Watsonia (Watsonia bulbillifera)

A plant with broad, stiff, grass-like leaves growning from perennial corms, with attractive brick-red flowers in summer. It often forms large colonies along roadsides. Similar to montbretia bu has aerial corms along flowering stems.

Treatment methods

  • Dig out very small sites. Dispose of the corms.
  • Spray: glyphosate 10ml/L + Escort 4g/10L water + penetrant at full leaf stage.
  • Weed wiper: Escort 1g + glyphosate 100ml + penetrant 20ml/L water at full leaf stage.
  • Follow up six-monthly.