How to Clean Garden Furniture

Garden furniture takes a beating. Rain, UV, bird mess, algae, the occasional spilled drink — it all adds up. The good news is that most outdoor furniture cleans up easily with the right approach, and regular maintenance will extend its life significantly.

This guide covers how to clean every type of garden furniture, answers the most common questions, and gives you the practical steps to get it done properly.

What Is the Best Way to Clean Outdoor Furniture?

The best way to clean outdoor furniture is with warm soapy water, a soft brush or cloth, and a little elbow grease — adjusted for your material.

No single method works for every type of garden furniture, but the principle is consistent: remove loose debris first, clean with a mild solution, rinse thoroughly, and leave to dry completely before covering or storing.

A few things to avoid across all materials:

• Bleach — it can corrode surfaces, fade colour, and damage rattan in particular
• Abrasive scourers or steel wool — these scratch finishes and remove protective coatings
• High-pressure washing on delicate materials — rattan, wicker, and softwoods can splinter or warp under too much pressure

As a rule, aim to clean your outdoor garden furniture at least twice a year — once at the start of spring to get it ready for use, and once at the end of summer before storing or covering it for winter.

How to Clean by Material

Rattan Garden Furniture

Rattan garden furniture is one of the easiest materials to clean. Synthetic rattan — the kind used in most modern outdoor sets — is water-resistant and doesn't require specialist products.

Wipe down with a damp cloth and warm soapy water. For dirt worked into the weave, use an old soft toothbrush to get into the gaps without damaging the fibres. Rinse with clean water and leave to air-dry fully before using or covering.

Avoid pressure washers on rattan — the high pressure can cause the weave to splinter or fray over time. A garden hose on a low setting is fine for a rinse-down.

Metal Garden Furniture

Metal garden furniture — whether aluminium, steel, or powder-coated iron — cleans up quickly with warm soapy water and a soft cloth. A toothbrush is useful for getting into joints or decorative detailing.

The main thing to watch for with metal is rust. Check frames and joints regularly, particularly after winter. Surface rust can be tackled with white distilled vinegar — apply it directly, leave it for 30 minutes, then scrub gently with a soft cloth and rinse thoroughly. For more stubborn rust, a wire brush or dedicated rust remover will do the job. Once treated, a coat of car paste wax adds a layer of water-resistant protection and helps prevent rust from returning.

If chipping or rust damage is extensive, repainting with a weather-resistant metal paint is the most effective long-term fix.

Wooden Garden Furniture

Covered in detail in the section below — but the short version is: warm soapy water, a soft bristle brush, and an annual treatment with oil or varnish to protect the wood from the elements.

Cushions and Upholstery

Remove cushion covers where possible and wash on a gentle machine cycle with a mild detergent. For fixed upholstery, scrub with diluted soapy water using a soft brush, wipe away excess moisture, and allow to dry fully — ideally outdoors on a dry day.

Never store cushions damp, and bring them in during heavy rain or long periods of bad weather. Moisture is the main cause of mould on outdoor cushions, and once mould takes hold, it's much harder to shift. If it does appear, a 50/50 mix of white vinegar and water applied directly and left for an hour before rinsing is an effective treatment.

What Is the Best Way to Clean Wooden Garden Furniture?

The best way to clean wooden garden furniture is to scrub it with hot soapy water and a soft-bristle brush, then rinse and allow it to dry fully before applying a protective treatment.

Here's the step-by-step:

Step 1: Remove loose debris Brush off any leaves, dirt, or surface grime before you start. A dry brush or cloth is fine for this.

Step 2: Scrub with warm soapy water Use a bucket of hot water with a few drops of washing-up liquid. Work with a soft bristle brush in the direction of the grain. Avoid harsh chemicals — they can strip the wood's natural oils and cause discolouration.

Step 3: Tackle stubborn stains For green algae or stubborn marks, a small amount of diluted bleach in lukewarm water can be used — but test on a hidden area first and rinse thoroughly afterwards.

Step 4: Rinse and dry Rinse with clean water, either from a bucket or a garden hose on a low setting. Hardwood furniture like teak or acacia can handle a gentle pressure wash, but keep the pressure low. Allow the furniture to dry fully — at least 24 hours in good weather — before applying any treatment.

Step 5: Apply a protective finish This is the step that makes the real difference. Once clean and dry, treat the wood with an appropriate finish to protect it from moisture, UV, and weathering:

• Teak oil — ideal for hardwoods like teak and acacia; feeds the wood and helps retain its natural colour
• Exterior wood varnish — locks in colour and creates a durable surface coating
• Exterior wood stain — adds colour and protection; can last several years
• Exterior wood oil — nourishes dried-out or cracked wood; apply annually

One coat per year is usually sufficient for furniture that's been maintained well. If the wood has been neglected, it may need two or three coats to restore the finish.

How to Bring Wooden Garden Furniture Back to Life

To bring wooden garden furniture back to life, clean it thoroughly, sand back any weathered or flaking areas, fill any cracks, and apply a restorative oil or treatment to nourish the wood and protect it going forward.

If your wooden garden furniture has been left untreated for a season or two, it may have turned a silvery-grey colour, developed surface cracks, or accumulated layers of grime. That doesn't mean it's beyond saving.

Follow these steps:

1. Deep clean: Start with a thorough scrub using warm soapy water and a stiff brush to remove built-up dirt, algae, and any old product residue. For badly weathered wood, a dedicated wood cleaner or sugar soap solution will get further into the grain.

2. Sand it back: Once dry, sand the surface with medium-grade sandpaper (around 120 grit) to remove any loose or flaking paint, rough patches, or surface grey. Work with the grain. This step opens the wood up and helps whatever treatment you apply next penetrate properly.

3. Fill any cracks: Use an exterior wood filler for splits or deeper cracks. Apply, allow to harden, then sand smooth. Don't skip this — the filler prevents moisture from getting in and causing further damage.

4. Apply a restoring treatment: For weathered hardwood, a teak restoration kit or a dedicated wood restorer will bring back colour and life to the grain. Apply according to the manufacturer's instructions — typically two or three coats with light sanding between each. Follow up with a protective oil or varnish once the restorer has dried.

5. Maintain it annually: Restored wood needs consistent care to stay looking good. A clean and oil or treatment once a year — ideally at the start of the season — is all it takes to keep wooden garden furniture in excellent condition long-term.

Keep It Protected Year-Round

Cleaning is half the job. Protection is the other half. A good set of garden furniture covers is one of the most practical investments you can make — covering furniture during prolonged bad weather or over winter significantly reduces the cleaning and restoration work needed come spring.

Store cushions separately in a dry place when not in use, and if possible, bring furniture indoors during the coldest months to protect it from frost and excess moisture.

Looking for New Garden Furniture?

If your current set is past saving, it might be time for a fresh start. Browse the full Swyft outdoor garden furniture range — from rattan garden furniture and metal garden furniture to solid wooden garden furniture and complete garden dining sets. All designed to live outside, built to last.

Also worth reading: How to Paint Garden Furniture | 7 Spring Garden Furniture Ideas for Outdoor Living | The Best Garden Furniture for Small Gardens