Reduce your watering. Keep the humidity up by mimicking greenhouse conditions. A window facing east; you will get sun from 7 am to 11 am and “it’s not harsh, like what you’ll get in a western facing window,” he says. How to Keep a Palm Alive in the Winter. According to us, those are the best indoor winter plants. If you want your precious green friends to survive until, Top 10 Interior Designers And Decorators In Boston, How To Get Your Home Ready For Thanksgiving Dinner. Are you doing something wrong? Check out this post! We all need light and it’s hard to get a lot of it when the days are so short like they are in the middle of winter. Winter Greenhouse Grows Since outdoor grows aren’t practical in most of the U.S. because of low temperatures and shorter day length, a good option for keeping plants warm during the winter is to utilize a greenhouse, which, by nature of its design, captures solar energy and retains the heat produced by sunlight. Tips on Preparing and Caring for Houseplants in the Winter Adjust Your Watering Routine. Well, you can insulate the entire greenhouse using plastic sheeting, OR you can add row covers (yes, row covers over crops inside your greenhouse) for added protection. Above: Turn the heat up high during the day, then way down at night. deep in 6 inch (15 cm.) Clark, an instructor at the Buffalo and Erie County Botanical Gardens, likes a challenge: he managed to keep a 4-foot gardenia topiary alive for four years and has collected more than 300 different orchids. Soil Mats. Here are some tips for caring for your indoor plants during winter: Give them light. While you should still be diligent about other aspects of plant life, you can rest easy knowing that they’ll be fine if you skip a watering or two. Your plants will actually appreciate it! It’s snuggling for plants. Bringing tender tropical and subtropical houseplants back indoors once outside nighttime temperatures dip below 50 degrees Fahrenheit protects them from chilling injury and death, and allows you to enjoy them throughout the fall and winter months. The other reason to keep a greenhouse warm in winter is because if you ARE growing anything, you’ll want to provide a healthier living environment for your vegetables, prevent cold spots, and reduce the risk of fungal diseases. Potted plants can be tricky, mainly because their roots are much more exposed to the elements. All rights reserved. As winter approaches, consider upgrading your planters to something more seasonally appropriate. This is a hard time of year for your indoor plant friends, especially if you live in the Pacific Northwest where our days are particularly short. A de-icer is a disk shaped device that usually sits on top of the ice and will then melt a hole in it, keeping it melted for the duration of winter. It hates drafts. Some types of dwarf citrus (which can be kept in a large pot) are suitable for indoor growing, or at least overwintering indoors. For smaller plants, give them a bath in a sink with a sprayer. One trick: Select container plants that are hardy to two zones cooler than your … Plants don’t need much water during the winter. Plants like the air round them to be warm, as winter comes in it is best to keep your grow room round the right temperature range about: 25-28 Degrees during the lights on period for your grow room. You’ll want your plants to dry out as much as possible. Set plant pots on pebbles and put the tray in a warm sunny spot (or on top of a radiator). Give them a little spritz from a mister every few days to keep houseplants happy. Show your plants a little TLC and wash off their dirty leaves with a damp washcloth. Tap the link in our bio for f, Visit the link in our bio for 11 eco-friendly land, Landscape designer Brook Klausing of Brook Landsca, With the help of landscape designer Becky Bourdeau, Landscape designer Marc P. Keane (@marcpeterkeane, Gardening 101: Sea Kelp for Healthy Houseplants, How to Keep a Potted Citrus Tree Happy in Winter. Sprinkling plants with water is a method sometimes used for ornamental plants. However, there are a few plants that depend on us humans to give them a helping hand. #2: Keep the Humidity Up! The temperature variance feels familiar to plants because it mimics the conditions they would experience outdoors in the course of a 24-hour period. Use this article as a reference to keep all your plants warm this winter. Sometimes people put a light bulb under the covering to protect ornamental plants that cannot be moved. Above: A Winter Protection Jute Garden Sack is €8.50 at Manufactum. To move big, heavy pots, put them on rolling plant stands. Fertilizer. It’s important to keep your plants away from any cold drafts or heating vents, especially during the winter time. Keep the soil lightly moist and in a warm location to germinate. The plants prefer a warm, humid environment with some decent light. When troublemakers, such as mealy bugs, enter a warm, protected indoor environment, they multiply rapidly and can quickly devour your indoor garden. This mimics more of their native environment, tucked away in some damp forests. You may need to move your plants to brighter, south-facing windows in the winter. Once you have placed the pepper plant in this location, cut back the watering. They thrive off each other producing their own water to nourish