Perkfection Supa for Roses and other plants
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NZ$16.00
NZ$16.00
per item
Active ingredient is Phosphite ion or Phosphomic Acid. Use to assist in the recovery from, or prevention, of diseases including black spot, downy mildew, root rot, silver leaf, wet weather diseases. Use 7ml per litre for initial spray, then monthly at 4ml per litre of water until plant healthy again. Gardens benefit from a 6 monthly prevention spray, spring and autumn at 4ml per litre.
4 available