A wheelbarrow filled with leaves and garden debris, representing organic matter used for improving soil health.

Importance of Organic Matter in Soil – How It Builds Garden Fertility and Structure

Soil organic matter is the fraction of soil made from decaying plant residues, stable humus, and microbial biomass. It drives fertility by improving structure, water storage, nutrient exchange, and root habitat. Productive garden soils often test between 3% and 6% organic matter by weight. Sandy beds perform well near 2-4%. Clay-based beds respond better near…

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A lush bed of pink and white ground cover plants, demonstrating effective weed suppression and enhancing soil health.

Best Ground Cover Plants That Choke Out Weeds In Sun, Shade, And Slopes

Last Updated May 06, 2026 Ground cover plants suppress weed seedlings after they close the soil surface, occupy the shallow root zone, and hold coverage through the season. Established perennial weeds still need removal before planting, because bindweed, bermudagrass, quackgrass, and nutsedge can grow through a young ground cover faster than the cover can knit…

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