themselves to prevent dying. But don’t make this mistake. deep in 6 inch (15 cm.) Sun is in short supply in the winter. It's an excellent space for keeping your plants and flowers safe from harm and harsh environments. The Gardenista editors provide a curated selection of product recommendations for your consideration. We love our plants. The definitive guide to stylish outdoor spaces, with garden tours, hardscape help, plant primers, and daily design news. The compost will help provide food for the plants over the winter, and the mulch will add a layer of insulation to help keep them warm. SOURCEBOOK FOR THE CONSIDERED HOME “In a situation like that, make them a little miniature greenhouse by tenting them under a big plastic bag,” says Clark. But if you bought your plants back in the warmer months, you might have put them in pots that reflected warmer times. The best way to keep indoor plants warm during the winter is to put them in a warm room, rather than one that gets cold. Most plants are able to keep survive all on their own during the winter. A common misconception about plants is that additional watering can compensate for less sunlight and lower humidity levels. Sourcebook for Cultivated Living, sister site to @remodelista pots. Size of planting pots. If you take care of it, it may even turn into a shrub. Plants are similar to people, they need light, even indoor plants. Now you know exactly how to keep your plants safe and warm when temperatures plunge, without paying a hefty price when your electric bill hits the doormat. Keep the plants moist and away from heat sources. So it’s important that you keep your greenhouse well ventilated. Prewarm the candle in the microwave to start the scent immediately, and keep smelling good and releasing the scent on the warmer. How To Keep Indoor Plants Warm. Plant them ¼ inch (6 mm.) When you bring the plants indoors for the winter, things can go backwards, especially when it comes to flowering houseplants, if you are not careful. An unheated greenhouse can be used to grow greens during winter, start warm season annuals, propagate landscape perennials, and shelter frost tender plants through the winter chill. Video … Or get a … Sun and moisture. If your plants are suffering, mix a tonic and spray it on their leaves: Dissolve 4 teaspoons baking soda in a gallon of water and add a few drops of Murphy’s oil to make a suspension. A watering can with a long spout will direct a controlled stream of water to a houseplant–without dribbles. While stoneware pots can be lovely, they do nothing in terms of providing insulation for your plants come winter. It may sound counterintuitive, but indoor plants need less water during the winter. Sensitive plants can also get burned from hot, dry air. For our favorite, see The Most Beautiful Watering Can Ever. Anything below 50°F, and your plants will start to suffer. Related News Growing herbs indoors can yield a winter’s worth of home remedies Clicking through to the retailer that sells the product may earn us a commission. If you grow cactus and succulents as houseplants, here's the best thing you can do to get these warm-growing, sun-loving plants through the cold, dark days of winter: Lose your watering can. However, there are a few plants that depend on us humans to give them a helping hand. “They will kind of go dormant, especially if they’re plants that grow outdoors in summer and they’ve come from that bright light into a home with lower lighting and lower temperatures.”. Plants like the air round them to be warm, as winter comes in it is best to keep your grow room round the right temperature range about: 25-28 Degrees during the lights on period for your grow room. 5 Ways to Protect Potted Plants in Winter. Many cats really enjoy a warm, cozy place to nap. Read on to find out the best ways of keeping your plants warm and thriving in the winter months. However, if you want to keep the plants warmer without heating the whole house, maybe an incandescent bulb would work. In a low-sided tray, place a shallow layer of pebbles. So, to recap: 1). However, if you’re moving your plants close to a window, keep in mind that temperatures near windows can drop significantly at night. They thrive off each other producing their own water to nourish themselves to prevent dying. Unless you ventilate, you will end up growing plants in a humid, CO 2 depleted environment. Fortunately, by making a few changes regarding plant care during the cold season, you can keep your plants looking great, even in winter. The top of the refrigerator is ideal. Aloe Vera is one of the easy indoor winter plants. Gradually transition them to your home by placing them in the shade before bringing them directly inside. For more, see DIY: Pest-Free Potting Soil. The beauty of citrus is that many varieties ripen during winter. ANYWAY, I like to keep growing over the winter because, well, I like to grow vegetables. Indoors? Like any normal, sane person. Select plants for overwintering carefully, grouping only those of similar temperature requirements. For step-by-step instructions, see DIY: Sticky Traps for Fungus Gnats. (A light, dry snow covering can actually help protect some plants by acting as a covering to hold in heat.) Here are his top 10 tips (plus one of our own) : Put houseplants in the sunniest spot you