2.5kg Alum - Aluminium Sulphate
Stock Code:
M-AS2.5
Description
Features and Benefits
- Acidifies the soil around hydrangeas to produce crops of blue sepals.
Directions For Use
Dissolve 30 grams (approximately 2 heaped tablespoons) in each 5 litres of water.
Apply over 5 square metres of soil, or to the soil surrounding four full size hydrangeas.
Commence applying immediately after Winter pruning, repeat applications every two weeks until flowering is finished.
