Turnout is where your horse will spend most of his life at the yard, so view it on foot and in ordinary weather if you can manage it, not from the yard gate on a dry day. Walk the fence lines of the paddocks your horse would use: look for broken or sagging rails, patched wire, sharp fixings at horse height, and corners where a bullied horse could be trapped. Check the gateways, because that is where mud, crowding and arguments happen twice a day, and ask what the yard does when a gateway becomes a bog — hardcore down, a second gate in use, or horses simply kept in.
Hours, herds and how groups are managed
Ask the honest winter question: how many hours a day are horses out in the middle of winter, on this yard, in a wet week? Summer answers are easy; winter is the truth. Ask how herds are made up — mares and geldings apart or mixed, size of group, and how a new horse is introduced — and whether individual turnout is possible for a horse who is injured, elderly or repeatedly picked on. Ask who decides to keep horses in for weather, whether that decision is the same for every livery, and whether a horse who must stay in gets exercised, hand-grazed or simply left, because a yard's answer tells you how your horse's dull days will be handled.
Water, shelter, grass and poisonous plants
Look at what the field itself provides. Troughs should be clean enough that you would let your horse drink without thinking twice, and positioned so a timid horse can drink without crossing the whole herd. Check for shelter — a field shelter, a hedge line, trees — and for shade in summer, then look at the grass with a sceptical eye: overgrazed, sour paddocks with no rotation tell a different story from rested, topped fields. Ask about droppings removal, harrowing and resting, and walk the hedges for plants a horse should not eat. Ask whether hay is put out in the fields in winter, and if so how the feeding spots are moved around, because one fixed hay corner is poached to mud within weeks and becomes the place horses queue, bicker and stand fetlock-deep., asking how the yard deals with them when they appear. A yard that poo-picks and rests its land is protecting your horse's worm burden and grazing, not just its appearance.
From viewing impressions to a daily routine
Before you decide, turn what you saw into specific questions about your own horse: which herd, which paddock, out at what time, brought in by whom, and what changes when the weather closes in. If the answers suit him, agree the pattern in plain terms and write it down where the people doing the work can see it — turnout time, field companions, rug changes with the weather, and who brings him in when you cannot be there. Recording that routine in KinsLe's Care Teams lets turning out, bringing in and rug checks be assigned to named people for your horse and marked complete with a timestamp, so his field time is a kept promise rather than a rough intention.