Osmo Pro Fertilisers are a highly effective range of slow release organic / organi-mineral fertilizers formulated for the development of plants, turf or commercial cultures. Presented as a dust-free crumb (information sheet available).

OSMO PRO 3 is a unique acid working organic-mineral fertiliser for the application in the commercial growing of Hydrangea, Rhododendron, Azalea, Calluna, Erica and other acid loving plants, To apply also in landscaping. This formulation works up to 3 months and is in crumb form.

Composition: Compound organic fertiliser with magnesium 6-4-6 +2MgO 6% N of which 3% organic nitrogen 2% urea nitrogen and 1% ammonium nitrogen.
Organic matter: 35%