Learning Center · Blanketing

When do I pull summer sheets in for wash and storage?

Pull summer sheets in stages as each one stops earning its place, and store everything clean and bone dry.

By The Schneiders Product Team · Updated September 29, 2026
3 minute read · Reviewed against our current catalog

The short answer

pull them as each one stops earning its place, not all at once. Fly sheets come in when the bugs go, which is usually after the first hard frost. Scrims and coolers stay out longer, since they're still useful for drying a horse after autumn work.

Why staggered removal beats an all-at-once purge What "earning its place" looks like, piece by piece Why everything has to be clean and bone dry before it's…

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Why staggered removal beats an all-at-once purge

The instinct at the first cool morning is to wash and pack everything in one weekend. Resist it. Each piece of summer gear has its own end date, set by what it's actually protecting your horse from, not by the calendar. A fly sheet's job ends when the insects that made it necessary are gone. A cooler's job continues as long as horses are coming in warm and damp from work, which in most climates runs well past the point fly sheets are irrelevant. Packing everything away together means either doing laundry for eight items at once, or worse, putting away something you'll need again in two weeks.

How it works

What "earning its place" looks like, piece by piece

Fly sheets and masks come in after the first hard frost kills off the insect pressure that justified them, because a fly sheet left on past that point is just adding wear for no protective benefit. Scrims and lightweight coolers stay in rotation longer, since autumn schooling still produces a sweaty horse that needs to dry without chilling, and a cooler works by wicking that moisture away rather than trapping it. Heavier turnout gear comes in on its own separate schedule tied to actual temperature, which is a different question from summer-sheet storage.

What that means for you

Why everything has to be clean and bone dry before it's packed away

This is the step that gets skipped and causes the most damage over winter. Salt from sweat is hygroscopic, which means it actively pulls moisture out of the air even inside a closed trunk, keeping fabric fibers damp for months and breaking them down well before the blanket is worn again. A blanket that goes into storage even slightly damp, salt or no salt, creates the humid, dark, still conditions mould needs to establish itself, and once it's in the fabric it doesn't come back out with a normal wash. Fully drying and washing before storage isn't a nicety, it's the difference between gear that's ready to go next season and gear that smells and stains the moment you unpack it.

Quick answers

Frequently asked questions

Should I wash all my summer gear on the same day?

No, and you don't need to. Wash and store each piece as it stops being useful rather than saving it all for one weekend. That way you're not left doing a full load of laundry for eight items at once, and you keep the one sheet you still need out instead of packing it away too early.

How do I know when a fly sheet is done for the season?

Watch the insects, not the calendar. Once you've had the first hard frost, fly and mosquito activity generally drops enough that the sheet's protective job is finished. Leaving it on past that point mostly adds wear with no real benefit.

Can I store a slightly damp blanket if I'm short on time?

Better not to. Damp fabric packed into a closed trunk stays damp for months, which is exactly the environment mould needs to take hold. If you're pressed for time, hang it somewhere it can finish drying rather than sealing it away early.

Why does salt matter if the blanket looks clean?

Salt from dried sweat is hygroscopic, meaning it pulls moisture from the air even after the blanket looks dry. Left in storage, that hidden moisture keeps fibers damp and accelerates their breakdown, so a wash that removes the salt is worth doing even when the fabric looks fine.