How To Care Begonia Leaves. Some species such as wax begonias can tolerate direct sunlight but some like tuberous begonias prefer more shade. All begonias like evenly moist well-draining soil with some added organic matter.
Higher light levels will promote strong growth and blooms but avoid direct sunlight. A favorable environment for pests it is the dry air. There are some like Ironcross that have heavily textured leaves and the very frilly lettuce-like leaves such as beefsteak begonia.
9222020 If you do notice round white fluffy mildew marks on your begonia leaves remove the ones that are irreparably affected and wipe the rest of the leaves with a homemade mixture of 1 tablespoon of baking soda.
In case of occurrence of diseases in the leaves treatment with a fungicide. You can maintain fibrous begonias which often have waxy leaves and always have traditional root balls for 2-3 years with proper indoor and outdoor care. All begonias like evenly moist well-draining soil with some added organic matter. Polka Dot Begonia Spotted Begonia Trout Begonia.