Ash From Fire Good For Garden. Fireplace Ashes Can Be Great for Your Garden. According to the very thorough information from Oregon State University Extension Service ash from a cord of oak will provide enough potassium for a garden 60 x 70 feet whereas a cord of Douglas Fir will be sufficient for a garden 30 x 30 feet while both will raise the soil pH slightly.
Benefits for Soil. Then as ashes are applied the treated area can be shaded in or otherwise marked. Ashes from a wood-burning fireplace can be a valuable fertilizer for your vegetable garden and they usually are free for the hauling.
There are two by-products of having a fire - ash and charcoal.
When you burn your wood in the fireplace take note of what wood you use. Ashes from fireplaces and wood-burning stoves can be a good source of potassium. Benefits for Soil. There are two by-products of having a fire - ash and charcoal.