have; move them to follow the sun if necessary. To make sure they can take full advantage of the little light they have, make sure your indoor plants’ leaves stay clean and dust-free. Insulating your greenhouse with bubble wrap is an effective trick. Browse our collection of more than 2,000 plants and seeds, which can be ordered directly from our favorite shops and growers. Most plants prefer a daytime temperature between 65°F and 75°F, and a nighttime temperature between 60°F and 65°F. The following tips offer suggestions on how to keep your plants warm during the winter. Add Artificial Light. We have 200 guides on everything from fences to foxgloves. Don’t worry if temperatures go down to the mid-low 50s F, or even high 40s. Although it’s often said that misting a plant can compensate for a lack of humidity, the best way to keep your plants humid is to use a humidifier. Some great candidates for growing indoors in winter include angel's trumpet, banana, begonia, fuchsia, and mandevilla. Not only do they function as wonderful decorations, but they also clean and purify the air in our homes and apartments. If you’ve got a fridge or freezer in a place that gets natural light you could … In fact, when it’s warmer I only water once a week. The best? Plant them ¼ inch (6 mm.) 5 Tips to Revitalize and Keep Houseplants Alive in Winter Other solutions are to bury a garlic clove in the soil, make an apple cider vinegar trap, or repot plants. Plants and gardens have always been a big part of my life. Plan your trip with our destination guides to our favorite public gardens, hotels, restaurants, and shops. Even though your plants are inside, the majority of houseplants go ‘dormant’ in the fall and winter … Okay, so maybe this one won’t actually help your green little friends. This article has been viewed 7,778 times. All Gardenista stories—from garden tours and expert advice to hand tools and furniture roundups. Since outdoor grows aren’t practical in most of the U.S. because of low temperatures and shorter day length, a good option for keeping plants warm during the winter is to utilize a greenhouse, which, by nature of its design, captures solar energy and retains the heat produced by sunlight. If it’s a sunny room the temps might swing drastically between very warm in the day and cold at night – and that can be hard on many plants. Your resource for finding the best storage and home organization solutions for every room in the house. We have a few tips to help you to get them looking happy and green, and keep houseplants alive through winter. Not only will they look better, but they’ll be able to absorb light more efficiently, which is particularly important during this time of year. Whether your potted plants live indoors year round or have sought temporary shelter from freezing temperatures, they may be looking a little sad these days. Keep Your Greenhouse Warm If you are a serious gardener or want to become a gardener, you may know the importance of a greenhouse. Then off their leaves so they don’t drip all over the floor. © 2019 Decor Aid | Terms & Conditions | Privacy, Decor Aid | 54 W 21st Street, #607 New York, NY 10010 | 212.334.1034, Free Design Consultation With A Senior Designer, We love our plants. Need Color Inspiration? They are quite adaptable to different climates but its best to keep them warm. As either a container plant or landscaping plant, a palm tree (Arecaceae) provides bold, evergreen foliage and a tropical-looking growth form. You might be in luck if you have a plant that tolerates low light like the Sanseveria.But most of our houseplants originate from warm, humid places with more light than our winter days supply. If you need one more reason to turn up the heat, your plants will stay alive longer in warmer weather. If things start to get really dark, try placing an artificial bulb above any houseplants that are starting to show signs of winter wear. Row cover fabric is designed to keep the plants warm without risking heat damage. Pretty much any heat source will sap any moisture out the air and make a dry, arid environment. The first step is to stop feeding your plants. As a tropical plant, it requires a warm temperature, but … Move tender succulents, including aeoniums, aloes and echeverias, into a frost-free location in full … “Most plants only need water once a week in winter,” says Clark. Even houseplants feel it. Come spring, set dormant plants outdoors in warm sunshine and feed them a superfood such as sea kelp. Following these suggestions will help you keep your houseplants happy all winter long and allow them … However, when the lights are off it is best to drop the temperature a few degrees to about 18-21 degrees. Besides greens like spinach and lettuce , you can grow cold tolerant veggies such as cabbage and broccoli in your unheated greenhouse. House plants fall into three categories: tender plants, half-hardy, and hardy. Above: A 12-foot-long Burlap Plant Cover with a width of 40 inches is $11.99 from Clever Brand via... Jute Sack. Wipe leaves with a damp sponge. Keep the soil lightly moist and in a warm location to germinate. If your windows freeze over, make sure that your plants have enough distance from the glass, so they don’t freeze too. You can also use them to keep warm scented (in glass containers, like my favorite, Trapp