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Sunflower Companion Planting Chart: Boost Your Garden's Health and Yield


sunflower companion planting chart
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If you're an avid gardener, you know how important it is to plant the right crops together to promote healthy growth and yield. One such crop that has been gaining popularity over the years is the sunflower. Not only do they add a beautiful pop of color to your garden, but they also have numerous benefits when planted alongside other crops. In this article, we'll be discussing the sunflower companion planting chart and how you can use it to maximize your garden's health and yield.

What is Sunflower Companion Planting?

Companion planting is the practice of planting different crops together to reap the benefits of their symbiotic relationship. Sunflowers are great companion plants as they provide shade, support, and nutrients to other crops in the garden. They also attract pollinators and beneficial insects, which helps with pest control.

Benefits of Sunflower Companion Planting

There are many benefits of planting sunflowers alongside other crops. Here are some of the most significant ones:

Better Soil Health

Sunflowers are known for their ability to break up compacted soil and improve drainage. This makes them an excellent companion plant for crops that prefer well-drained soil like tomatoes, peppers, and cucumbers. Additionally, sunflowers are heavy feeders, meaning they absorb a lot of nutrients from the soil. When they die back, these nutrients are released into the soil, making it more fertile for future crops.

Pest Control

Sunflowers attract a variety of beneficial insects like ladybugs, lacewings, and parasitic wasps. These insects help control pests like aphids, mites, and whiteflies, which can damage crops. Additionally, sunflowers emit a chemical called allelopathy, which inhibits the growth of certain weeds.

Support for Climbing Plants

Sunflowers are tall plants that provide support for climbing crops like beans, peas, and cucumbers. As these crops climb up the sunflower stem, they get the necessary support to grow vertically. This helps them access more sunlight and air circulation, leading to better growth and yield.

Sunflower Companion Planting Chart

Now that you know the benefits of sunflower companion planting let's take a look at the sunflower companion planting chart.

CropCompanion PlantAvoid Planting With
TomatoesMarigolds, basil, parsleyPotatoes, fennel, corn
PeppersMarigolds, basil, oreganoFennel, beans, brassicas
CucumbersNasturtiums, radishes, marigoldsAromatic herbs, potatoes
BeansRadishes, nasturtiums, carrotsAlliums, fennel, gladiolus

How to Use the Chart

The sunflower companion planting chart is a guide that helps you choose the right crops to plant alongside sunflowers. When choosing companion plants, look for ones that have similar soil and water requirements as sunflowers. Additionally, avoid planting crops that are susceptible to the same pests and diseases as sunflowers.

Example Scenario

Let's say you want to plant sunflowers with tomatoes. According to the chart, marigolds, basil, and parsley are great companion plants for tomatoes. They repel pests like whiteflies and hornworms and attract beneficial insects like ladybugs and hoverflies. Additionally, they have similar soil and water requirements as sunflowers, making them an ideal companion plant.

Other Companion Plants for Sunflowers

Sunflowers can be planted alongside other crops like corn, squash, melons, and zinnias. These crops provide shade and support to sunflowers while also benefiting from their nutrient-rich soil.

Tips for Successful Sunflower Companion Planting

Here are some tips to keep in mind when practicing sunflower companion planting:

Choose the Right Sunflower Variety

Not all sunflowers are created equal. Choose a variety that works best for your garden and climate. For example, if you have a small garden, choose dwarf sunflowers that don't take up too much space. If you live in a hot and dry climate, choose sunflowers that are drought-tolerant.

Plant at the Right Time

Sunflowers are warm-season plants that thrive in temperatures between 70-78°F. Plant them after the last frost date in your area. Additionally, make sure to plant them in full sun, as they require at least 6 hours of direct sunlight daily.

Water and Fertilize Regularly

Sunflowers require regular watering and fertilization to grow healthy and strong. Water them deeply once a week, especially during hot and dry weather. Additionally, fertilize them with a balanced fertilizer every 3-4 weeks.


In sunflower companion planting is an excellent way to promote healthy growth and yield in your garden. By planting sunflowers alongside other crops, you can improve soil health, control pests, and provide support for climbing plants. Use the sunflower companion planting chart as a guide to choose the right crops to plant alongside sunflowers, and follow the tips mentioned above for successful growing.

FAQs

1. Can sunflowers be grown in pots?

Yes, sunflowers can be grown in pots as long as they have enough space to grow. Choose a large pot that is at least 18 inches deep and wide.

2. How often should sunflowers be watered?

Sunflowers should be watered deeply once a week, especially during hot and dry weather.

3. Can sunflowers be planted in the shade?

No, sunflowers require full sun to grow. Plant them in an area that receives at least 6 hours of direct sunlight daily.

4. What are some common pests that affect sunflowers?

Some common pests that affect sunflowers include aphids, whiteflies, and sunflower moths.

5. Can sunflowers be used for anything besides decoration?

Yes, sunflowers can be used for food, oil, and birdseed. The seeds are rich in protein, vitamins, and minerals and are a popular snack food.


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