from mojitos to essential oils. This plant does best in full sun but tolerates partial shade.

When mint flowers, it’s great at attracting pollinators. Varieties such as peppermint normally get their flowers from mid-summer until fall.

According to the Franklin Park Conservatory and Botanical Gardens in Columbus, Ohio, mint is also used in gardens where its strong scent repels pests such as aphids, ants, cabbage moths, and mice (source).

“We have found that placing peppermint cuttings (fresh or dried) where mice are a problem is very effective in driving them off!”

Franklin Park Conservatory and Botanical Gardens

Since mint grows with runners, the same as strawberries, it shouldn’t be a surprise that it should not be planted near strawberries as they can compete. Additionally, they’re known to expose strawberries to the common fungal disease Verticillium wilt (source).

4. Basil

basil plant in a pot

Plant basil near asparagus and nightshade. When planted alongside tomatoes specifically, basil can help reduce their pest damage (source).

Basil is believed to be native to India, but since it’s been cultivated for over 5,000 years, it’s difficult to pinpoint (source).

Generally, basil prefers a mild climate and well-draining soil. In my experience growing basil, I’ve found it to be a fairly sensitive plant, needing warm (but not hot) weather and regular (but not soaking wet) soil moisture.

Most of the time, the cooler morning sun is better suited to grow basil than the hot afternoon sun. For this reason, plant basil facing east, and not west or south. You can also plant taller companion plants such as corn or sunflowers on its west side to provide afternoon shade.

Pro-tip: If you find your basil plant is thin and twiggy, consider pruning it into a bush. To do this, prune the stem just above its new leaf sets where you want it to split into two stems. Each of the two leaves will then grow its own stem, quickly increasing the width of the plant (and giving you more basil leaves)!

However, basil is known to attract slugs and snails, so interplant with strongly scented herbs such as rosemary, sage, and lavender to help repel them. Avoid planting basil with rue and thyme.

5. Thyme

thyme in a pot

Thyme is best planted with brassicas (broccoli, cabbage, cauliflower, etc), strawberries, rosemary, and lavender. Avoid planting thyme near basil.

Thyme is native to Eurasia, with a history dating back to 2750 BC—noting that thyme can be dried and mixed with pears, figs, and water for a topical paste (source). It’s also a great drought-tolerant plant.

Like just about all of the herbs on this list, thyme’s flowers and scent are incredibly useful at attracting pollinators, specifically honey bees. You can expect thyme to flower from May to September.

Similar to nasturtiums, thyme is resistant to pests including cabbage worms, weevils, and cabbage loopers (source). It’s also said that thyme also attracts aphid predators such as ladybugs.

At our home, we often use thyme in our bone broths and roasts. We’ve come to really appreciate thyme’s strong floral scent and taste, giving our dishes much more flavor.

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6. Dill

dill flowers

Dill is another Mediterranean native herb and is part of the parsley and celery family.

One of the most well-known companion qualities of dill is its ability to attract pollinators and beneficial insects such as ladybugs (which feed on spider mites and aphids). So if your garden commonly gets aphids, plant lots of dill!

You can also use dill in your garden to repel pests such as spider mites and cabbage loopers (source).

Plant dill with brassicas, lettuce, onions, corn, cucumbers, and fennel. However, avoid planting dill with carrots, caraway, and nightshade.

7. Oregano

oregano plant in a pot

Surprise! Oregano is yet another herb native to the Mediterranean. As a result, it prefers full sun and light to moderate water—making it perfect for drought-tolerant gardens.

Aside from attracting pollinators, oregano provides a ground cover for other plants, and even reduces pests such as aphids by attracting their common predators.

Fun Fact: The name oregano comes from ancient Greek words “oros” and “ganos”, meaning “mountain” and “joy”.

Oregano is best planted alongside lavender, basil, nightshades, pumpkins, and grapes.

To see more companion flowers, check out my other post: The Top 10 Companion Flowers for Gardens, Vegetables, & More.

8. Garlic

garlic plants

Plant garlic near apple trees, carrots, tomatoes, and brassicas. Avoid planting garlic close to legumes.

Garlic is native to Middle Asia and has long been an incredibly useful herb, with most historical uses being medicinal (source).

While the other companion herbs on this list are great at attracting pollinators, garlic is great at repelling pests. This is widely believed to be due to garlic’s sulfur smell, which is also useful as a natural fungicide.

More specifically, garlic repels aphids, beetles, cabbage moths/maggots, snails, slugs, rabbits, and many other pests. Planting garlic between tomato plants protects them from red spider mites (source).

Pro-Tip: When planting garlic, you can use store-bought bulbs and break off the cloves. Each clove can then be planted, root-side down, and grow into its own garlic plant. This is an incredibly quick way to multiply the number of your garlic plants.

9. Chives

chive flowers
Chive flowers are beautiful and also edible

Interplant chives with grapes, carrots, rose, and tomatoes. It’s even said that chives can help carrots grow larger. Avoid planting chives near legumes such as beans and peas.

Chives are a multi-use perennial herb that prefers full sun and well-draining soil. Unlike many herbs, chives are cold hardy down to zone 3.

A relative of garlic (although, with milder benefits), chives also repel pests such as aphids and harmful beetles.

They’re also good at preventing certain diseases, especially ones of a fungal nature.

According to Pennsylvania State University Extension, chives help prevent apple and pear scab when planted at the base of apple trees and also prevents black spot on roses (source).

10. Cilantro/Coriander

cilantro and coriander plants

Plant cilantro and coriander with cabbage, lettuce, spinach, tomatoes, anise, and legumes. Keep cilantro and coriander away from fennel.

Cilantro is another herb native to the Mediterranean and its leaves and seeds are popular in many cuisines.

When cilantro is allowed to grow past its tender green, herb state, it gets woody and tall, offering many flowers and seeds. It’s at this point it’s no longer called cilantro, and instead is named coriander.

Coriander has many companion benefits including attracting pollinators and repelling pests such as aphids, potato beetles, and spider mites (source).

In my experience growing cilantro, it’s a vigorous grower and when left to go to seed as coriander, it will often regrow from its many seeds on its own as an annual, year after year. After collecting coriander seeds from the plant, I’ve found them to have a great germination rate.

While coriander can be difficult to get rid of, it’s not considered to have invasive qualities and likely won’t harm your garden if it grows wild.

Final Thoughts

Whether you’re planting herbs with veggies, fruits, flowers, or other herbs, the above list of companion herbs will do a great job bringing many benefits to your garden. You can choose to either plant your companion herbs in pots or in the ground. Although, they might offer more benefits in the ground (except for mint).

Keep in mind that there are more companion “friends” than there are “foes”, so it’s hard to go wrong. The best way to identify successful companion plants is to observe your garden.

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