candles) candles without the hazard of an open flame to catch on the curtains, or your dear pooch to wag his tail in. Protecting plants in winter – knocking snow off plants Step 2 Protect greenhouse plants by lining the greenhouse with bubble wrap and consider using a paraffin heater to keep your most tender plants warm. Keeping Indoor Plants Warm In Winter. Many plants go dormant in the winter. It’s not unusual to walk into a room and find your cat curled up in the sunniest spot. Or have they just gone dormant? If your houseplants have spent the summer outdoors, now is the time to end their vacation and move them back inside. Or get a desktop humidifier to direct moist air toward plants. The amount of light that homes get during the winter months is short, and if your house doesn’t face the right way, you may only get light in certain … Indoor air temperature. Your plants probably won't thrive and they may not bloom, but they should survive with minimal stress. For more, see Gardening 101: Sea Kelp for Healthy Houseplants. “When they get dusty, that causes plants not to breathe. Sow tomato seeds inside in seed starter mix. One of the first options available for heating your growroom is focusing on heating the … And once your plants are closer to windows, make sure to keep the windows clean, to let in as much light as possible. In fact, when it’s warmer I only water once a week. Plant the container as early as possible in order to allow plants to harden off. The top of the refrigerator is ideal. 2. Most plants are able to keep survive all on their own during the winter. You’ll want your plants to dry out as much as possible. The key to taking care of this plant is to keep it warm. But not to worry! Not only do they function as wonderful decorations, but they also clean and purify the air in our homes and apartments. A Cracked Pot. “Or take a shallow tray, fill it with 2 inches of water and gravel, and set your potted plant in it.” As the water evaporates, it will create humidity around the plant. Do not cover plants with plastic sheeting except as an emergency last resort. Like I mentioned above, most indoor plants are from tropical regions of the world, and they can’t stand the cold. How to Help Pond Fish Survive Winter (Methods & Tips) 1) De-icers & Surface Heaters. The compost will help provide food for the plants over the winter, and the mulch will add a layer of insulation to help keep them warm. pots. As the days gradually shorten, your plants are going to receive less natural sunlight, and so to make use of the sunlight that is available, move your plants closer to a window. Every couple weeks, put your plants in the bathtub and use a handheld sprayer to give the leaves a gentle shower, or use a damp towel to wipe dust and grime off the leaves. You all have already been such an amazing help to me through your archives. If you have potted plants, then the easiest way to keep these guys warm is to bring them indoors. Keep several things in mind when considering an indoor winter garden:. Soil Warmer. If plants are healthy and go into winter with mature roots, they have a much better chance to harden off and, as a result, will tolerate winter stress much better. Move plants in stoneware pots indoors. These plants are often tossed after the holidays, but you can continue having the Poinsettia around your house. Aim for the Appropriate Temperature To Provide Adequate Heat to Your Indoor Plants. Keep potted plants drier to protect roots and enhance winter hardiness. However, the process needs to be done correctly to prevent shocking the plant's systems. The earth holds a pretty constant temperature, so a plant or tree that is in the ground will have a lot more winter hardiness than the same plant that is in a pot. On the flip side, it does require a bit of construction and is not the most attractive solution. Gardenista’s members-only directory of landscape architects and garden designers. It’s snuggling for plants. An unheated greenhouse can be used to grow greens during winter, start warm season annuals, propagate landscape perennials, and shelter frost tender plants through the winter chill. Space. Florescent lights are much more efficient than incandescent, The "pretzel-shaped" compact fluorescent bulbs that screw into standard fixtures are more convenient for house plants than 4 foot "shop lights". For our favorites, see 10 Easy Pieces: Desktop Humidifiers. If you have potted plants, then the easiest way to keep these guys warm is to bring them indoors. Start a new pot of seeds every two weeks for a constant supply of tomato plants over winter and into early spring. While... Alter Humidity Levels. To allow for proper gas exchange during the winter, it’s imperative that you keep a hole in the ice. Starting from scratch or upgrading an outdoor space? Daytime. Here Are The 10 Best Inter... 20+ Roof Types, Styles, And Materials To Upgrade A... 15 Interior Design Tips To Impress Guests Instantl... 