Photographs: Co. Cork

New Zealand Pigmyweed / Australian or Swamp Stonecrop Crassula helmsii Crasal Nua-Shéalannach Family: Crassulaceae Flowering June-August. Perennial. Introduced. Garden escape. The tiny, stalked, axillary flowers are whitish-pink with 4 petals. Slender, trailing and/or erect stems with fleshy, opposite, linear leaves. Makes very rapid and invasive growth, spread indefinite. A garden escape or discard from ponds and aquaria that was first recorded in Ireland in 1984 (Co. Armagh). It can grow on mud, permanently damp ground or in water and is a very invasive garden escape that is rapidly increasing and poses a threat to bio-diversity

New Zealand Pigmyweed, Crassula helmsii, Crasal Nua-Shéalannach