Wisteria vine

Hi Anne,

I live in northern NJ. This year for whatever reason, it set beautiful buds, many flowered then mysteriously the buds began to schrivel and leaf production is spotty. It has been very robust til now, it's an old vine that has been trained as a squatty tree. Any suggestions?

Thanks,
Ruth

Anne's response:

It sounds like someone may have sprayed an herbicide such as Roundup near the plant. Another cause might be a late freeze after the plant began to set out new growth.