You can grow a surprising number of plants with celery, and companion planting is one of the easiest ways to get more out of your garden space.
Celery is a heavy feeder that loves moisture, so the best plants to grow with celery are ones that enjoy the same damp, rich conditions.
If you’ve been wondering what can you grow with celery, the answer includes vegetables, herbs, and flowers that help each other thrive.
In this post, we’ll explore what you can grow with celery, why these pairings work, and which plants you should keep far away from your celery patch.
Let’s dig in.
What Can You Grow With Celery?
You can grow a wide range of companions with celery, and each one brings something different to the garden bed.
Celery is a low-growing, thirsty crop, so it pairs well with plants that either tolerate moisture or help repel the pests that love celery.
Here are the best options when you’re thinking about what to grow with celery.
1. Brassicas Like Cabbage and Broccoli
Cabbage, broccoli, cauliflower, and kale are excellent choices when you ask what can you grow with celery.
Celery’s strong scent confuses cabbageworms and other pests that target brassicas.
In return, the leafy brassicas shade the soil, which helps keep celery’s shallow roots cool and moist.
Both crops enjoy nitrogen-rich soil, so they feed happily side by side.
2. Alliums Like Onions and Leeks
Onions, garlic, leeks, and chives grow beautifully with celery.
These alliums release compounds that repel aphids, slugs, and carrot flies.
Since celery is notorious for attracting aphids, having alliums nearby is a natural form of pest control.
You can grow onions with celery in the same bed without either plant suffering.
3. Tomatoes and Beans
Tomatoes and bush beans are also great plants to grow with celery.
Beans fix nitrogen in the soil, which feeds celery’s heavy appetite.
Tomatoes provide taller cover that shades celery during hot afternoons.
Just give each plant enough spacing so airflow stays good and disease doesn’t set in.
4. Spinach, Lettuce, and Other Greens
Leafy greens like spinach, lettuce, and Swiss chard love the same damp soil celery does.
You can grow spinach with celery as a quick understory crop that matures before the celery fills out.
This pairing makes efficient use of garden space and keeps the soil surface covered.
5. Marigolds, Nasturtiums, and Other Flowers
Flowers aren’t just pretty; they’re useful when you consider what can you grow with celery.
Marigolds repel nematodes in the soil.
Nasturtiums act as a trap crop for aphids, drawing them away from your celery.
Cosmos and daisies attract predatory insects that eat celery pests.
Why These Celery Companion Plants Work
Celery companion planting works because celery has specific needs that certain plants complement.
Celery needs consistently moist soil, so it thrives next to plants that don’t mind wet feet.
Celery also needs lots of nutrients, especially nitrogen, which beans and peas provide naturally.
And because celery is a magnet for aphids and cabbageworms, aromatic herbs and flowers help mask its scent and confuse pests.
When you grow celery with the right companions, you spend less time fighting pests and more time harvesting.
What Not to Grow With Celery
Just as some plants help celery, others can harm it.
Avoid growing celery near carrots, parsnips, and dill.
These plants compete for the same nutrients and can attract the same pests, like carrot flies.
Celery also struggles near corn, because corn is a heavy feeder that steals nitrogen.
Keep celery away from potatoes and sweet potatoes too.
These root crops can spread blight and other soil diseases that celery is sensitive to.
So when planning what can you grow with celery, always leave these troublesome plants out of the mix.
Tips for Growing Celery With Companions
If you want to know what can you grow with celery and actually see it thrive, a few simple tips go a long way.
First, keep the soil consistently moist, since celery and most of its companions hate drying out.
Second, feed the bed with compost or aged manure before planting, because celery is a hungry crop.
Third, space plants properly so air moves freely and disease stays away.
Fourth, mulch around the base of your celery to lock in moisture and suppress weeds.
Finally, rotate your crops each season so pests and diseases don’t build up in the soil.
1. Water Deeply and Often
Celery has shallow roots, so it needs frequent watering.
Companions like spinach and lettuce also appreciate steady moisture.
Water deeply in the morning so the soil stays damp without becoming soggy.
2. Feed the Soil, Not Just the Plant
Add compost, worm castings, or a balanced organic fertilizer before planting.
Beans and peas will add nitrogen as they grow, giving celery a steady supply of food.
3. Use Flowers as Pest Control
Marigolds, nasturtiums, and alyssum attract beneficial insects that prey on celery pests.
They also make your celery bed look beautiful while doing the work.
4. Harvest at the Right Time
Celery is ready when the stalks are firm and at least eight inches tall.
Harvest outer stalks first so the plant keeps producing.
Your companion plants can stay in place and keep growing after the celery is done.
So, What Can You Grow With Celery?
You can grow brassicas, alliums, tomatoes, beans, leafy greens, and flowers with celery.
These companions help celery stay healthy, repel pests, and make the most of your garden space.
Just avoid carrots, dill, corn, and potatoes, which compete with or harm celery.
When you plan what can you grow with celery carefully, you end up with a garden that feeds itself and looks after itself.
Happy planting.