Hemlock is highly acidic so good for plants that like acidity but not as good for others. It may be good in very dry open areas but for nice groomed house gardens Hemlock is my prefered mulch-looks great and smells wonderful for a long time. Stunning 40 Gorgeous Garden Landscaping Ideas Https Kidmagz Com 40 Gorgeous Garden Walkway Landscaping Small Front Yard Landscaping Landscaping Inspiration If you are concerned about salt seaweed can be spread out over the driveway and rinsed with a hose. Hemlock mulch pros and cons . Because theyre made from trees hemlock and cedar are both organic mulches. Its often available regionally but there are also some brands that are bagged for national distribution. One of the issues that outdoor plants must manage is moisture retention. It decomposes very quickly. One of the problems that outdoor flowers and plants must control is moisture retention. Larger pieces tend. Pros and Cons of Organic Mulch Pros. This type of mulch shoul...