Medium for geraniums Sterlux 50L

  • It is a ready-to-use substrate that is ideal for amateur pelargonium cultivation. In addition to peat, the substrate contains multi-component fertilizer and clay. The pH value is adjusted with chalk from 5.5 to 6.5.
  • Medium for geraniums Sterlux 50L
Producer: Agaris (Hollas)
Product code: 173
21,99 zł
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Product description

In the substrate, other flowering plants can be successfully grown when their nutritional requirements are similar to pelargoniums, e.g. petunias (surfinas), begonias, primula and verbena.



  • Prepare a clean pot with drainage holes.
  • Place a layer of drainage at the bottom of the pot, e.g. gravel or pebbles.
  • Loosen the base before use.
  • Half-fill the pot with the substrate and then gently place the plant in it.
  • Complete the pot with substrate to a height of 1.5 cm below its edge.
  • Carefully knead the substrate, taking care not to damage the roots.
  • The plant should be watered abundantly with water.


  • Do not use as an admixture of the previously used substrate.
  • Plants should be watered regularly, preventing overdrying and flooding the substrate. Avoid wetting the aerial parts of pelargonium.
  • The substrate contains a starting dose of fertilizer, therefore it is recommended to start fertilizing them regularly after about two weeks after planting the plants. Fertilizers should be used strictly according to the manufacturer's instructions and in accordance with the requirements of the plants (high in potassium).


The substrate was prepared on the basis of high miller peat, deacidified with chalk. It contains clay and a starting dose of multi-component fertilizer.

  • pH: 5.5 - 6.5
  • salinity: not more than 2.5 g NaCl / dm3
  • multi-component fertilizer NPK + Mg (14-16-18) + (5): 1 kg / m3
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