5. Algae Control: If you have a pond or water feature in your garden that is affected by excessive algae growth, wood ash can be your salvation. Spreading a small amount of ash on the surface of the water can help suppress algae growth due to its high pH and nutrient content.
6. Tomato Plant Booster: Tomatoes have a high need for calcium and wood ash can be an excellent natural source of this nutrient. Before planting tomatoes, add a small amount of wood ash to the planting hole or mix it with the soil. This will strengthen the plants, reduce the risk of final flower rot and promote healthy, fertile development.
7. Frost Protection: Wood ash has insulating properties and can help protect plants from frost damage. Applying a thin layer of ash around the base of vulnerable plants can act as a protective barrier, reduce heat loss and protect against frost.
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