Arum and Italian lilies are tuberous clump forming plants that produce attractive trumpet shaped flowers, but they can become weedy and difficult to control. Arum lily is poisonous.
Arum and Italian lilies are evergreen, clump-forming tuberous plants up to 1.5 m tall (Arum) and 60 cm tall (Italian). New tubers arise from shoots on the rootstock. The lilies have dark green, large, arrow-shaped leathery leaves. They produce large white flowers with a yellow spike and yellow-green berries. Italian lilies leaves are distinguished by their prominent pale cream veins.
There are 3 options for control of arum and Italian lily depending on the situation:
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