Yes, most Peperomia like bathrooms and do great in them. The higher humidity from showers and baths gives them the moist air they crave. Your bathroom mimics the tropical forest floor where these plants grow wild. As long as you have some indirect light in there, your peperomia will thrive with very little help from you.
Picking the right peperomia bathroom plant depends on your space. Trailing types like String of Turtles and Ruby Cascade look great on high shelves. Their vines hang down and add life to the room. Compact rosette types like Emerald Ripple fit on narrow window ledges. A peperomia bathroom plant brings a pop of green to a room that often feels cold and bare. The humidity does half the care work for you, so these plants need less fuss in the bathroom than in any other part of your home.
I kept an Emerald Ripple on a shelf near the frosted window in my bathroom for two years. When I first put it there, I wasn't sure it would make it. But the steam from my daily showers kept the leaves dark and vibrant. I never had to mist it once. That plant grew more new leaves in the bathroom than any peperomia I placed in my living room or bedroom. The warm moist air was like fuel for it.
Bathrooms suit peperomia so well because of where these plants come from. They grew up under dense tree canopies in Central and South America. They love peperomia high humidity levels between 40-60%, which is right where most bathrooms sit after you use them. Peperomia high humidity needs set them apart from cacti that would rot in a steamy room. But their thick leaves also handle the dry gaps between showers better than ferns can.
Light is the one thing you can't skip for your bathroom plant. Even Peperomia like bathrooms less when they don't get any light at all. A window gives you enough for most types, even if the glass is frosted. No window? You have two choices. Skip the plant or add a small grow light 12 inches (30 cm) above it. A basic LED grow light on a timer for 10-12 hours a day will do the job fine.
A few care tweaks keep your bathroom peperomia in top shape. Water less often since the humid air slows how fast the soil dries. You'll notice the soil stays damp 2-3 days longer than in your living room. Make sure your pot has drain holes and sits on a tray. Wipe the leaves once a month to clear any soap or mineral buildup from hard water splash.
Don't put your plant right in the shower or tub area where water hits the leaves every day. Humid air is fine but a daily soak can cause leaf spot and mildew. Place your pot at least 2-3 feet from where your shower stream lands. In my experience, a shelf on the wall across from the tub works best. You get the humidity boost without the direct water spray and your peperomia stays clean and healthy.
Keep the bathroom door open after you shower when you can. This lets fresh air flow in and stops mold from growing on your plant and your walls. Good air flow also helps prevent powdery mildew on your peperomia's leaves. If your bathroom stays closed up and steamy all day long, crack the door or run the exhaust fan for 15-20 minutes after each shower. Your plant and your bathroom will both stay healthier with a bit of air moving through the room.
Read the full article: Peperomia Plant Care and Growing Guide