How It Works

  • 1. Order Kit

    Sign up—we mail you a soil test kit or offer testing for local Des Moines customers.

    Order Your Kit 

  • 2. Sample & Send

    Collect samples from your yard and mail back with prepaid label.

  • 3. Analyze & Blend

    We lab-test your results, email you a detailed soil report card with insights, and mix your custom granular formula: NPK, micros, humates, biologics.

    What's in the Bag 

  • 4. Deliver & Grow

    Receive your right-sized bag with application tips—watch your lawn thrive.

    Learn More 

Why Choose Custom Fertilizer?

Precision-matched to your soil — We analyze your lab results and blend exactly what your yard needs, not a one-size-fits-all formula.

No waste, perfect size — Bags are blended and sized for your specific sqft—no leftovers or over-application.

21+ nutrients for real health — Full NPK + micros (like Mn, Zn, Fe), humates to improve soil structure, and biologics for stronger roots.

Builds long-term soil — Focuses on restoration, not just quick green-up—your lawn gets healthier over seasons.

Local & personal — Iowa-based, with Des Moines metro testing/delivery and seasonal reminders.