Invasive and Restricted Plants

Japanese Knotweed: A very aggressive and fast-growing plant that can cause structural damage.

Giant Hogweed: Produces a toxic sap that causes severe burns when exposed to sunlight.

Giant Rhubarb: An aggressive, alien invasive plant that forms dense thickets.

Himalayan Balsam: Out-competes native flora, especially in riverbanks.

Rhododendron: Forms dense thickets that shade out and out-compete native plants for light and resources.

Cotoneaster: Certain species are restricted due to their invasive nature, so it's important to check which species are on the banned list.

Kudzu: An invasive vine that grows extremely quickly, spreading via runners and vines.

Noxious weeds

Common Ragwort: A noxious weed that landowners can be legally required to remove if it threatens land or livestock.

Creeping Thistle: Listed as a noxious weed in the Irish Statute Book.

Broad-Leaved Dock: Also listed as a noxious weed in the Irish Statute Book.