Pampas Lily-of-the-Valley Control Guide

Do's and don'ts of control

Pampas Lily of the Valley, photo:  Dean Zeven DPIPWE

Do's

  • Plan your control program, this will save time and money in the long-run;
  • Consider the impact of your control methods on off-target species, especially if herbicides are used;
  • Ensure machinery and equipment is washed down between sites or prior to contractors leaving site;
  • Get in early - For new infestations, eradicate before the plants reach the flowering stage: once plants begin seeding, control becomes more difficult and expensive;
  • Carefully time your use of herbicide for best results (see the Herbicides for Pampas-Lily-of-the-Valley Control link for more information);
  • Coordinate your control program with neighbouring landholders where your weed problem crosses property boundaries;
  • Revisit and regularly inspect the site and ensure follow-up is undertaken;
  • Use a combination of different control methods; and
  • Establish vigorous pasture (or native species) after removal to reduce re-infestation.

Don'ts

  • Don't introduce pampas-lily-of-the-valley to pampas-lily-of-the-valley-free areas (e.g. by failing to wash down machinery and equipment between sites);
  • Don't start your control program without first planning your approach;
  • Don't allow pampas-lily-of-the-valley to flower and set seed before treatment;
  • Don't rely on one attempt at removal - follow-up is essential;
  • Don't rely on just one control method.

Spread of pampas lily-of-the-valley

  • Pampas lily-of-the-valley is spread by seed and regenerating root fragments.
  • Seeds are spread on contaminated equipment, clothing and mud, and when birds and rodents eat the fruit.
  • Root fragments are spread on cultivation equipment and during road-grading, and in garden refuse.
  • See the Washdown Guidelines for Weed and Disease Control for detailed information on how to wash-down equipment and personnel to reduce the chance of spreading pampas lily-of-the-valley.

Physical removal

  • Individual plants can be removed with persistent digging, although all root material has to be removed.
  • All removed material should be bagged and disposed of to avoid spreading seed and root fragments.

Chemical control

  • Under an off-label permit issued by the Australian Pesticides and Veterinary Medicines Authority (APVMA), there are herbicides registered for the control of pampas-lily-of-the-valley in Tasmania. See Herbicides for Pampas-Lily-of-the-Valley Control for more information.
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