Using Sugar to Suppress Dollar Weed in Flower Beds Without Harming Ornamentals

How Sugar Works

Sugar (1 lb per 250 sq ft) feeds beneficial soil microbes. As microbes multiply, they enrich soil structure and nutrient cycling. Weeds thrive in poor, compacted soil; rich, biologically active soil suppresses them.

Effect on Desirable Plants

Daylilies, hydrangeas, begonias—all benefit from improved soil. Sugar doesn't "kill" weeds directly; it creates conditions where weeds can't compete. Fertilizers feed weeds too; sugar builds soil health.

Application

• Spread sugar evenly over beds.
• Water in well (prevents ants).
• Repeat annually; weed pressure drops each year.
• Combine with manual removal for faster results.

Key Principle

Organic gardening is all-or-nothing. Chemicals cancel organic benefits. Build soil, and weeds become a memory.