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Basil and cilantro are companion plants, and they actually make a fantastic pair in the garden.
These two herbs are among the most popular in the kitchen, so it’s natural to wonder if basil and cilantro companion plant arrangements work well together.
The short answer is yes, basil and cilantro companion planting is not only possible, but it’s also a smart way to maximize your garden space and boost the health of your herbs.
While they have slightly different watering needs, they share enough common ground to thrive side-by-side with a little extra care.
In this post, we’ll dig into why basil and cilantro are companion plants, how to pair them successfully, and what you should avoid when growing them together.
Let’s get growing.
Why Basil and Cilantro Are Companion Plants That Work
Basil and cilantro are companion plants because they offer complementary benefits that help each other grow stronger.
They also repel different pests, which keeps the whole area healthier without any chemical help.
When you grow basil and cilantro together, you’re creating a mini-ecosystem that supports both herbs naturally.
Here’s a closer look at why this pairing deserves a spot in your garden.
1. They Repel Each Other’s Pests
Basil is famous for its strong aroma, and that scent is a natural deterrent for aphids, spider mites, and tomato hornworms.
Cilantro, on the other hand, keeps away harmful insects like carrot flies, potato beetles, and even certain types of moths.
By planting basil and cilantro as companion plants, you double your pest protection without lifting a finger.
These herbs work like a security team, and they shield each other from the bugs that would otherwise munch on their leaves.
2. They Attract Beneficial Pollinators
Both basil and cilantro produce lovely little flowers when they bolt, and those flowers are irresistible to bees, butterflies, and lacewings.
Lacewings are especially helpful because their larvae feast on aphids, one of the worst garden pests.
So, when you let your basil and cilantro companion planting go to flower, you’re inviting the good guys to hang around.
That means better pollination for your whole garden and a natural balance that keeps bad bugs in check.
3. They Use Space Efficiently
Basil tends to grow upright and bushy, while cilantro grows in a more open, sprawling fashion.
This difference in growth habits means basil and cilantro companion plants don’t compete for the same vertical space.
You can plant basil in the middle and surround it with cilantro, and they’ll happily share the soil without crowding each other out.
It’s a perfect use of limited garden beds or even a large container on your patio.
Tips for Successful Basil and Cilantro Companion Planting
Now that you know basil and cilantro are companion plants, let’s talk about the practical side of growing them together.
While they’re compatible, they do have a few quirks that you’ll need to manage for the best results.
Follow these tips, and you’ll have a lush, productive patch of herbs in no time.
1. Find the Right Spot for Both
Basil loves full sun and thrives with at least six to eight hours of direct sunlight each day.
Cilantro, however, prefers cooler conditions and will bolt quickly in intense afternoon heat.
The trick is to plant cilantro where it gets morning sun but some afternoon shade, and place basil nearby to soak up the rays.
You can achieve this by planting basil on the west side of cilantro so that the taller basil provides a little dappled shade during the hottest part of the day.
2. Manage the Watering Schedule
Basil likes consistently moist soil, but it doesn’t want to sit in soggy conditions.
Cilantro also enjoys moist soil, so this is one area where basil and cilantro companion plants see eye to eye.
The key is to water deeply and less frequently, which encourages both herbs to develop strong root systems.
If you notice the top inch of soil feels dry, it’s time to water.
Just make sure you have well-draining soil so the roots don’t rot.
3. Harvest to Delay Bolting
Cilantro bolts, which means it sends up flowers and goes to seed, pretty quickly in warm weather.
Once that happens, the leaves turn bitter and the plant stops producing new foliage.
To keep cilantro going alongside basil, you should harvest it regularly by snipping the outer leaves.
This delays bolting and keeps your cilantro fresh and tasty for much longer.
Basil also benefits from frequent harvesting, because pinching off the tops encourages bushier growth.
What NOT to Do With Basil and Cilantro Companion Plants
Even though basil and cilantro are companion plants, there are a few mistakes that can ruin your harvest.
Avoid these common errors to ensure your herbs flourish together.
1. Don’t Plant Them Next to Fennel
Fennel is a notorious garden bully, and it releases chemicals that inhibit the growth of nearby plants.
While basil and cilantro companion planting works great, planting either one near fennel is a recipe for disaster.
Fennel will stunt the growth of both herbs and make them bitter-tasting.
So keep fennel in its own separate bed, far away from your precious herbs.
2. Don’t Overcrowd the Soil
It’s tempting to pack in as many herbs as possible, but overcrowding leads to poor airflow and fungal diseases.
Basil and cilantro are companion plants, but they still need their personal space.
Give each plant about six to eight inches of room to spread out.
Good airflow also helps prevent powdery mildew, which cilantro is prone to in humid conditions.
3. Don’t Forget About Succession Planting
Cilantro has a short lifespan, and it won’t last as long as basil in the garden.
Instead of planting one big batch, sow cilantro seeds every two to three weeks.
This way, you’ll have a constant supply of fresh cilantro to match basil’s long season.
Basil and cilantro companion plants work best when they’re both actively growing, so succession planting keeps that balance.
So, Are Basil and Cilantro Companion Plants?
Yes, basil and cilantro are companion plants, and they can be wonderful partners in your garden.
They repel each other’s pests, attract helpful pollinators, and use space efficiently to give you a bigger harvest.
Just remember to manage their sunlight and watering needs, and to harvest regularly to keep both herbs productive.
If you’re looking for basil and cilantro companion planting ideas, this dynamic duo is a great starting point.
So go ahead and plant them together, and enjoy a fresh, flavorful supply of herbs all season long.