Best Lawn Fertilizer Under $40 According to AI for Suburban homeowner with a quarter-acre yard (2026)
Tracked across 1 benchmark run from Apr 13, 2026 to Apr 13, 2026
The exact question we asked AI models
“I'm a 42-year-old suburban homeowner with a quarter-acre yard, looking for lawn fertilizer under $40 for everyday use. What are my best options?”
Brand Recommendations
Aggregated across ChatGPT, Claude, Gemini, and Perplexity over 1 benchmark run.
| # | Brand | Mentions | Top-3 | First Picks |
|---|---|---|---|---|
| 1 | Milorganite | 4 | 4 | 0 |
| 2 | Scotts | 4 | 4 | 3 |
| 3 | GreenView | 1 | 1 | 0 |
| 4 | Pennington | 1 | 1 | 0 |
| 5 | Sunniland | 1 | 1 | 1 |
| 6 | Down to Earth | 1 | 0 | 0 |
| 7 | Vigoro | 1 | 0 | 0 |
| 8 | Expert Gardener | 1 | 1 | 0 |
Model-by-Model Breakdown
Top brands each AI model recommends for this prompt.
chatgpt
- 1.Scotts
- 2.Milorganite
- 3.Pennington
claude
- 1.Scotts
- 2.Milorganite
- 3.GreenView
gemini
- 1.Sunniland
- 2.Milorganite
- 3.Scotts
- 4.Vigoro
perplexity
- 1.Scotts
- 2.Expert Gardener
- 3.Milorganite
- 4.Down to Earth
Key Insights
Key Takeaway
For a suburban DIY homeowner, AI routes overwhelmingly to Scotts and Milorganite first, with The Andersons the premium step-up. The trackable signal is Lesco: it surfaces only in Gemini (ranked #1 in Gemini's brand-comparison prompt for the second run running), though across all of Gemini's prompts its aggregate top pick is Milorganite. Lesco is the only brand any model elevates to a #1 slot in any prompt besides the Scotts-Milorganite-Andersons core. A brand outside that core is effectively invisible at purchase intent unless the buyer names it.
Top Brands Summary
Scotts and Milorganite remain the universal top two, both appearing across all four models, with Scotts the most-mentioned overall and the consensus #1 in the brand-ranking prompt for ChatGPT, Claude, and Perplexity-P1. Milorganite is the locked #2 and the universal safe-organic pick (named in every single response). The Andersons and Jonathan Green hold the premium tier. The headline this week: Gemini again ranked Lesco #1 in its brand-comparison prompt, and Perplexity ranked The Andersons #1 in its - so Scotts did not hold a unanimous #1 this run. Lesco remains Gemini-only; Yard Mastery, GreenView, Sunday, Expert Gardener appear in a single model each.
See the full Lawn Fertilizer benchmark
Cross-model rankings, trend data, and competitive landscape.
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