Wilko garden lime 35kg is strongly alkaline and will help to regulate the ph balance if your soil is over acidic itll also help break down heavy soils and is suitable for flower beds or veg plots apply late autumn or winter treats up to 30 square metres approxif the soil becomes too acidic the availability of nutrients even if present to plants will be greatly reduced the correct or neutral ph value for soil is 70 with 40 being very acidic and 80 being alkaline most vegetables thriv