Seasonal Willow Cutting and Coppicing Calendar

Willow is one of the most generous plants you can grow in a British garden, but it rewards rhythm rather than random attention. Get the timing right and a modest patch of stools will give you armfuls of rods for baskets, hurdles, plant supports and living structures for decades. Get it wrong and you will spend years coaxing weak, straggly growth. This calendar sets out how to plan a willow patch through the year so that cutting, planting and checking all fall in the right season.

Why Timing Matters More Than Technique

A clean cut with sharp tools matters, but when you cut matters more. Willow moves its energy reserves down into the roots in autumn and back up into the stems in spring. Cutting while the sap is low, between leaf fall and bud burst, removes rods without starving the stool. Cutting in late spring or summer takes away the leaves the plant needs to build next year's growth, and it leaves open wounds at the worst possible moment. Everything below rests on that single principle: dormant cut, dormant plant.

December to February: The Coppicing Window

This is the heart of the willow year. Once the leaves have dropped and the wood has hardened, you can cut with confidence. Aim to finish before the buds begin to swell, which in most of the UK means late February at the latest and often earlier in mild coastal areas.

• Cut on a dry, frost-free day. Frozen wood splinters and shatters, leaving ragged wounds that heal poorly.
• Use the right tool. Bypass secateurs for rods up to finger thickness, loppers or a pruning saw for older stems. Blunt blades crush bark and invite disease.
• Cut close to the stool, roughly 5–15cm above the previous cut, with a slight angle so rain runs off the wound.
• Never cut below the old cut line. Work around the stool in order, leaving a tidy, slightly domed surface that will throw strong new shoots.
• Cut a proportion, not the lot. Leaving a third of your stools standing each winter gives birds and insects somewhere to shelter and spreads your workload.

Late February to Early April: Planting and Establishing

Willow is arguably the easiest woody plant in Britain to propagate. Take hardwood cuttings from healthy one- or two-year-old rods and they will root where you push them, provided the ground is not frozen or waterlogged.

• Prepare cuttings 20–30cm long, cutting just below a bud at the base and just above a bud at the top so you can tell which way is up.
• Push two-thirds of each cutting into weed-free soil. Space them 30–45cm apart within a row, with 45–60cm between rows if you want to walk and cut easily.
• Choose a sunny spot with moist soil. Most willows tolerate wet ground, but all of them dislike drying out in their first summer.
• Mulch generously with well-rotted compost and keep grass and weeds clear for the first two seasons.
• Leave new plants uncut for their first year, letting them build a strong root system before you ask them for rods.

May to July: Growth Checks and Summer Care

Summer is for watching, not cutting. Walk your patch every week or two and deal with problems while they are small.

• Water young plants in any dry spell during their first two summers, particularly on sandy or free-draining ground.
• Check soft tips for aphids. A strong jet of water usually does the job, and ladybirds and hoverflies soon arrive to finish it.
• Watch for willow rust, which shows as orange-brown pustules on the leaves. Pick off affected leaves, bin them rather than composting, and improve airflow around the stools.
• Inspect stakes, ties and woven fences after windy weather, and loosen any tie that is starting to bite into bark.
• Keep strimmers away from the base. Bark damage is the most common way to lose a young willow.

Resist the temptation to tidy up with the shears. Light trimming of soft side shoots on a living structure is fine, but heavy summer pruning weakens the plant and reduces next winter's harvest.

August to November: Harvest, Drying and Storage

Rods are ready once the leaves yellow and begin to fall, though many growers leave cutting until midwinter for the toughest, most flexible wood. Cut the longest rods first, working from the outside of the stool inwards, and sort as you go.

Bundle rods by length and variety, tie each bundle firmly with twine, and stand them upright in a cool, airy, frost-free shed or garage. Stored upright, they dry straighter, which makes weaving far easier. Soak bundles in a water butt or trough for a few days before you use them, and keep them out of direct sun so the colours stay bright.

Building a Simple Rotation

The most productive willow patches are managed on a rotation rather than all cut at once. For fine basketry rods, cut annually. For hurdles, plant supports and garden structures, leave the rods two or three years to thicken. Divide your stools into three groups and cut one group each winter: you will always have rods of different ages, something left standing for wildlife, and no single season of overwhelming work.

Feed the patch each spring with a mulch of compost or well-rotted manure, plus a sprinkle of wood ash if you have a fire. Within two or three years you will know your own stools well enough to tweak the calendar to suit your soil, your shelter and the things you actually want to make.