Table 1.

Timeline of significant events related to the 1997–2009 drought in the City of Melbourne.

1993First appearance of elm leaf beetle in Melbourne tree population.
1997/98 summerFirst year of extended drought period.
1999First applications of imidacloprid (Confidor®) to treat elm leaf beetle.
2004Evidence of crown death beginning in older elm trees.
2006 NovemberApplication of Stage 2 Water Restrictions – irrigation of lawns banned.
2007 JanuaryApplication of Stage 3 Water Restrictions – first installations of drip irrigation.
2010 autumnDrought “ends” with good autumn rain.
2010/11 summerWet summer.