Cleaning pruning shears removes sap, dirt, and plant residue, while rust removal can restore a smoother-moving blade and help prevent further corrosion. Work with the shears closed when possible, protect your hands from the cutting edge, and check the tool’s construction before choosing a cleaning method.
Regular cleaning matters because sticky residue can make blades drag, and dirty tools can transfer plant material between cuts. Light surface rust is often removable at home; deep pitting, a damaged blade, or a loose joint may call for repair or replacement rather than more scrubbing.
What You’ll Need
- Work gloves and eye protection, especially if the shears are rusty or spring-loaded.
- A stiff nylon brush or an old toothbrush, plus a cloth or paper towels.
- Warm water and dish soap for washing, used sparingly to avoid soaking the tool.
- A rust-removal option: fine steel wool or a rust eraser for light rust, or white vinegar for stubborn rust on suitable, removable metal parts.
- A small amount of tool oil or another lubricant suitable for garden tools.
- A screwdriver or wrench only if the manufacturer’s instructions allow disassembly and you can reassemble the shears correctly.
Do not assume every part can be soaked. Some pruning shears have coatings, wood handles, springs, or fasteners that can be harmed by prolonged moisture or acidic cleaners. If the tool has care instructions, follow them first.
Step-by-Step
- Set up a safe work area. Choose a stable, well-lit surface and keep the blade pointed away from you. Put on gloves and eye protection. If the shears have a locking catch, engage it while you handle the tool. Release it only when you are ready to inspect or clean the blades, keeping fingers clear of the cutting edge and spring.
- Inspect the shears before cleaning. Look for a cracked handle, a badly bent blade, a missing fastener, deep rust pits, or a joint that shifts sideways. Check whether the blades are meant to come apart. If the tool is damaged or you are unsure how to take it apart, do not force it; clean the accessible surfaces and seek repair guidance or replace it if it cannot be made safe.
- Brush off loose dirt and plant debris. With the shears closed or securely controlled, use a dry brush to remove soil, leaves, and loose rust. Brush away from your body and avoid running a finger along either edge. Removing grit first helps prevent scratching the blade during later cleaning.
- Remove sap and sticky residue. Wipe the blades with a cloth dampened with warm, soapy water. Use the brush around the pivot and other crevices. For stubborn sap, hold the damp cloth against the residue briefly, then rub gently. A small amount of rubbing alcohol on a cloth can help dissolve some sticky residue, but keep it away from flames and check that it will not affect the tool’s finish or handle material. Do not pour liquid into the joint.
- Wash briefly, then dry thoroughly. Wipe away soap and loosened grime with a clean, damp cloth. Avoid leaving the whole tool submerged. Dry the blades, pivot, spring, and exposed fasteners carefully with a towel. Open and close the shears cautiously so you can reach accessible surfaces, then dry them again. Moisture left in the joint can encourage new rust.
- Choose a rust-removal method that fits the tool. For a small patch of surface rust, rub gently with a rust eraser or fine steel wool, following the direction of the blade rather than scrubbing across the edge. Keep abrasive material away from a sharp cutting bevel, and stop as soon as the rust is gone. If rust remains and the affected metal part can safely be removed, a brief vinegar soak may loosen it. Do not soak the assembled shears or parts with wood, coatings, springs, or other materials that may be damaged.
- Scrub and wipe away loosened rust. After treating a removable part, use a brush or cloth to lift away residue. If using vinegar, do not leave the part soaking longer than needed; inspect it regularly. Rinse the treated metal with clean water, then dry it immediately and completely. If the metal darkens or the finish begins to change, stop and rinse it.
- Check the blade and pivot. Look for remaining orange deposits, rough pits, or a blade edge that has lost its shape. Light discoloration can remain even after loose rust is removed. Do not try to grind out deep pits with aggressive abrasion, since this can alter the blade and its cutting angle. Confirm that the blades meet properly and that the pivot is not loose.
- Lubricate moving parts and exposed metal. Apply a small amount of suitable tool oil to the pivot and a thin film to bare metal surfaces. Work the joint gently to spread the lubricant, then wipe away excess so it does not collect dirt or transfer heavily to plants. Avoid oiling a handle grip if it could become slippery.
- Test the shears safely and store them dry. With the cutting edge pointed away from you, open and close the tool slowly. It should move smoothly without grinding, wobbling, or catching. Wipe off any residue, engage the lock, and store the shears in a dry place. If they still bind or the blade does not cut cleanly, stop using them until the cause is addressed.
