18 Sunflower Companion Plants – What to Grow With Sunflower?

This post contains affiliate links. If you click and buy we may make a commission, at no additional charge to you. Please see our disclosure policy for more details.

The sunflower is a famous plant among gardeners because of its unique specialty. I am certain all of you have an idea about it.

The unique feature of sunflower is known as heliotropism. It occurs when the flower of a particular plant turns towards the sun throughout the day. In the case of the sunflower, it exhibits this feature only in the early stages. Later, the flower becomes comparatively heavy because of the seeds.

Sunflower is a very fast-growing plant that needs three months to grow. Although, the time also depends on the species of the plant. It has different colors, including orange, red, and brown, but you will most commonly find it in yellow. It has a considerable height of around 16 feet. Even the flower head can be 12 inches wide.

Although gardeners have been planting sunflowers for a long time, they should have the know-how. One of the ways of producing a healthy sunflower plant is by companion planting. In simple words, you need to plant sunflowers with some plants that can help each other grow together.

Companion Plants to Grow with Sunflower

Here is a list of plants you can plant with sunflowers to give your garden a better look and continue the healthy growth of both plants.

1. Tomatoes

Tomatoes
Image Credit: https://www.newscientist.com/

Sunflowers usually have a great height and can provide shade to the plants that require shade for flourishing. Tomatoes and lettuce are such plants that love the shade.

You can analyze and plant tomatoes near sunflowers to save the cost of planning shade for tomatoes. Even if you cannot grow a sunflower in all directions, you can target the west side so that the scorching afternoon sun does not reach the tomato plant.

2. Cucumber

Cucumber
Image Credit: https://www.allaboutgardening.com/

For creepers like cucumber or squash plants, you have to build a different setup in your garden. Imagine the cost and effort required to set that up. Well, sunflower has your back. You can use sunflowers as trellises in your backyard.

You need to ensure that the creeper is comfortable growing under the shade of cucumber and plant the stronger variety of sunflower to carry the weight of the creeper and not break down. The more robust types of sunflower can act as an excellent support plant.

3. Zucchini

Zucchini
Image Credit: https://www.gardeningknowhow.com/

You already know the importance of pollination. Most plants, including zucchini and pumpkin, cannot reproduce without the help of pollinators. Sunflowers are a great and natural way of attracting pollinators to your garden. They will attract bees and butterflies in your garden, which will help in the pollination of other plants as well.

Thus, it is best to plant sunflowers near plants like zucchini that can benefit from the pollinator. It will help them reproduce better.

4. Green Beans

Green beans
Image Credit: https://www.thespruce.com/

You should also consider the requirements of soil conditions while deciding on a companion plant. It is better if similar soil conditions are necessary for the healthy growth of both plants.

Sunflowers require moist soil and have a PH range of 6.5 to 7.5. plants like bush beans and green beans also need similar conditions, and thus they are ideal for companion planting with sunflowers.

5. Squash

Squash
Image Credit: https://www.thespruceeats.com/

Squash is one of the plants that suffer from aphid attacks. So, it will be beneficial to plant them near sunflowers as they can attract aphids. Even if the aphids attack the sunflower, they won’t be able to cause much damage because they have thick walls and can protect themselves.

It will be a simple task to distract the aphids and thus save your farm from much harm.

Bonus Read: 26 Sunflower Garden Ideas with Pictures

6. Onions

Onion
Image Credit: https://www.masterclass.com/

Planting onions and sunflowers in your garden might be beneficial for you. Onion has its characteristic smell that can keep rabbits and squirrels away from your plants. They will not come and munch on your plants due to their smell.

Onion also can keep some types of pests away. Thus, it will help sunflowers grow better.

7. Peppers

Peppers
Image Credit: https://www.gardeningknowhow.com/

Peppers can be a great option to be planted with sunflower. Like tomatoes, it is also a shade-loving plant but can tolerate minimum sunlight.

Extreme scorching sunlight can be harmful to pepper plants. Thus, it is best to plant pepper with sunflower so that it can receive shade from the tall plants and can save itself from harmful sunrays.

8. Courgettes

Courgettes
Image Credit: https://www.rhs.org.uk/

Courgettes is a very fast-growing plant, but sometimes the flowers of this plant are hidden behind the giant leaves. It does not attract pollinators, and reproduction becomes difficult.

