Plucking
Plucking is where processing starts and the only step whose decisions cannot be walked back later. Which shoot is taken, at what maturity and in which season fixes the chemistry every later step has to work with. It is also the moment the leaf is cut off from the plant, which starts the clock on everything that follows.
What it is
Taking the shoot off the bush. The familiar picture is a bud and the two leaves under it, but that is a habit rather than a rule. Lu An Gua Pian is picked as leaves only, with the bud deliberately left on the stem. Tai Ping Hou Kui takes mature leaves. Black wulong is picked at three leaves and a bud, and green wulong waits until the final bud has opened before taking it with the three leaves below. A high-grade yellow tea can be the bud alone, taken before it turns downy. Fine tea is picked by hand as much to avoid crushing the leaf as to select it, because a leaf bruised in the basket has already begun oxidising before it reaches the factory.
What it does to the leaf
It cuts the supply line. Water and nutrients stop arriving from the roots, many of the leaf's own processes stop with them and it starts losing water immediately, which means withering begins whether anyone intends it or not. Repeated plucking acts on the plant rather than the leaf: it keeps the bush from flowering and a flowering tea plant redirects its energy so that its leaves go tough and brittle. Pluck too hard and the same bush is damaged or killed, so the picking interval is a negotiation between the crop and the plant rather than a schedule.
How it's done
By hand or by machine. Hand plucking is slow and selective and it is what fine tea is made of. Machine harvesting is not automatically the cheap option: Japan runs a two-person cutter fitted with scissors and an air compressor that blows the leaf into a bag and follows the shape of the hedge, with a faster single-operator harvester on the flat gardens. Most estates also table their bushes, pruning them to about shoulder height so the picking surface is flat and even. Tea from untrimmed wild trees costs more partly because that surface does not exist and every shoot has to be found.
What it tastes like
Season reaches the cup more reliably than any other plucking variable. Spring leaf is the most prized and summer leaf from the same bush is marked down, because the rain gives it less aroma and more astringency. A bud-heavy pluck brings more of the aromatic compounds that make a tea read as fine and heavy sun exposure before the pluck raises caffeine. That is why one garden's first pick and its fourth can taste like two different teas with the same name on the bag.
What people get wrong
Treating two leaves and a bud as a quality grade. It is one recipe among several and a number of famous teas are picked to a different one on purpose, so a tea picked at three leaves is a different tea rather than a worse one. The second mistake is reading machine-picked as low grade by definition. The machine's limitation is that it cannot select, not that it is a machine and on an even hedge with a uniform flush that limitation costs less than it sounds.
Styles where this step is distinctive
Sources
- picking standards vary by tea: usually a bud plus one or two leaves, but Lu An Gua Pian takes leaves with the bud left on the stem, Tai Ping Hou Kui takes mature leaves, black wulong is picked at three leaves and a bud, and high-grade yellow tea takes only the bud before it becomes downy Gascoyne et al., Tea: History, Terroirs, Varieties (2014), 'The Processing of Chinese Teas' and 'Processing Green Wulong Teas'
- a plucked leaf is cut off from water and nutrients and many of its chemical processes stop; high-quality tea is picked by hand partly to avoid crushing the leaf, and sun exposure raises caffeine Francl, Steeped: The Chemistry of Tea (2024), ch. 2
- continuous plucking stops the bush flowering, which would send its energy away from the leaves and leave them tough and brittle; plucking too aggressively can damage or kill the plant, and most gardens table their bushes at about shoulder height Uhl, The Art and Craft of Tea (2016), 'Processing'
- spring tea is considered the best and summer tea inferior, because rainy days give it less aroma and more astringency; puerh is often picked with two or three extra leaves Zhang, Puer Tea: Ancient Caravans and Urban Chic (2014), appendix 1
- Japanese picking uses a two-person machine fitted with scissors and an air compressor that follows the shape of the hedge, and a single-operator harvester on the plains Gascoyne et al., Tea: History, Terroirs, Varieties (2014), 'Processing Japanese Green Teas'