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Winter pruning is the most consequential twenty minutes your roses get all year, and the least complicated. The whole job is deciding what stays. Everything else is just a clean cut. When to prune in New Zealand While the plant is dormant: June through August, later the colder your region. Auckland and the winterless north can start once the leaves drop. Frost-prone areas should wait until late July or August, because pruning wakes the plant up, and new growth into a hard frost is a rookie's heartbreak. The five cuts, in order Dead wood first, back to clean cream-coloured pith. Then diseased or damaged wood. Then anything crossing or rubbing, because wounds invite trouble. Then the weak, spindly growth thinner than a pencil. Finally, the height: reduce what remains by a third to a half, cutting five millimetres above an outward-facing bud, angled at 45 degrees sloping away from it. The bud you choose is the direction the plant grows. You are not trimming a rose, you are steering one. The shape you want An open vase. Air through the centre is your cheapest fungicide. If two stems argue, keep the younger, greener one. Bush, climber, standard The five cuts above are for bush roses. Climbers keep their long main canes; you prune the side shoots off those canes back to two or three buds. Standards are a bush rose on a stick: same rules, tighter shape, and mind the graft. If you only remember one thing, flowers come on new wood, so old tired wood pays no rent. The tools that matter Bypass secateurs, not anvil. Anvils crush the stem, bypass blades slice it, and a sliced cut heals before disease finds it. Sharp matters more than expensive, though the Okatsune 180 and the Niwaki GR Pro are sharp and stay that way. Anything thicker than a thumb wants a pruning saw, and every cut that size deserves a brush of Organic Prune 'n' Paste. Your forearms want pruning sleeves and rose gloves, because roses defend themselves and always have. Afterwards Rake up every leaf and clipping from around the base, since black spot overwinters in fallen litter, and bin them rather than composting. Wipe your blades with camellia oil. Then leave the plant alone until spring, when it repays the favour. Pruning is the half of the winter programme you can see. The other half, dormant sprays, feeding and the full care calendar, is in The Rise of the Rose: from prickly outcast to A-list celebrity. Yes, Beckham is a rose now. It is a whole thing. Buy once, buy well.
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