Common Mistakes
- Leaving the shears wet. A quick wash can still leave moisture around the pivot. Dry all accessible surfaces promptly, especially after using water or vinegar.
- Soaking the assembled tool. Liquid can reach the spring, joint, handles, or coatings. Treat only compatible, removable metal parts, and avoid prolonged soaking.
- Scrubbing across the cutting edge. Abrasives used carelessly can blunt or nick the blade. Work gently along the blade surface and avoid the sharpened bevel.
- Using a harsh or unsuitable cleaner. Strong chemicals may damage finishes or handles and can leave residue. Start with soap and water for grime, and use a rust treatment only where suitable.
- Forcing a stuck pivot or fastener. Excess force can bend parts, strip a fastener, or cause the blades to move unexpectedly. Use the correct tool only when disassembly is permitted.
- Applying too much oil. Excess lubricant attracts dust and can make handles or blades messy. Use a thin film and wipe off what remains on the surface.
Tips
Clean the shears after use when sap or damp plant debris is visible, rather than waiting for residue to harden. A dry brush and cloth may be enough for ordinary dirt; save washing for grime that does not come away easily. Dry and oil the tool whenever it has been exposed to water.
For routine care, separate cleaning from sharpening. Cleaning removes contamination and surface rust; sharpening restores a cutting edge. If the blade is dull but not damaged, use a sharpening method suitable for that blade and maintain its existing bevel. If you are unfamiliar with sharpening, a repair service can help avoid changing the edge angle.
Keep a small cleaning kit with a brush, cloth, and tool oil where you store garden tools. Store shears closed and locked, with the blades protected from damp soil, rain, and condensation. A dry storage spot helps prevent rust from returning.
Troubleshooting
The rust will not come off: First decide whether it is loose surface rust or deep pitting. Try gentle abrasion on a small area. If the rust is stubborn, remove the affected metal part only if the tool’s design and instructions allow it, then use a compatible treatment. Deep pits may remain even after cleaning; do not keep grinding until the blade is misshapen.
The blades still feel sticky: Residue may remain near the pivot or on the inside blade faces. Brush and wipe those areas again, then dry them fully. If the stickiness returns after oiling, remove excess oil and apply only a light film.
The shears bind or do not close smoothly: Check for debris caught at the pivot, a loose fastener, bent parts, or a spring that is out of place. Clean accessible areas and apply a little lubricant. Do not force the blades closed. If the tool remains stiff or the parts are misaligned, stop and arrange repair or replacement.
The cutting edges no longer meet cleanly: Rust removal will not correct a bent blade or a badly worn edge. Avoid cutting with a tool that crushes stems or slips. Consult the tool’s maintenance instructions or a qualified repair service.
Rust returns soon after cleaning: Moisture may be trapped in the joint, or the shears may be stored in a damp location. Dry the pivot more carefully, use a light protective oil film, and move the tool to dry storage. If corrosion keeps returning despite proper care, inspect for damaged plating or persistent exposure to moisture.
Frequently Asked Questions
Can I use vinegar to remove rust from pruning shears?
Yes, on compatible removable metal parts, but avoid soaking the assembled tool. Vinegar is acidic and may affect coatings or other materials. Rinse treated metal and dry it immediately.
Can I use steel wool on pruning shears?
Fine steel wool can remove light surface rust, but use gentle strokes and keep it away from the sharpened bevel. A rust eraser or nylon brush may be a less aggressive choice for delicate finishes.
Should I oil pruning shears after cleaning?
Yes. A small amount of suitable tool oil on the pivot and exposed bare metal helps the joint move and protects the surface. Wipe away excess to limit dirt buildup.
Can I wash pruning shears in a dishwasher?
No. A dishwasher exposes the tool to prolonged water and detergent, which can promote rust and damage handles, springs, or finishes. Clean by hand and dry the shears promptly.
How often should I clean pruning shears?
Clean them after use when sap, soil, or damp plant residue is present, and inspect them before storing. The right frequency depends on how often they are used and the conditions in which they work.
When should I replace pruning shears instead of cleaning them?
Consider replacement or professional repair if the blade is cracked or badly bent, the pivot cannot be secured, deep corrosion has weakened the metal, or the tool remains unsafe or unreliable after cleaning.