Olier is a demonstration of what AI can be.
Not AI that replaces you.
Not AI that distracts you.
Not AI that extracts from you.
AI that partners with you.
We built an engine that draws on decades of ecological data — so you can pick a handful of plants and ask: will these flourish together in your garden as a thriving, resilient, diverse community?
You take it into your garden and do the work we can't do —
Olier, your gardening companion
Plant Encyclopedia
Traits, ecology, care needs, and photography — all in one place.
Suitability & Care
Will this plant thrive in your climate, soil, and light? Olier checks for you.
Guild Scoring
How well do your plants work together? Olier scores and explains the fit.
ChatGPT Olier App COMING SOON
Conversational access to all three engines. Ask Olier anything about plants, guilds, and growing conditions.
Our Gardening Principles
Diversity empowers life and abundance
Healthier plants, fewer pests, more pollinators — these aren't separate goals. They come from planting things that are genuinely different from each other. Tall and low. Deep-rooted and shallow. Plants from entirely different families. The more different they are — in shape, in structure, in families — the more varied fungi, predators, and pollinators they support between them. Olier helps you to build a diverse garden that isn't just richer and more beautiful. It starts working for itself.
Plant for where you are
We match species to the conditions they've actually been observed growing in — the climate, the soil, the light levels they thrive in naturally. Your garden works with nature's track record, not against it.
Cultivate invisible helpers
Supporting every garden is an invisible workforce — fungi that thread between roots, attack disease, and fight off pests, alongside bacteria fixing nitrogen from thin air. Olier helps you attract these allies through plant selection — and where needed, introduce them directly. A living defence that replaces the pesticides and fungicides which destroy the very helpers your garden depends on.
Grounded in Real Science
Not just what you should plant — but why.
We stand on the shoulders of ecologists and botanists: their theories on how plants compete, their curated databases, and their rigorous metrics. These power our scoring.
The Technology
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Why are our core services free?
Because we believe every gardener deserves access to science-backed planting guidance — not just those who can afford premium tools. We built Olier's AI engine in Rust for speed and efficiency, so we could offer the Guild Builder and plant encyclopedia to everyone.
But free doesn't mean finished. Your support funds new features, expanded plant data, and the research that makes Olier better for the whole community. Some pages include affiliate links to trusted nurseries and suppliers — if you purchase through them, we earn a small commission at no extra cost to you.
People
✦From research to Olier
Olier is shaped by ecology, plant pathology, soil microbiology, AI engineering, and product operations. Meet the people whose work turns scientific knowledge into a usable gardening tool.