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About

A research project about why home food crops fail.

Off Grid Diet reads what growers actually report, maps the patterns, and publishes what the evidence supports.

The detection window

A failing crop is measurable about three weeks before it looks like anything is wrong.

Day 0

Soil, moisture and timing have already decided the outcome

Day 19

The grower sees the first symptom and starts guessing

Timeline: the conditions that cause a crop to fail are measurable from day zero, before symptoms appear. The grower typically notices the first visible symptom around day nineteen. The roughly nineteen days between are what this research is about.

01

It started with a pattern, not a theory

One gardener wrote about failing to grow carrots five years in a row — changing the soil, the spacing, and the timing every season, and never learning why it kept failing. The post drew 2,586 upvotes and a flood of growers describing the exact same multi-year mystery. That's not one person's bad luck. It's a documented, repeated problem, and it's what this project set out to understand.

02

Eight failure modes, mapped from real threads

We read gardening communities rather than running a survey — r/homesteading, r/vegetablegardening, r/urbanfarming and related threads — and grouped what people actually described into eight recurring failure modes: harvest timing, overnight pest damage, cost versus yield, soil confusion, small-space constraints, food-security anxiety, the multi-year failure loop, and the beginner knowledge gap.

03

The gap is prevention, not identification

Most published gardening advice is good at one thing: naming a problem once it's visible. But by the time a leaf yellows or a root forks, the conditions that caused it were set weeks earlier. The interesting question — the one this project keeps returning to — is what was already measurable before anything looked wrong.

04

How we publish

Findings are written up with their sources attached, and we separate cited guidance from community signal from things we genuinely don't know. Where we prioritise sources, it's public Extension programmes and government agencies. If a claim isn't supported, we say so rather than rounding it up. Everything goes out free, one read a week.