What Not to Plant with Oregano: A Guide to Companion Planting

Oregano is a popular herb that is used in a variety of dishes, from pizzas to pasta sauces. It is a hardy plant that can grow in a variety of conditions, but there are some plants that should not be planted near oregano. These plants can compete with oregano for water and nutrients, and they can also spread diseases. In this article, we will discuss what not to plant with oregano, so that you can grow healthy and productive plants.

| What Not To Plant With Oregano? | Reason |
|—|—|
| Basil | Competes for nutrients and water. |
| Tomatoes | Oregano can stunt the growth of tomatoes. |
| Cucumbers | Oregano can cause cucumbers to taste bitter. |

Oregano is a popular herb that is used in a variety of dishes, from pizzas to pasta to salads. It is a hardy plant that can grow in a variety of conditions, but there are some plants that should not be planted near oregano. These plants can compete with oregano for water, nutrients, and sunlight, and they can also affect the flavor of oregano.

Plants That Compete With Oregano

The following plants compete with oregano for water, nutrients, and sunlight:

  • Basil
  • Mint
  • Thyme
  • Rosemary

Basil is a fast-growing herb that can quickly crowd out oregano. It also requires a lot of water and nutrients, which can leave oregano stunted and unhealthy. Mint is another aggressive grower that can easily take over a garden. It spreads by rhizomes, which means that it can quickly form new plants from its roots. Thyme and rosemary are both drought-tolerant plants that can outcompete oregano for water.

Plants That Affect Oregano’s Flavor

The following plants can affect the flavor of oregano:

  • Chives
  • Garlic
  • Onions
  • Tomatoes

Chives have a strong flavor that can overpower the delicate flavor of oregano. Garlic and onions also have strong flavors that can clash with oregano. Tomatoes can produce a chemical called ethylene, which can cause oregano to lose its flavor.

When planting oregano, it is important to avoid planting it near other plants that compete with it for water, nutrients, and sunlight. It is also important to avoid planting it near plants that can affect its flavor. By following these tips, you can help your oregano grow to its full potential and produce delicious, flavorful leaves.

H2: Plants That Compete With Oregano

  • Basil

Basil is a popular herb that is often planted near oregano. However, basil is a fast-growing herb that can quickly crowd out oregano. It also requires a lot of water and nutrients, which can leave oregano stunted and unhealthy.

  • Mint

Mint is another aggressive grower that can easily take over a garden. It spreads by rhizomes, which means that it can quickly form new plants from its roots. Mint is also drought-tolerant, so it can outcompete oregano for water.

  • Thyme

Thyme is a drought-tolerant herb that can outcompete oregano for water. It is also a slow-growing herb, so it can take over a garden over time.

  • Rosemary

Rosemary is a hardy herb that can grow in a variety of conditions. However, it does require a lot of sun, which can leave oregano in the shade. Rosemary can also be a bit aggressive, so it is important to space it out from other plants.

H2: Plants That Affect Oregano’s Flavor

  • Chives

Chives have a strong flavor that can overpower the delicate flavor of oregano. If you want to plant chives near oregano, it is important to plant them in a separate container or bed.

  • Garlic

Garlic has a strong flavor that can clash with the flavor of oregano. If you want to plant garlic near oregano, it is important to plant them in a separate container or bed.

  • Onions

Onions produce a chemical called ethylene, which can cause oregano to lose its flavor. If you want to plant onions near oregano, it is important to plant them in a separate container or bed.

  • Tomatoes

Tomatoes can also produce ethylene, which can cause oregano to lose its flavor. If you want to plant tomatoes near oregano, it is important to plant them in a separate container or bed.

Plants That Attract Pests to Oregano

Oregano is a popular herb that is used in many dishes. It is a hardy plant that can tolerate a variety of conditions, but there are some plants that should not be planted near oregano because they can attract pests.

  • Aphids are small, soft-bodied insects that feed on the sap of plants. They can cause damage to oregano plants by sucking the juices out of the leaves, which can lead to wilting and stunted growth. Aphids are attracted to oregano plants because they produce a sweet sap that the aphids feed on.
  • Spider mites are tiny, eight-legged mites that feed on the sap of plants. They can cause damage to oregano plants by sucking the juices out of the leaves, which can lead to yellowing and curling leaves. Spider mites are attracted to oregano plants because they provide a warm and humid environment that is ideal for their survival.
  • Whiteflies are small, flying insects that feed on the sap of plants. They can cause damage to oregano plants by sucking the juices out of the leaves, which can lead to wilting and stunted growth. Whiteflies are attracted to oregano plants because they produce a sweet sap that the whiteflies feed on.
  • Slugs are soft-bodied, slimy creatures that feed on plants. They can cause damage to oregano plants by eating the leaves and stems, which can lead to wilting and stunted growth. Slugs are attracted to oregano plants because they provide a moist and humid environment that is ideal for their survival.

