Summer is the perfect time for gardening enthusiasts to get out and about, tending to their plants. However, amidst the beautiful blooms, there are some invasive species that could cause problems. James Ewens, a gardening expert at Alexander Francis, has highlighted ten 'criminal' plants that could result in hefty fines if they're found in your garden or not properly managed.

Japanese Knotweed This plant is probably the most notorious on the list. Japanese Knotweed can cause such extensive damage that it's checked for during house-buying surveys and can significantly affect property values. While it's not illegal to have Japanese Knotweed in your garden, it's strongly discouraged due to its ability to grow through concrete and the years it takes to fully eradicate.

If you allow it to spread to someone else's property, you could face prosecution or be issued with a community protection notice, reports the Mirror . Get the latest Nottinghamshire politics news straight to your phone by joining us on WhatsApp Giant Hogweed Giant Hogweed, a plant often found by rivers and motorways, has become increasingly problematic in recent years. Despite its resemblance to the harmless cow parsnip, Giant Hogweed should be avoided due to its harmful chemical content that can cause severe burns and permanent scarring upon contact.

If spotted, it's recommended to inform your local council for safe removal. While it's not illegal to have this plant in your garden, allowing it to spread is an offe.