Allamanda Plant Leaves Turning Yellow. I have taken it outside for a few hours at a time but for the most part it stays inside since its pretty windy on our balcony. Allamanda cathartica is use as a climber with yellow flowers and is well suited to plant window.
How to plant allamanda. Native to tropical parts of Central and South America 12 species of allamanda exist. My allamandas used to be looking great but lately they are stalky and leaves turning yellow and dropping.
Both bone-dry and waterlogged soils cause unhealthy yellowing leaves.
I have observed a slight increase in the yellowing of the leaves. These flowers are four to five inches across and they can be seen on the plant from early summer until as late as November or December in. Why are my Allamanda leaves turning yellow. Watering Needs Allamanda plants are evergreen and must not be exposed to subfreezing temperatures.