United Kingdom 
how do i winter wash a apple tree
12 Feb, 2010
Answers
Yes, definitely no wind!! It'squite a messy job, so dress correctly! You could try one of those throwaway decorating suits.
12 Feb, 2010
There is a horticultural soft soap sold for the purpose. Follow the instructions on the container. And choose a day with no wind!
12 Feb, 2010