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Using Garden Waste Compost as a Substitute for Bark

westes Zone 9b California SF Bay
5 months ago
last modified: 5 months ago

In a raised bed, what are the reasons that you might prefer using bark over garden waste compost? In a container situation, I understand that carefully sized bark helps to control the hydrology of water in the container, by lowering the perched water table. In a raised bed that concern goes away, so it might be more about the relative ability of each type of ingredient to hold nutrients. Let's consider this question in the context of a plant that does well in bark soils, such as Azalea, Rhododendron, or Camellia.

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