Forum home The potting shed

Grit or not with Ericaceous

Should I use any grit with Ericaceous compost with planting a Rhododendron in a pot  


  • fidgetbonesfidgetbones Posts: 14,809
    You need to make sure it is not alkaline.  Crushed slate would be ideal over a soil based ericaceous compost.
    You don't stop doing new things because you get old, you get old because you stop doing new things. <3
  • TerrysWorldTerrysWorld Posts: 112
    I use Bowland Horticultural Grit, unsure if that's alkaline or not and the compost is Godwins Ericaceous, again not sure if that's soiled based or not.

    I normally  cover any compost with this grit to help retain moisture and mix with some composts to aid drainage.

    But unsure for a Rhododendron, should it be added to aid drainage. If so, by what ratio.
  • young codgeryoung codger Posts: 310
    I find the use of grit mixed in to the growing medium to be excellent for improving growth. 

     It  not only improves drainage, but also creates small air pockets providing more oxygen for root development of plants.
Sign In or Register to comment.