Many homeowners in the Pacific Northwest suffer from poor quality lawn areas and in some cases entire lawns. To determine the appropriate resolution, it is important to first determine why your lawn is not thriving. There are numerous reasons. Poor drainage Poor soil drainage is the number one cause for lawn challenges. This problem can be identified by the presence of moss or standing water. If you have a considerable amount of moss present in your lawn, it indicates a drainage issue, where surface water is unable to adequately drain through the soil, which drowns the grass, leading to poor grass root establishment, which allows moss to quickly establish. Most soil types with poor drainage, such as high clay content usually also suffer from poor soil oxygen levels, which is also optimum conditions for moss establishment. Soil types with clay material can be amended with compost or mixed with a...