Skip to Content

Rosemary Root System: Are Rosemary Roots Invasive?

Rosemary is one of the renowned and valuable fragrant shrubs. Rosemary plants have a variety of applications. 

So, you might want to plant rosemary plants in your house around the house. While planting any tree around the house, knowing about the invasiveness is essential.

So, you might be confused about whether rosemary roots are invasive or not. You must know about the invasiveness if you want your house’s foundation safe. Because invasive plants can damage structures and foundations.

Moreover, learning about the root system of Rosemary is also essential while growing this plant. So, let’s see details about it.

Rosemary root system explained.

The Rosemary root system is fibrous. Generally, rosemary plant roots are not considered invasive. That means if you plant Rosemary around any foundation, the roots will not damage the foundation. This is because rosemary plants get enough water, sunlight, and nutrients.

Generally, rosemary plants are grown in a controlled geographic area. These plants can’t be grown everywhere.

So, the controlled geographic area has enough water and nutrients. Moreover, the site also has sunlight and other essential things. That’s why these plant roots don’t go deep in search of water and nutrients.

However, Rosemary can be of different types. For example, coastal Rosemary and rosemary bush are different types. 

Sometimes, different kinds of plants of the same species have different characteristics. So, let’s see whether these rosemary roots are invasive or not.

Coastal Rosemary:

Coastal rosemary roots are considered non-invasive. Generally, rosemary roots are non-invasive. That means rosemary roots will not damage any structure or foundation. Most coastal plants’ roots are invasive. But rosemary roots are not invasive.

However, invasive plants can damage the foundation or pipeline. Because their roots don’t get enough water or nutrients. So, these roots go deeper into the soil in search of water. But non-invasive plants are not like this.

For example, coastal Rosemary is grown in specific areas. These particular areas have enough essential elements for Rosemary. For example, the regions have sufficient water, sunlight, nutrients, etc.

But in some areas, coastal rosemary roots are considered invasive. These areas are comparatively dry and don’t have enough essential elements for rosemary plants.

However, coastal rosemary roots have a fibrous root system. Generally, the fibrous root system doesn’t go deeper into the soil. So, these roots will not damage any foundation or pipeline.

If you want to grow Rosemary around your house and the area is suitable to grow Rosemary, you can plant Rosemary. Rosemary roots will not damage pipelines or foundations.

Rosemary bush:

Rosemary bush roots are not invasive. Generally, the invasiveness of a plant depends on different things. However, rosemary bushes are not considered invasive. Even their roots are not that deep.

So, they are also suitable to grow in a container or pot. You can grow rosemary bushes in a container in your house also. The roots will not damage the container or come outside from the container.

Generally, rosemary bushes are grown in controlled areas with enough water and sunlight. So, rosemary plants don’t need excess water, nutrients, and sunlight.

For this reason, rosemary bushes don’t go deep into the soil. But if these bushes are left without care for many years, the bushes can become invasive. That means the roots can become invasive in search of water and nutrients.

Generally, you don’t need to keep the rosemary bush away from the foundation or structure. But if the bushes are left without care, the roots will find their way to grow deeper.

You might know that rosemary bushes have fibrous roots and can grow deeper up to 24 inches into the soil. So, if you plant Rosemary too close to a structure within 24 inches to a structure, the roots of Rosemary can damage the structure.

Does Rosemary have deep roots?

No, Rosemary doesn’t have deep roots. Rosemary roots are not too deep and non-invasive. You might know that different plants have a different root systems.

So, Rosemary has a fibrous root system. Fibrous roots are shallow types. So, rosemary roots don’t go too deep into the soil.

But rosemary roots also don’t have too small roots. They can grow up to 24 inches into the soil. So, if you want to collect stem cutting from the rosemary plants, you will not find the stems on the surface.

For having fibrous roots, many people think that Rosemary can’t spread. But Rosemary can spread well into the soil. Though rosemary roots don’t go deeper into the ground, these roots can also spread out.

Sometimes, rosemary plants are used for ornamental purposes. These plants are also grown in containers. That means the roots are not too deep and invasive. Rosemary plant roots will also not damage any structure since the plants are non-invasive.

How Deep Are Rosemary Roots?

The average depth of rosemary roots is 14 inches. Though the roots can sometimes grow up to 24 inches, these roots are less than 24 inches most times. This depth is not considered too deep.

Sometimes, people mistake rosemary roots for invasive roots. But rosemary roots are not that deep to become invasive. Generally, if roots are invasive, the roots can grow too deeper into the soil and damage structures.

For example, invasive plants damaged pipelines in search of water. But rosemary roots are not that deep. If rosemary roots are within the limit of 24 inches, the roots will not damage the structure or foundation.

Deeper roots can cause many problems. Especially if the roots don’t get enough water, sunlight and nutrients, the roots will grow deep into the soil.

But rosemary roots get sufficient water, sunlight, and nutrients. So, they don’t need to go deeper into the ground for these essentials.

Most rosemary plants are grown in areas where sufficient water, sunlight, and nutrients are available. So, the roots are healthy within their natural growing limit.

Even rosemary plants can be grown in containers also. So, the roots are medium deep that can grow well in a small area.

Can Rosemary roots damage foundation or pipes?

No, generally, rosemary roots can’t damage the foundation or pipes. Because rosemary roots don’t go too deep into the soil.

Generally, invasive plant roots can damage the foundation or pipes. Because these roots can go deep into the soil in search of water or nutrients.

But rosemary roots are non-invasive. That means these roots don’t damage foundations or pipes. Rosemary plants are grown in areas with enough water, nutrients, and other essential elements.

So, rosemary plants get enough essential elements from their soil. The roots are already healthy from where they are. So, the roots don’t need to grow deep into the ground.

However, you might think about whether these plants can even damage the foundation or not.

Yes, if these plants are in a harsh situation, they can find their way into the soil. For example, if the rosemary plants are not getting enough water and the roots are close to a water pipeline, the roots can damage the pipeline.

So, if the rosemary roots are left without care, the roots can find water from the foundation or pipe. But most times, rosemary roots are non-invasive and don’t damage foundation or pipe.

Do Rosemary spread or multiply?

Yes, rosemary plants spread out when they are completely grown. Generally, these plants can grow up to 4 feet tall and 4 feet around the ground. So, the plants can spread around the ground pretty well.

That’s why people grow Rosemary in their garden so that the plants can spread through the whole garden. These plants will look good once they are spread throughout the garden. This will bring aesthetic value also.

However, rosemary plants also multiply from their stems. If you want to multiply rosemary plants and grow some in containers, you can do it by stem cutting. For example, you have to cut the healthy stem from the roots of Rosemary.

Another rosemary plant will be grown if you plant a stem cutting from the rosemary root. The new plant will be the same as the mother plants. So, rosemary plants can be grown or multiplied following this method.

Final Thoughts

The Rosemary root system is a fibrous type. Moreover, the roots will not go deeper into the ground. Because the average depth of the rosemary roots is 14 inches. That means rosemary roots are also not invasive. These roots will not damage any foundation or pipes around your house.