Caring for Outdoor Cushions Through Every Season

Last summer a customer sent us a photo: two bench cushions, once deep ochre, now the colour of weak tea on one side and unchanged on the other. Three months face-up on a sunny terrace, never rotated, never properly dried. The fabric was a solution-dyed acrylic built to outlast a decade. The fade wasn't its fault — it was the rhythm around it.

Outdoor cushions don't ask for much, just a rhythm: a few minutes every few weeks, a proper send-off before winter, a clean welcome in spring. Once it's habit, they quietly outlive the furniture they sit on.

Spring: Unpack, Inspect, Let Them Breathe

When the first warm weekend arrives, don't drop cushions straight onto the furniture. Unzip the bags and run a hand over every seam — musty notes, pinhole stains missed in autumn, any sign a moth found your shed.

Stand each cushion on edge in indirect sunlight for a full afternoon. Six to eight hours of airflow resets stored fabric better than any product. If one still smells closed-in, mist equal-parts white vinegar and water, then another hour in the sun.

Only once they're genuinely dry and odour-free do they earn their spot. Soft brush, damp microfibre cloth, done.

Summer: Weekly Rinse, Stain Triage, The Rotation Rule

Summer is the easy season — and the one where small neglect compounds fastest. A dusty cushion plus an evening shower plus a humid morning is all mildew needs.

Three habits, weekly:

1. Rinse and shake. A gentle hose-down on a dry morning, then stand on edge to drip. 2. Stain triage within the hour. Wine, sunscreen, grass, berry juice — blot, don't rub, with cold water and a drop of dish soap. Same-day attention is the difference between a memory and a permanent mark. 3. Rotate every two weeks. Flip end-to-end and top-to-bottom. UV fades whatever faces it longest; rotation spreads exposure so the whole cushion ages as one colour.

After thunderstorms, stand cushions upright so both faces dry. Never stack wet. Never leave them flat on a wet deck overnight.

Autumn: The Deep Clean Before Storage

Autumn is the serious appointment of the year. Wait for two rain-free days and set aside a few hours.

Strip removable covers and launder cold with mild detergent — no bleach, no softener. For fixed covers, mix a gallon of warm water with half a cup of dish soap and a cup of white vinegar. Work it in with a soft brush in small circles, rinse with a hose until the water runs clear, and — the step most people shortcut — dry on edge, in sun if possible, for a full day.

"Feels dry" isn't dry enough. Foam cores hold moisture long after the surface feels cool. Press into the thickest part; if the fabric feels even slightly cool, give it another half day.

Winter: Dry, Breathable, Cool, Dark

Once fully dry, cushions go into breathable storage. Not plastic bin bags. Not sealed totes. A woven cotton or polypropylene bag with a covered mesh vent is the standard — moisture escapes, dust and insects stay out.

Stand cushions on edge inside the bag rather than stacking. Six-month pressure lines are real and hard to steam out.

The spot matters as much as the bag. Cool: heated rooms swing between dry and humid with every thermostat cycle. Dry: a basement damp in November will smell worse in February. Dark: even weak winter light through a garage window fades fabric across four months.

A garage, dry shed, interior closet, or covered deck box all work. If your only option is damp, add silica gel packs inside the bag.

Climate Variants

Humid coastal. Salt and dew points are the hardest assignment. Rinse weekly with fresh water to flush salt, bring cushions in overnight even in summer, and reapply a fabric protector each quarter. Mildew grows in under 48 hours on damp tropical fabric — dryness is non-negotiable. Arid inland. Your enemy is UV, not moisture. Rotate weekly and use a fabric-safe cover during midday. Dust builds fast in dry wind; a brush every few days stops it working into the weave. Cold continental. Follow the four-season rhythm closely; winter is long but forgiving of proper storage, brutal on cushions left under snow.

When to Re-Fill, When to Replace

Two questions, in order. First: does the fabric still look like itself — even colour, intact seams, no persistent staining? If yes and the cushion has gone flat or lumpy, a refill is the answer. A new high-density foam core inside a sound cover restores the cushion for a fraction of replacement cost.

If the answer is no — faded unevenly, thinned at corners, or carrying a mildew stain that survived vinegar and sun — the cover is the issue, and a new cushion (or at least a new cover) is the honest call. Fabric is a consumable. Foam, cared for, is not.

The Short Version

Rinse weekly. Rotate fortnightly. Triage stains same-day. Deep clean in autumn, dry completely, store breathably. Inspect in spring. Replace fabric before it replaces the cushion.

Our full year-round playbook, with fabric-specific notes for everything we stock, lives on our [Care Guide](/pages/care-guide). Bookmark it and come back each season.