What Causes Yellow Leaves On Lavatera. When hollyhock rust disease infects. Because of the extreme heat I water when plant starts to wilt or every other night.
Often the leaves of plants that are under-watered will be crispy with a slight curl to the leaf while over-watered leaves will be limp. The fungus begins by turning the foliage yellow followed by withering of the leaves and early leaf-drop. However it can cause the foliage to turn yellow and the leaves to wither and drop.
Knock the spider mites.
Common Reasons Leaves Turn Yellow. 20072017 Leaves dropped for this reason will be yellow to tan with few if any leaf spots on them. 17062012 Lavatera hit by rust disease needs attention. Hollyhock rust is usually most severe in spring and autumn.