If you are concerned about pests, it is important to avoid planting oregano near plants that are known to attract them. Some of the plants that attract pests include:

  • Chrysanthemums
  • Petunias
  • Marigolds
  • Sunflowers
  • Cabbage
  • Lettuce
  • Tomatoes
  • Peppers

By avoiding planting these plants near oregano, you can help to reduce the risk of attracting pests to your oregano plants.

Plants That Can Cause Disease in Oregano

Oregano is a relatively healthy plant, but there are some plants that can cause disease in oregano. These plants include:

  • Fusarium wilt is a fungal disease that can cause oregano plants to wilt and die. The fungus that causes fusarium wilt can survive in the soil for many years, so it is important to rotate crops and avoid planting oregano in the same spot year after year.
  • Verticillium wilt is a fungal disease that can cause oregano plants to wilt and die. The fungus that causes verticillium wilt can survive in the soil for many years, so it is important to rotate crops and avoid planting oregano in the same spot year after year.
  • Powdery mildew is a fungal disease that causes a white, powdery coating on the leaves of oregano plants. The fungus that causes powdery mildew can survive in the soil and on plant debris, so it is important to clean up any fallen leaves and debris around oregano plants.
  • Rust is a fungal disease that causes orange or brown spots on the leaves of oregano plants. The fungus that causes rust can survive in the soil and on plant debris, so it is important to clean up any fallen leaves and debris around oregano plants.

If you are concerned about disease, it is important to avoid planting oregano near plants that are known to cause disease. Some of the plants that can cause disease in oregano include:

  • Tomatoes
  • Peppers
  • Cucumbers
  • Squash
  • Melons
  • Beans
  • Peas
  • Carrots
  • Potatoes

By avoiding planting these plants near oregano, you can help to reduce the risk of disease in your oregano plants.

What Not To Plant With Oregano?

Oregano is a popular herb that is used in many dishes. However, there are some plants that should not be planted near oregano, as they can compete for nutrients and water, or they can attract pests that can damage both plants.

Here are some of the plants that you should not plant with oregano:

  • Basil. Basil and oregano are both Mediterranean herbs that require similar growing conditions. However, they can compete for nutrients and water, so it is best to plant them in separate pots or gardens.
  • Cilantro. Cilantro and oregano are both herbs that are used in Mexican cuisine. However, they can attract the same pests, such as aphids and whiteflies. It is best to plant them in separate pots or gardens to avoid cross-contamination.
  • Dill. Dill and oregano are both herbs that are used in pickling. However, dill can attract the same pests as oregano, such as aphids and whiteflies. It is best to plant them in separate pots or gardens to avoid cross-contamination.
  • Marigolds. Marigolds are often planted near other plants to repel pests. However, they can also release chemicals that can stunt the growth of oregano. It is best to avoid planting marigolds near oregano.
  • Rosemary. Rosemary and oregano are both Mediterranean herbs that require similar growing conditions. However, they can compete for nutrients and water, so it is best to plant them in separate pots or gardens.

By following these tips, you can help to ensure that your oregano plants grow healthy and strong.

oregano is a versatile herb that can be used in a variety of dishes. However, there are a few plants that should not be planted near oregano, as they can compete for nutrients and water, or attract pests. These plants include mint, basil, rosemary, and sage. By avoiding planting these plants near oregano, you can help to ensure that your oregano plants are healthy and productive.

Author Profile

Arthur Cook
Arthur Cook
Meet Arthur Cook, the heart and soul behind Plant4Harvest.com. Arthur’s story is deeply rooted in the rich soil of a small American town, where the horizon is wide, and the values of hard work and connection to the land run deep. Born and raised in the quaint town of Elkmont, Alabama, Arthur’s journey in agriculture began in the sprawling fields of his family’s farm, a stone’s throw away from the Tennessee border.

Arthur’s thirst for agricultural knowledge led him to Auburn University, where he majored in Agricultural Science. During his college years, Arthur dedicated his summers to working on local farms, gaining practical experience in modern farming techniques. His academic and real-world experiences combined to give him a unique perspective on the challenges and opportunities in American agriculture.

Arthur Cook is more than just a farmer; he is an advocate for sustainable agriculture and a mentor to the next generation of farmers. Through Plant4Harvest.com, he continues to inspire, educate, and engage with a community of individuals who share his love for the land and commitment to preserving it for future generations.