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10 Bad Companion Plants for Blueberries

bad companion plants for blueberries

Blueberries are a popular fruit that is packed with antioxidants and other nutrients. They are relatively easy to grow, but they do require some specific growing conditions to thrive. One of the most important factors in growing blueberries successfully is choosing the right companions. Some plants can inhibit the growth of blueberries or attract pests that can damage them. In this article, we will discuss ten bad companion plants for blueberries and provide tips on how to avoid planting them together.

Bad Companion Plants for Blueberries

1. Azaleas and Rhododendrons

Azaleas and rhododendrons are beautiful flowering shrubs that are often grown near blueberries. However, they are not good companions because they both prefer acidic soil. When planted near blueberries, they can compete for nutrients and make it difficult for the blueberries to thrive.

How to avoid:

If you want to plant azaleas or rhododendrons near your blueberries, make sure to test your soil pH first. If your soil pH is already acidic enough for blueberries, you may be able to plant these shrubs nearby. However, if your soil is alkaline, you should avoid planting them together.

2. Black Walnut Trees

Black walnut trees produce a chemical called juglone that is toxic to many plants, including blueberries. If you have black walnut trees growing near your blueberries, they may struggle to grow and produce healthy fruit.

How to avoid:

If you have black walnut trees growing near your blueberries, try to create a barrier between them. You can plant a row of non-toxic plants, such as comfrey or yarrow, to help absorb some of the juglone and protect your blueberries.

3. Brassicas

Brassicas, such as broccoli, cabbage, and kale, are not good companions for blueberries because they can attract pests that will also attack blueberries. The cabbage looper, for example, is a common pest that feeds on both brassicas and blueberries.

How to avoid:

If you want to grow brassicas and blueberries together, try to separate them by planting them in different areas of your garden. You can also use natural pest control methods, such as companion planting with herbs like basil or planting marigolds nearby to deter pests.

4. Mint

Mint is another bad companion for blueberries because it can spread aggressively and crowd out other plants. It also attracts pests like aphids and spider mites, which can damage blueberries.

How to avoid:

If you want to grow mint and blueberries together, try planting them in separate containers or raised beds to prevent the mint from spreading. You can also use natural pest control methods, such as spraying your plants with a mixture of water and dish soap to deter pests.

5. Nightshades

Nightshades, such as tomatoes, peppers, and eggplants, are not good companions for blueberries because they prefer similar growing conditions. When planted together, they can compete for nutrients and water, making it difficult for both plants to thrive.

How to avoid:

If you want to grow nightshades and blueberries together, try to separate them by planting them in different areas of your garden. You can also use natural pest control methods, such as companion planting with herbs like dill or planting marigolds nearby to deter pests.

6. Potatoes

Potatoes are not good companions for blueberries because they can attract pests like the Colorado potato beetle, which can also damage blueberries. They also prefer similar soil conditions, so they can compete for nutrients and water.

How to avoid:

If you want to grow potatoes and blueberries together, try to separate them by planting them in different areas of your garden. You can also use natural pest control methods, such as planting mint or marigolds nearby to deter pests.

7. Strawberries

Strawberries are not good companions for blueberries because they can compete for nutrients and water. They also prefer similar growing conditions, so they can both be susceptible to the same diseases and pests.

How to avoid:

If you want to grow strawberries and blueberries together, try to separate them by planting them in different areas of your garden. You can also use natural pest control methods, such as companion planting with herbs like thyme or planting marigolds nearby to deter pests.

8. Sweet Peppers

Sweet peppers are not good companions for blueberries because they can attract pests like aphids and spider mites, which can also damage blueberries. They also prefer similar growing conditions, so they can compete for nutrients and water.

How to avoid:

If you want to grow sweet peppers and blueberries together, try to separate them by planting them in different areas of your garden. You can also use natural pest control methods, such as companion planting with herbs like basil or planting marigolds nearby to deter pests.

9. Tobacco

Tobacco is not a good companion for blueberries because it can attract pests like the tobacco hornworm, which can also damage blueberries. It also produces nicotine, which is toxic to some plants, including blueberries.

How to avoid:

If you want to grow tobacco and blueberries together, try to separate them by planting them in different areas of your garden. You can also use natural pest control methods, such as companion planting with herbs like rosemary or planting marigolds nearby to deter pests.

10. Walnuts

Walnuts, like black walnut trees, produce juglone, which is toxic to many plants, including blueberries. If you have walnuts growing near your blueberries, they may struggle to grow and produce healthy fruit.

How to avoid:

If you have walnuts growing near your blueberries, try to create a barrier between them. You can plant a row of non-toxic plants, such as comfrey or yarrow, to help absorb some of the juglone and protect your blueberries.

Choosing the right companions for your blueberries is essential for their success. By avoiding these ten bad companion plants, you can ensure that your blueberries have the best chance of thriving and producing healthy fruit.

FAQs

Q1: Can I plant blueberries near roses?

A: Yes, blueberries can be planted near roses without any issues. Roses are not known to be bad companions for blueberries.

Q2: Can I plant blueberries near raspberries?

A: Yes, blueberries and raspberries can be planted near each other without any issues. In fact, they are often grown together in berry patches.

Q3: Can I plant blueberries near strawberries?

A: It is not recommended to plant blueberries near strawberries because they can compete for nutrients and water. They also prefer similar growing conditions, so they can both be susceptible to the same diseases and pests.

Q4: Can I plant blueberries near tomatoes?

A: It is not recommended to plant blueberries near tomatoes because they can compete for nutrients and water. Tomatoes can also attract pests like the Colorado potato beetle, which can also damage blueberries.

Q5: Can I plant blueberries near mint?

A: Mint is not a good companion for blueberries because it can spread aggressively and crowd out other plants. It also attracts pests like aphids and spider mites, which can damage blueberries.

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