Perennials to Avoid: Common Plants That May Harm Your Garden

If you are looking for plants to add to your garden, you might be overwhelmed by the sheer number of options available. However, not all plants are created equal, and some can actually harm your garden in the long run. In this article, we will discuss perennials to avoid and why they may not be the best choice for your garden.

1. Mint

A mint plant in a garden

Mint is a popular herb that's commonly used in cooking and teas. However, if you're planning to grow it in your garden, be wary of its aggressive growth habit. Mint tends to spread quickly and can quickly take over other plants in your garden, making them difficult to control. Additionally, it may also attract pests like aphids and spider mites, which can damage your other plants.

2. Japanese Knotweed

Japanese Knotweed

Japanese Knotweed is an invasive perennial that can cause serious damage to your garden. Its roots can grow up to 3 meters deep and 7 meters wide, making it difficult to remove once established. It can also damage foundations, pavements, and other structures, so it's important to avoid planting it altogether.

3. Wisteria

Wisteria in a garden

Wisteria is a beautiful flowering vine that can add charm to any garden. However, it's important to know that wisteria can be incredibly invasive and difficult to control. Its roots can spread out up to 30 feet and can damage walls and trellises. Additionally, it can be difficult to prune, and if left unmanaged, it can overwhelm other plants in your garden.

4. Goldenrod

Goldenrod

Goldenrod is a common perennial that's beloved for its bright yellow flowers. However, it's important to know that goldenrod can be incredibly invasive and can quickly take over your garden. Additionally, it produces large amounts of pollen, which can trigger allergies in some people.

5. Creeping Jenny

Creeping Jenny in a garden

Creeping Jenny is a low-growing evergreen perennial that's often grown as a ground cover. While it may look attractive at first, it's important to know that creeping Jenny can be incredibly invasive and can quickly take over your garden. Additionally, it can be difficult to control once established, so it's important to avoid planting it altogether.

6. Bishop's Weed

Bishop's Weed in a garden

Bishop's Weed is a fast-growing perennial that's often used as a ground cover. However, it's important to know that bishop's weed can be incredibly invasive and can quickly take over your garden. Additionally, it can be difficult to control once established, so it's important to avoid planting it altogether.

7. Russian Sage

Russian Sage in a garden

Russian Sage is a beautiful perennial that's often grown for its silver-gray foliage and purple flowers. However, it's important to know that Russian Sage can be incredibly invasive and can quickly take over your garden. Additionally, it can be difficult to control once established, so it's important to avoid planting it altogether.

Making informed decisions when choosing plants for your garden is crucial to maintaining its health and beauty. By avoiding these perennials, you can help ensure that your garden thrives for years to come.