It’s rare for wisteria to have problems and we’ve never experienced this. Wisteria may have knots but if they are leaking sap, that seems concerning. Normally with any knot disease, you need to prune it out. The important thing is that the roots aren’t infected.
It’s rare for wisteria to have problems and we’ve never experienced this. Wisteria may have knots but if they are leaking sap, that seems concerning. Normally with any knot disease, you need to prune it out. The important thing is that the roots aren’t infected.