Wood ash contains calcium carbonate around potassium and other useful elements like phosphorous, manganese and zinc. In terms of commercial fertilizer, wood ash contains (N-P-K). It can be an excellent fertilizer for your garden if you use it correctly.
Fire pit The rear garden consists of a large entertaining area paved with random-cut Castlemaine slate. Four linden trees (*Tilia cordata*) punctuate the hard surface, framing views from the house into the garden.