Debunking 'Plant Shampoo' and Home Remedies: Why Plain Sugar Beats Beer for Lawn Health

What Is "Plant Shampoo"?

Popularized by Jerry Baker, "plant shampoo" is essentially a surfactant mix claimed to clean foliage and improve absorption. In practice, it provides no nutritional benefit and does nothing that plain water doesn't.

The Sugar Connection

Baker recommends beer, bourbon, cola, and other sugary liquids for lawns. The active ingredient in all of them is sugar. Plain table sugar delivers the same microbial food at a fraction of the cost—and without alcohol, additives, or sticky residues.

Why Sugar Works (and Shampoo Doesn't)

Sugar feeds beneficial soil bacteria and fungi. These microbes decompose organic matter, cycle nutrients, improve soil structure, and suppress pathogens. "Plant shampoo" contains no microbial food and offers no lasting soil improvement.

Cost Reality Check

• Sugar: ~$0.50/lb; 4–5 lbs per 1,000 sq. ft. = $2–$2.50 per application.
• Beer: ~$1–$2 per 12 oz (0.07 lbs sugar) = $150+ per lb of sugar.
• Bourbon: Even more extreme.

Stick to Proven Organics

The author's 10-year organic program uses only:

• Sugar (spring, fall, sometimes summer)
• Baking soda spray for fungus (2 Tbsp/gal)
• Deep weekly watering (6+ inches)
• Alfalfa meal & lava sand (recent additions)
• Corn gluten meal for pre-emergent weed control

Result: zero weeds for 8+ years, no harmful insects, 90% less work and cost, and dramatically improved asthma from eliminating chemical exposure.

Bottom Line

Don't waste money on gimmicks. Feed the soil workers with sugar, water deeply, and let biology do the rest.