Straw
Pro’s
- Readily available
- Lightweight, easy to spread.
- Helps retain moisture in the soil
- Suppresses weeds
- Breaks down slowly, adding organic matter to the soil.
Con’s
- Straw may contain weed seeds, especially if not properly composted.
- It can also attract rodents and birds looking for nesting material.
Leaves
Pro’s
- Abundant in the fall.
- Provide excellent insulation for the soil
- Promote earthworm activity
- Break down into rich organic matter over time.
Con’s
- Whole leaves can form a dense mat that may inhibit water penetration and air circulation if not shredded.
- Some leaves, such as those from walnut trees, may contain allelopathic compounds that inhibit plant growth.
Wood Chips
Pro’s
- Effective at suppressing weeds
- Best to use for pathways
Con’s
- Fresh wood chips can tie up nitrogen in the soil as they decompose, which may temporarily inhibit plant growth.
- They can also attract termites if applied too close to structures.
Pine Needles
Pro’s
- Lightweight, acidic, and slow to decompose.
- Provide good insulation for the soil
- Suppress weeds, and deter slugs and snails.
Con’s
- They can increase soil acidity over time, which may not be suitable for all plants.
Grass Clippings
Pro’s
- Readily available
- Add nitrogen
- Help retain moisture in the soil
- Suppress weeds.
Con’s
- Fresh grass clippings can mat together, forming a barrier that prevents water from reaching the soil.
