YorkshireNewbee · Yorkshire, UK · Queens · Sep 4, 2026

Why does the queen excluder have to come off for winter? (asking before I forget it's on)

First-year in Yorkshire, and I've seen it repeated everywhere like a commandment: take the queen excluder off before winter. I'm happy to obey but nobody's actually explained the mechanism to me and I'd rather understand than memorize. My setup is a brood box with a super of honey above the excluder that I'm leaving them (I only took a couple of frames this year). If I pull the excluder, doesn't the queen just wander up and lay in my nice honey super? And if I leave it on... what exactly goes wrong? Something about the cluster moving? Genuinely asking because it's on right now and I keep putting off the decision. Also — when do people actually do this, at the last proper inspection or later?

#queen-excluder#winter-prep#cluster

▲ 8 votes 💬 3 replies ✅ Solved

3 replies

PerthshireBees · Sep 4, 2026 · ✅ Accepted answer

The mechanism: in winter the cluster slowly eats its way UPWARD through the stores — heat rises, so up is the efficient direction. Workers fit through the excluder to follow the food; the queen physically can't. Cluster moves up into your super in January, queen gets left below, drops off the cluster edge, chills, dies. You open a queenless dead-out in March and wonder why. Pull it at your last proper inspection — now-ish. She won't ruin the super: she's barely laying by October, and any spring brood up there just means swapping frames before the excluder goes back on.

IstriaBee · Sep 5, 2026

PerthshireBees has it exactly. I will only add that this is one of the classic silent killers because the evidence melts away — you find a dead queen alone on the floor under a cluster that starved in the super, and most people blame the cold. Take it off, put it in the shed, and make it part of the same visit where the mouse guards go on so you never forget either one.

YorkshireNewbee · Sep 5, 2026

That makes complete sense — she's the only bee that can't follow the food. Excluder's coming off tomorrow and I've written mouse guards on the same line of the list like PetraKovac says. Sorry — IstriaBee. First winter nerves are real but at least this one's sorted.

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