Any idea why my purple wisteria has never bloomed and what, if anything, I can do to get it to produce blooms?

Is there something I can put on them before the insects arrive? A: Use the systemic insecticide Merit (Imidacloprid) as a ...

Is there something I can put on them before the insects arrive? Use the systemic insecticide Merit (Imidacloprid) as a soil drench. Apply it in mid-May, and your timing should be perfect.

This disease is spread by an insect and attacks the vascular system of the trees ... Second, remove all diseased tissue ...

This disease is spread by an insect and attacks the vascular system ... about an inch of healthy tissue beyond. Third, drench with a systemic fungicide specific for phytophtora.