My hyacinth bean plant leaves have turned yellow and are falling off. Why?
Certified GKH Gardening Expert
Yellowing leaves could be watering issues; too much or too little, pests, disease or environmental issues.
Pests can be treated with Neem Oil, which also works as a fungicide.
Hyacinth Bean plants need lots of water, but soil should never be soggy.
The articles below will refresh you on the care requirements.