Alfalfa Mulch: The Secret to Weed-Free, Worm-Rich Garden Beds

When soil tests show optimal fertility, the challenge shifts to maintaining that balance while suppressing weeds. The answer? Alfalfa hay mulch.

Why Alfalfa Mulch Works

• Nitrogen-rich: Breaks down to feed soil and plants.
• Worm magnet: A 4-inch layer draws earthworms, which aerate soil and deposit castings.
• Weed suppression: Thick mulch blocks light, preventing weed germination.
• Moisture & temperature regulation: Keeps roots cool and moist.

Application System (Twice Yearly)

1. Spring: Till in winter mulch, reapply 4 inches fresh alfalfa.
2. Fall: Till in summer mulch, apply 4 inches for winter cover.

Result: Near-zero weeds, sustained fertility, ideal root environment.

Alternative Mulches

• Shredded alfalfa + cold manure (sheep, goat, rabbit) for extra nitrogen.
• Composted cow/chicken manure if cold manure unavailable.
• Plain shredded alfalfa—still excellent.

This simple, cyclical mulching builds a self-sustaining soil ecosystem where weeds struggle and crops thrive. Visit avant-gardening.com for more on sustainable soil building.