Pruning technique: Cut above the bud - how it works

TL;DR

In "cut above the bud," you always cut just above a bud (eye) so that new shoots grow in that direction. This controls your plant's shape. Always cut at a slant (45 degrees), roughly 5-7 mm above the bud. Ensure your slant runs from lower-outside to upper-inside.

How does a plant regrow after cutting?

When you cut off a twig, the plant does not simply grow back randomly. Instead, buds (eyes) just below the cut are activated. Those buds become new shoots. The direction they grow depends entirely on where you cut.

This is what "cut above the bud" means. You decide where the plant grows by choosing where to cut. Want a branch to grow leftward? Cut above a bud pointing left. The new shoot grows in that direction.

Why cut at 45 degrees?

The angle of your cut is crucial. A slant cut (about 45 degrees) has three advantages.

First, the wound heals faster. A slanted surface is smaller than a straight cut across the same thickness. Smaller surface means less room for disease to enter.

Second, rainwater runs off. A straight cut on top of a twig collects water like a dish. A slanted cut stands like a roof and sheds water.

Third, it looks professional. Straight cuts look amateurish and draw unnecessary attention.

The angle must run from lower-outside to upper-inside. This means the lowest point of your cut sits outside the bud, and the highest point is on the inside of the bud. This way water runs away from the bud, not into it.

Distance from the bud: 5-7 millimetres

Cutting too close above the bud damages it. Leaving too much twig above creates a stub. This stub dies and attracts disease.

The ideal distance is 5-7 millimetres. That is roughly the width of a fingernail. This gives enough room so the bud is not damaged, but not so much that a dead twig remains.

In practice: position your secateurs so the blade sits just above the bud. Check that at least 5 mm clearance exists between bud and cut.

How do you recognise a bud?

Buds are small, often slightly shiny shapes on the twig. They do not sit directly above each other, but alternate left-right (opposite) or spiral around the twig.

Some buds point outward (to the side), others upward (toward the twig tip). Outward-pointing buds are usually better - they steer growth outward and create an open plant form.

On roses, apples, and many shrubs, you see buds on young twigs already. On winter-dormant plants, they are easier to see in spring. On last year's twigs, they are larger and clearer.

Where do you cut above?

Always cut above a bud. This is the fundamental rule. Never cut between buds. Never cut halfway along a stem segment between buds.

If you cut between buds:

• The twig above your cut dies
• The dead section attracts fungi and disease
• This infection grows downward through the whole twig
• You may lose the entire branch

So: find your bud first, then your cut point.

Outward-pointing vs inward-pointing bud?

Outward-pointing buds are usually preferred. When you cut above an outward bud, the new shoot grows outward. This creates an open plant form with good air and light circulation.

Inward buds you remove only if the plant becomes otherwise too dense. Or in specific situations - for example, if you want a plant to grow along a wall and a bud points inward, that can be useful.

On apples, pears, and many fruit trees, open form with plenty of light and air is essential for health and cropping. So on those trees: always cut above outward buds.

Practical step-by-step

Step 1: Choose your cut point

Walk along the twig from bottom to top. Find the bud where you want to cut. This is usually an outward-pointing bud roughly 30-50 cm from the tip (depending on the plant). Check that this is not a diseased bud (black, shrivelled).

Step 2: Position your shears

Set your secateurs so the blade sits exactly 5-7 mm above the bud. Ensure your shears make approximately a 45-degree angle with the twig.

Step 3: Make the cut

Sharp secateurs cut through a twig like butter. You must not saw. If you scrape, your shears' teeth catch or you are cutting against the grain. Ensure your shears are very sharp.

Step 4: Inspect the result

Your cut must not be ragged or have torn fibres. If the shears tear, they are too dull. Use this moment to sharpen or replace your shears.

Frequently asked questions

Does it matter which way the bud points?

Yes, this is one of the most important pruning choices. Outward buds create open plants. Inward buds create dense plants. In most situations you want open plants for air and light.

Can I cut above two or three buds?

No. This does not work. Buds below your cut do not activate. Only the very first bud above your cut grows.

What if I cut at an angle in the wrong direction?

Then water runs away from the bud the wrong way. This does not immediately damage the bud, but it is not ideal. The bud usually recovers anyway.

How sharp must my secateurs be?

Very sharp. You must cut paper in half without sawing. Dull shears tear wood and damage cells. This attracts disease.

Does the season matter for this technique?

No, the technique works the same way always. But the timing of pruning (March, July, autumn) depends on the plant and your goal. The technique itself remains the same.

Other pruning techniques

Cutting above the bud is the foundation of all pruning. After that you encounter other techniques like "45-degree angled cut," "clean cut versus stub," and "the 3-cut method for heavy branches." These are all variations or extensions of the same underlying principles.

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