Vitax Winter Tree Wash is a formulation of natural plant and fish oils which should be applied to your bonsai during the dormant season. It is used to control possible outbreaks of insects such as greenfly, blackfly and whitefly by killing any overwintering bugs in the crooks of branches and their eggs.
Winter Tree Wash works purely by physical means and can be used outdoors or under glass.
How to Use
Mix 50ml of Winter Tree Wash for every 1 litre of water and apply to your bonsai using a sprayer, after leaf fall and prior to bud break in the spring
Winter Tree Wash should be applied during calm, dry conditions in the dormant period (November through to February).