What travel actually does to leaf
Four things, and none of them is the one people worry about. Mechanical damage is the largest: leaf shaken in a half-empty tin for a day breaks down into smaller pieces, and particle size is one of the strongest brewing variables there is, so a whole-leaf tea can arrive brewing like a broken grade without looking obviously different. Temperature swing is second, since a bag left in a car, on a runway or in a delivery van can sit far above room temperature for hours, and warmth accelerates everything. Pressure change is third and is mostly harmless: a sealed pouch will inflate in an aircraft hold and generally survive, though a pouch already stressed at a crease can fail. And humidity change is fourth, because a tea that travels between climates arrives somewhere that will pull it towards a new equilibrium. The chemical risk from a few days of travel is small compared with any of these. That reordering is useful because it changes the packing decision: the priority is to stop the leaf moving inside its container and to keep it out of heat, rather than to add another barrier to a tea that is already sealed.
Packing for a trip
TeaHQ's own reading of well-attested general knowledge, with no single source behind it.
Take small quantities in containers they fill, which addresses the mechanical problem directly, and prefer the original laminate pouch folded down and clipped over a decorative tin that is mostly air. Rigid protection matters for whole-leaf styles whose brewing depends on the leaf staying intact — a small tin inside soft clothing is a good arrangement and a pouch loose in a bag is a poor one. Compressed formats travel best of anything — durability is conventionally given as a large part of why the format exists, though TeaHQ has not sourced that motivation — and a small tuocha or a dragon ball is close to indestructible in transit. Keep tea out of a checked bag if the destination or the route is hot, and keep it away from anything strongly scented, since a suitcase is a small enclosure and toiletries are aggressive neighbours. For a session away from home the practical kit is a modest one: a portion of leaf in a sealed sachet, a vessel that brews and strains in one object, and nothing else, because the failure mode of travelling with tea is not spoilage but carrying an apparatus that never comes out of the bag.
Buying tea abroad and getting it home intact
The purchase is usually the easy part and the fortnight afterwards is not. Tea bought at the start of a trip spends the trip in a bag, in whatever temperatures the itinerary produces, and a fragile spring green tea handled that way can arrive home noticeably tired. Three habits address most of it. Buy fragile categories at the end rather than the beginning, and robust ones whenever. Ask the seller to seal the purchase rather than accepting an open paper bag, since many shops will vacuum or heat-seal on request and the difference over two weeks is large. And accept that compressed dark tea, roasted oolong and black tea are the categories that travel well, which is a reason to weight a holiday purchase towards them rather than a reason to avoid the others. There is a separate and entirely practical matter that travellers routinely overlook: countries have their own rules about bringing plant material and food across a border, and quantities that look modest can attract charges or questions. That is something to check against the destination’s own guidance before buying rather than after, and TeaHQ states no rule for any jurisdiction here because they differ and are revised.
Posting tea, and receiving it
A courier network is a sequence of unheated vans, warehouses and doorsteps, and a parcel spends most of its journey outside anyone’s control. For a robust tea this is unimportant. For a fragile one it argues for buying in the cooler half of the year where the choice exists, for preferring sellers who ship in sealed laminate rather than paper, and for reading the condition of a parcel on arrival as information about the seller: a tea that turns up in an unsealed bag has told you what that business assumes about storage. Where a speciality seller ships from refrigerated stock, the arrival procedure matters more than the packaging. Leave the sealed package at room temperature for several hours before opening it, resist inspecting it on arrival, and then store it conventionally. A package opened straight from a cold courier bag on a warm day has taken up water it will not lose again, and it is the one avoidable failure in an otherwise careful chain. The same applies in reverse to anyone posting tea to a friend: seal it, ship it early in the week so it does not sit in a depot over a weekend, and tell the recipient to let it warm before opening.
Moving house with a collection
A house move is the largest storage event most collections experience and it is almost always handled worst. The tea is packed early, sits in a container or a van at ambient temperature for days or weeks, is stacked under heavier boxes, and is unpacked last. Four decisions cover it. Pack tea late and unpack it early, treating it as one of the boxes that travels with the household rather than one of the ones that goes into storage. Keep cakes in their wrappers and tongs intact, since original packaging on dark tea is storage equipment rather than packaging. Do not stack anything heavy on compressed tea or on tins whose lids seal by friction, because a lid pushed out of true stops sealing and never announces it. And measure the new rooms before rebuilding the store, since the arrangement that worked in the old house was tuned to a climate that may no longer be there. Where a move involves professional storage for weeks or months, the honest advice is to keep the fragile categories out of it entirely — drink them, give them away or freeze portions — and to send only the categories that will not notice.
The office, the desk drawer and the other half-store
A great deal of tea is drunk somewhere other than where it is stored, and the working portion at a desk or in a staff kitchen is usually the worst-kept tea a person owns: a paper bag or a decanted handful, in a warm room, in a shared cupboard with coffee and somebody’s lunch, opened several times a day. Nothing about that is difficult to improve. Take a small sealed container holding a week or two rather than a large one holding a term. Keep it closed and out of a drawer that also holds anything scented. And accept that this is the right place for the robust half of the catalogue rather than for a fine spring green tea, which will be flat before it has been half drunk. The general principle is the one that governs the whole storage set: the store and the working stock are two different objects with two different jobs, and almost every domestic storage problem comes from asking one container to do both. A travel or office portion is simply that division applied to a longer distance.