Arum lily (also commonly named funeral lily or death lily because it was once popular as a funeral flower) is a garden escapee that is now considered an environmental weed. Arum lily is a long-lived plant that is 1-1.5 m tall. It is known for its large, white flowers and recognisable leaves.
Arum lily prefers wet, sunny areas but can also grow in full shade. It is hardy and can tolerate waterlogging, fire, occasional frost and salt. It can grow in tropical and cold areas. In Helensburgh, it is common in swampy areas and along drainage lines and creeks, and has now spread into the Royal National Park and Garrawarra State Conservation Area.
Birds spread the seed, and plant parts are washed down gutters and creeks.
Removing large clumps of Arum lily is time consuming and requires many years of follow-up.
If you have Arum lily on your property or close-by, please do all you can to remove this invasive weed.
Grow Me Instead
Swamp lily - Crinum pedunculatum. This Australian native plant has rosettes of broad leaves and clusters of white, highly fragrant, flowers on 1m stems. Suits any soil, full sun or dappled shade and is mildly frost tolerant, it also grows well near ponds.
Grass flag - Libertia paniculata. Australian native which forms a grass like clump with masses of white flowers in spring, for moist, semi-shaded positions.