small white spider on crepe myrtle
Friend or foe? I only found one. Also, why did so many leaves fall off after I sprayed with neem oil?
Friend, I would guess. The only kind of spiders that are troubling to plants are types of spider mites, which are about the size of pin-points. Re: the neem oil, are you sure you followed all the label directions as to mixing, testing, etc? This article may hold some clues: https://www.gardeningknowhow.com/problems/pests/neem-oil-uses.htm