Households Enforce Strict Item Rules; Plastics Go on the Top Rack

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Households enforce clear rules about what can go in the dishwasher, commonly excluding knives, cast iron/Dutch ovens, wood-handled tools, and some nonstick or delicate items. Plastics are typically restricted to the top rack to prevent damage. These rules are framed as protecting items and are often strictly enforced.

Facets

These facets are broadly related to the theme.

Any special steps the participant says they will take for that item (placement, cycle choice, handwashing, additives, etc.).

Found in 72 of 91 interviews · 89 mentions

Which single dishwasher rule the participant considers most important for this household and why it matters.

Found in 90 of 91 interviews

The participant’s stated rationale for why the most important rule matters (e.g., cleanliness, safety, time, household harmony).

Found in 90 of 91 interviews

How strictly the household enforces dishwasher rules (used to gauge flexibility vs. rigidity).

Found in 65 of 91 interviews

Identifies household norms about which people are permitted or expected to load or unload the dishwasher.

Found in 68 of 91 interviews

Captures the kinds of official or informal rules households have about loading, items allowed, and how to run the machine.

Found in 91 of 91 interviews · 263 mentions

Quotes

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Emma B.

“And things that we never put in the dishwasher are wooden spoons and our knives and our cast iron pans and our Dutch ovens. We do not put those in the dishwasher.”

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Shauna S.

“My kids are still learning how to load the dishwasher because I am pretty particular about it. I need all the plates facing a certain way, the silverware is pointing down, certain plastic items can't go on the bottom, they're on the top. Like I said, the knives never go in, wood never goes in. So those are our rules.”

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Michelle B.

“I'd say the two big ones are never put plastic on the bottom rack, don't put cast iron in the dishwasher, and do not leave large chunks of food on plates. Those I say would be the big three.”

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Marcia M.

“I think for us, that's more about what goes in the dishwasher. I kind of control what goes in the dishwasher. We do not put any pots or pans or baking sheets or knives in the dishwasher. I also don't put wine glasses in the dishwasher.”

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Cindy Bradshaw

“Two of them mattered the most keeping the bowls over there and underneath because otherwise if somebody puts the bowls in this area then we don't have enough room for the cups but also my knives they just last longer when I don't put them in the dishwasher. I also never put any wooden spoons in the dishwasher either those are always hand washed.”

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Jonathan M.

“Definitely the one of don't put something that doesn't say dishwasher safe on there in the dishwasher because there have been plenty of times where I have unintentionally put things that aren't dishwasher safe in the dishwasher, and they've come out ruined. And I've lost a couple really nice service tumblers that way. I don't really like doing that. I'm sure you can understand.”

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Participant via Respondent

“For us, only things that are dishwasher safe. We review when we buy things. We want to know if it's dishwasher safe. If it's not, then we don't want to take the chance of that melting causing harm to our dishwasher.”

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Video still for a quote by Demetria B.
1:04
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Demetria B.

“How to load is how we do it here. Right? So, like, all the cups are on the top, especially the plastic ones because they'll melt on the bottom sometimes. The other thing is we don't put wood in. So you saw these wood chopsticks on the counter earlier. And then I'm not super picky about the silverware up or down. So however anybody puts them in is fine. My son unloads it sometimes, and he prefers everything to be organized, like, the spoons in one, forks, knives, but I don't care, so I don't do that. And then the other big thing is that we have this on the outside. So right now it says dirty, but after I put the soap in and start it, I'll slide it over to clean so that anyone who comes by knows that it's clean and it needs to be emptied. Or if it says dirty and you just get done eating, you know you can rinse it off, put it straight in the dishwasher.”

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Justin F.

“I'll go up here if it's plastic a lot of times. It's like I feel like this is kinda flimsy. Put that on the top because it's more sensitive to the heat. It would be a top rack item.”

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Lindsay F.

“Plastic goes up here.”

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Kaylee H.

“Plastic never goes on the bottom because that's where the heating element is.”

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Lindsay F.

“I try to keep plastic or like Tupperware and stuff like that on the top Because the bottom for some reason gets hotter water and it might sometimes melt the plastic stuff or Tupperware If it's on the bottom rack”

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Jill Plaisted

“I can't think of any place that I've noticed gets not good cleaning results, but I do know that plastic wear seems to do better at on the top, I have put some of the cheaper plasticware on the bottom, and it melts because it gets too hot or it hits a coil.”

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Brinda D.

“The official rule is don't touch my cast iron pots. My husband tried to do that a few times. I have cast irons, a whole collection, and he tries to put those in all the time. To wash those is a no no.”

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Nick C.

“So I think a few of our rules are, really, it's how to load as bowls on top unless they're big bowls, and then those go on the bottom. Plates, they always go on the bottom. And one thing that we don't do is we don't put our, our cookware into the dishwasher. So we have some really nice hex clads that we just bought a few years ago, and we're trying to keep them nice. So that's one thing that we just do not put in the dishwasher. We must hand wash it.”

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Jill Plaisted

“In my household, the rolls are no nonstick cookware going in there. All of the knives and sharper things go in the top on the third pullout rack, and don't put any of my older China dishes in there that are not probably dishwasher safe.”

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Justin F.

“So we don't put any wood in the dishwasher, and we don't put any of our pots and pans in the dishwasher. And we don't put any it doesn't say dishwasher safe in the dishwasher.”

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Giulia P.

“We never put our Le Creuset branded items in the dishwasher just because they are more expensive and more fragile. And we put all glass on the top shelf of the dishwasher so that it doesn't break.”

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Seema J.

“I don't put knives, and I don't put wooden spoons in them because the moisture level stays there for a long time, so I don't know how much the wooden spoons would dry. And they say that you shouldn't put knives. It takes away from the from the sharpness of the knife. So I don't do that.”

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Tara Ragone

“I am the one who loads and decides what goes in and what not and I will not put anything with wooden handles or wooden fixtures.”