Part 2 · Where These Ideas Come From
Pliny, Theophrastus and the First Natural History
Theophrastus founded botany and wrote down grafting and manure rankings. Pliny compiled the first encyclopedia. Observe-and-record is 2,300 years old.
"Observe and record" is the first instruction of every permaculture design course, presented as a method modern designers invented. Two Greeks and one Roman had already built whole books out of it: Theophrastus by testing how plants grow and propagate, and Pliny the Elder by collecting what everyone before him had written. Between them they laid down botany, grafting and the first encyclopedia of the natural world.
Theophrastus: botany starts as a science
Theophrastus, who ran the Lyceum after Aristotle and wrote about 300 BCE, produced the Enquiry into Plants, nine books on plant form, growth, propagation, disease and timber. He is the founder of botany, and his method is observation followed by classification. He does not merely list plants. He groups them, asks why some grow from seed and some from cuttings and some from an exudation, and records what he cannot yet explain.
On propagation he names the technique that every fruit grower still uses, and he names its limits.
That is grafting understood as the joining of two living things, a manure table ranked by how hot each kind is, and one plant singled out for doing without dung at all.
Theophrastus on propagation and the seed
Theophrastus is also specific about how plants are raised. He describes burying a reed cutting "in dung and soil" to bring it on, and, in the later books, how a seed can be started by rolling it, soaking it and setting it in prepared ground. The detail that matters is not the recipe. It is that a writer in 300 BCE was testing, in a garden, what makes a cutting strike.
Pliny: the encyclopedia as a farming manual
Pliny the Elder, writing about 77 CE, produced the Natural History, thirty-seven books meant to hold everything then known. Books 12 to 19 cover trees, vines, grain and gardens, and Book 17 is where the farm advice sits. Pliny is a compiler rather than a tester: he quotes Cato, Varro and Columella by name, which is exactly what makes him useful as a source for what the Romans actually practised.
On manure he records both the practice and its age.
Sieve the manure, age it until it smells sweet, keep the olive on mild dressings, and turn the lupine under before it pods: a working soil plan, compiled in the first century.
Grafting: the ancient art of joining two trees
Pliny also gives grafting the status of a mature craft, not a novelty. He says this branch of life "has long since been brought to the very highest pitch of perfection", reports the combinations Virgil tried, and records a rule of incompatibility: some joins are not permitted, and grafting upon the thorn was thought to invite lightning. He is reporting a technique so established that its boundaries were part of common knowledge.
Exercise
Start a naturalist's page for one plant
Pick one plant on your ground. Record its leaf shape, its stem, when it buds, when it flowers, what eats it and how it propagates. Add one line each following week for a season. You are doing what Theophrastus did, and the page will tell you more about the plant than any label.
Exercise
Make one graft the ancient way
Take a scion and a rootstock of the same genus, apple on apple or pear on pear, and join them by the whip method, matching the green cambium on at least one side, then seal the join with mud or grafting wax and tie it. Label the date. Theophrastus called grafting a joining of two trees; you will understand that sentence once you have kept one alive.
Fieldwork
Date the oldest tree you can reach
Find the oldest planted tree within walking distance, an orchard tree, a boundary oak, a churchyard yew, and measure its girth at chest height with a tape. Photograph the bark and the whole tree in one frame, then find a cut stump of the same species nearby and count the rings, photographing them against a ruler so the count is visible. Write down the girth in centimetres, the ring count and the species. Bring back the two numbers and both photographs.
Failure mode
Grafting fails if the two plants cannot fuse. The cambium, the live layer under the bark, has to meet on at least one side, or the scion starves. Pliny records an old belief that grafting upon the thorn was forbidden, and the practical truth underneath it holds: join like to like, within the same species, or the union will not take. Seal the cut with mud, "for that will keep out the wet", as the Geoponica puts it, or the join dries and the scion dies.