After not seeing purple loosestrife (Lythrum salicaria) in Western New York for many years, you may have noticed it making a comeback. This invasive plant used to be common until certain insects were released to control it, according to an article by Lyn Chimera in the most recent edition of WNY Gardening Matters. The insects were effective and loosestrife declined. But when the number of loosestrife plants declined, the number of insects also declined. This led to the return of…...


