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By Barn57

United Kingdom Gb

how can I use wood ash in the garden?



Woodash only, don't use it if there is coal ash mixed in.
Woodash contains potash and trace minerals, so is good for building strong roots in plants. I mainly use it as an additional fertiliser to my potting composts, especially for bulbs. I also use it in the vegetable garden, eg for the brassicas. It can raise the pH of the soil so I don't use it near ericaceous plants.

10 May, 2012


I use it mixed with garden compost to mulch around tomatoes, building up the level around the feeding roots that form on the lower stem. It was a tip from Harry Dodson on Wartime Kitchen and Garden!

10 May, 2012


Thanks, I have now somewhere to put my heap of wood ash.

12 May, 2012

How do I say thanks?

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