Hibiscus getting infected with such black powder sort of thing. They doesn’t seems to move with water. by ninyaad horticulture 1 Comment skeezix_ofcourse 2 years ago Treat with 20ml liquid detergent in a 500ml atomiser filled with water, to start. Try looking for copper oxychloride in powder from a garden supplier & mix to the ratio recommended for ornamentals. After it clears up treat with homemade white oil every fortnight, look for a 2min YT video from Gardening Australia/White Oil. Write A CommentYou must be logged in to post a comment.
skeezix_ofcourse 2 years ago Treat with 20ml liquid detergent in a 500ml atomiser filled with water, to start. Try looking for copper oxychloride in powder from a garden supplier & mix to the ratio recommended for ornamentals. After it clears up treat with homemade white oil every fortnight, look for a 2min YT video from Gardening Australia/White Oil.
1 Comment
Treat with 20ml liquid detergent in a 500ml atomiser filled with water, to start.
Try looking for copper oxychloride in powder from a garden supplier & mix to the ratio recommended for ornamentals.
After it clears up treat with homemade white oil every fortnight, look for a 2min YT video from Gardening Australia/White Oil.