QuestionsHow to growVegetable GrowingSpring CabbageSavoy cabbage 0 Vote Up Vote Down Denis Jordan asked 14 years ago Planted out savoy cabbage about 6 weeks ago. Doing well. Now some of the plants are been eaten. All that remains is like a grey dust.All I can see is very small cream like bugs.Any idea what they are and how to treat. 1 Answers 0 Vote Up Vote Down Gerry Daly Staff answered 6 years ago It is late to plant savoy cabbage in late August. It seems to have clusters of cabbage mealy aphid, a form of greenflies. Spray with a greenfly spray.