If you have a fireplace or wood stove, take your ashes and put them around your plants. Your plants will grow better, and less or no weeds will grow there.
By enola from WI
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I like to mix mine with compost for a more natural appearance. The plants love it!
Suppose you buy a chemical concentrated fertilizer which content is: potash between 2 and 9%, Silica 14%, magnesium between 1 to 4%, phosphorus between 0.5 to 2%, and a very high level of calcium and potassium. Obviously, it will be clearly specified that this fertilizer should only be used diluted. These contents levels are the wood ashes contents levels.
If not used only in very small amounts, far enough from plant's feet, and not at all near plants which roots' net is very close to the surface, wood ashes will not only burn the plants it was supposed to fertilize but also and for a long time, destroy the soil causing a chemical imbalance of the soil which will result in a very bad diet for the plants. Excess potash results in poor assimilation of magnesium and other essential elements. Excess lime causes a blockage of essential trace elements and destroys soil humus by releasing nitrogen in gaseous form, spreading it to a large area. The safest way to use wood ashes is to add it to compost which will give time to rainfalls to deconcentrate the chemical elements and to let it mix well with soil. Once diluted and used in small amount it is a good fertilizer for bamboos which love silica and because of its magnesium content level which is the main constituent of plant's chlorophyll.
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