Planting them with sunflower can be excellent because sunflower attracts many pollinators that find those hidden flowers at the earliest. It helps in the better growth of courgettes.

9. Peas

Peas
Image Credit: https://www.healthline.com/

Peas require a higher amount of attention. It grows up slowly and needs some support to take it upwards. If you plant it with sunflower, the tall plants will act as a pole and allow the pea plants to rise upwards, resulting in better and faster plant growth.

10. Chives

Chives
Image Credit: https://www.gardenersworld.com/

It is a part of the onion family that benefits the sunflower-like its other family members. It can deter pests that will keep the sunflower safe from pest attack. It looks even better when planted near sunflowers as it has thin grass with tiny purple flowers that attract even more pollinators. Hence, it is beneficial for both plants.

11. Perennial Lobelia

Perennial lobelia
Image Credit: https://www.gardeningknowhow.com/

It is an excellent border plant. It has small bushy veins that spread and creates dense borders for your sunflower plants. Additionally, it helps to keep the soil moist, which is necessary for the ideal growth of sunflowers.

12. Stock and Delphiniums

Stock and delphiniums
Image Credit: https://depositphotos.com/

These plants are tall and have a lovely fragrance. You can choose a vibrant blue color in contrast with your yellow sunflower as it will create a very eye-catching scenario in your garden.

Apart from that, they can repel earwigs and Japanese beetles harmful to your sunflower plants.

13. Impatience

Impatience
Image Credit: https://treehouse.co/

It is another shade-loving plant that produces beautiful and colourful flowers. It can be conveniently grown at the base of your sunflower because it helps to keep the soil moist.

The colourful flowers attract various pollinators too. Both the plants mutually support each other in growing better.

14. Busy Lizzie

Busy Lizzie
Image Credit: https://www.lazada.com.ph/

This plant grows very fast and covers the ground. It is best to plant them near sunflowers as it helps to maintain the soil conditions and make it moist enough for sunflowers to grow extensively. Even this plant cannot take full sun, so it can also benefit by using the sunflower plants as protection from the sun.

15. Marigolds

Marigolds
Image Credit: https://www.gardeningknowhow.com/

Marigolds are widely grown in all the gardens because they demand low maintenance. Apart from that, marigolds attract ladybugs that keep the black flies and aphids away from the sunflower plants. It prevents the aphids from attacking the sunflower plant.

16. Crimson Clover

Crimson clover
Image Credit: https://pixabay.com/

You can consider crimson clover to be an excellent companion plant for sunflowers. It brings more valuable insects to your garden. It also tackles the weeds that try to compete with the sunflower plants at an early stage.

It also takes care of the nutritional requirement of the sunflower plant by drawing nitrogen into deep layers of soil. Hence, this plant helps the sunflower plant to grow even better.

17. Pumpkins

Pumpkins
Image Credit: https://m.farms.com/

Pumpkin is also widely used as a sunflower companion plant. You can easily plant it at the base of a sunflower, naturally suppressing the weed. It also has huge leaves that act as barriers and do not let sunlight reach the ground directly. Pumpkins can also maintain the moisture level of the soil.

Pumpkin helps sunflower plants because it requires moist soil to grow. On the other hand, sunflower attracts pollinators that benefit pumpkin plants too.

18. Corn

Corn
Image Credit: https://www.gardenbetty.com/

Many gardeners also use corn to plant near sunflowers. They require similar soil conditions to grow. Both the plants have characteristic tall stems and deep roots that increase their efficiency to collect many nutrients from the soil needed for healthy growth.

Verdict

These are the few plants you should plant with sunflower to avail of mutual benefits. When planted with sunflowers, these can grow better.

However, you must be aware of plants that you strictly must not plant with sunflower. It includes potatoes, citronella, ferns, mosses, and carnivorous plants. These are harmful to your sunflower plants. These do not have any attractive flowers, and thus butterflies, bees, or any other pollinators would visit less.

You can undergo the bliss of growing different plants together. Companion planting is beneficial, and there is nothing to hate about it. It leads to fewer weeds, attracts good bugs, and improves soil conditions without the help of any chemicals. Both the plants look after themselves and help each other grow better.

Leave a Comment