15 Ways to Style a Grey Sofa in Your Home. With the approach of colder months, many indoor cats, especially older ones or kitties with arthritis, will seek out the warmest spots in the house. Whatever you do, don’t drown me. The extra light will help you and your plants stay healthy and happy until the weather gets warmer. Make a humidity tray for plants to add moisture to the air. Or you might need to supplement their lighting with grow lights. It’ll keep them alive longer, and hopefully brighten your day too. Following these suggestions will help you keep your houseplants happy all winter long and allow them to continue providing you with all … “If you cover a leaf surface with dirt, it won’t get the full effect of sunlight and photosynthesis will be slowed.”. Meet our editorial team, see our book, and get the inside scoop on upcoming Gardenista events. Short days put sunlight at a premium. So keep track of temps in the winter and you’ll have better information. But winter is coming, and chances are your plants weren’t designed to withstand freezing temperatures. The ideal humidity for plants is between 40% and 50%. Boxed in by boxwood? Plus, it also allows for year-round nurturing and growth, irrespective of what the climate may be like outside the greenhouse. Plastic sheeting can trap too much heat and overheat the plants, especially in direct sunlight. But whether you’re nursing something finicky like an African violet or a hardy Mother in Law’s tongue, your houseplants are going to have a harder time in winter. Above: To extend … If things start to get really dark, try placing an artificial bulb above any … We asked horticulturalist David Clark (who is coddling his own houseplants through the winter in upstate New York) for advice about how to perk up winter-frazzled houseplants. In addition to keeping plants at the correct temperature, you’ll also want to make sure that they aren’t getting blasted by inconsistent or extreme temperatures. That said, I'd love any tips and advice regarding how to keep them warm during the winter so my plants and I can co-exist peacefully. The one-stop sourcebook for the considered home, guiding readers artfully through the remodeling and design process. Add water to the height of the pebbles. Bringing plants inside over the winter can help them survive the colder months. 3). In a low-sided tray, place a shallow layer of pebbles. Heading somewhere? How To Keep Indoor Plants Warm. And it needs to be in a sunny area, but kept away from too much hot afternoon sun. Garden Hacks: 10 Genius Ideas to Keep Plants Warm in Winter Burlap Plant Cover. Leave a humidifier on while you’re out of the house, so you can come home to a space filled with healthy and beautiful plants. 2). Mould, mildew & fungus can become a threat. It plugs their leaves, which have little pores called stomata,” says Clark. How to keep your indoor plants warm over the winter months is essential knowledge for the houseplant gardener. Here are some c heap ways to heat-up a greenhouse without using electricity; D ecomposing hay or straw bales, dust bin or old oil drum filled with water, even a rabbit hutch complete with rabbit will warm it up.....More information on this page. Not all tropical plants make good houseplants, but there are plenty … Make a humidity tray for plants to add moisture to the air. Fun with an Indoor Winter Garden. Copyright © 2007-2020 Remodelista, LLC. Most plants thrive with levels of from 50 to 60 percent humidity; in a house the humidity level can go below 35 percent. “Most plants will not thrive in a north-facing window because they need more sun,” says Clark. Remodelista, Gardenista, 10 Easy Pieces, Steal This Look, 5 Quick Fixes, Design Sleuth, High/Low Design, Sourcebook for the Considered Home, and Sourcebook for Considered Living are ® registered trademarks of Remodelista, LLC. Cats have a body temperature of around 100.5 to 102.5F (just under 38 to 39C). The Biggest Challenges in Winter Houseplant Care. For those outdoor plants, provide a nice layer of compost and then a thick layer of mulch covering. Then, place a length of row cover fabric over the loops so that it encloses the plant. Plants don’t need much water during the winter. See our obsessively curated catalog of favorite products sourced by the Gardenista editors. Make your own sticky traps to catch those tiny black bugs–they’re fungus gnats–that buzz in the air above houseplants. … But winter is coming, and chances are your plants weren’t designed to withstand freezing temperatures. Giving your plants the right amount of water during the winter may seem hard considering how easily the hot air in your home can dry them out. As a company of gardening services, we can recommend you to grow some indoors. If you live in a colder climate, the winter humidity will probably be around 10%, which means that you’re going to have to compensate. If your patio goes below freezing the roots of your plants will freeze and the more tender plants will die. Concrete planters are a personal favorite of ours. Finally, get more ideas on how to plant, grow, and care for various houseplants with our Houseplants: A Field Guide. The repetitious cycle of freeze-thaw-freeze-thaw is not just hard on your plants, it’s … Growing your palm in a container and moving it indoors for winter will protect it from cold weather. Whatever you do, don’t drown me. SOURCEBOOK FOR CONSIDERED LIVING To perform a thorough pest inspection of your houseplants, use a magnifying glass to look closely at the top and bottom of foliage, and between the whorls of leaves that are just beginning to unfurl. Plastic helps absorb more heat without keeping the sunlight away from your crops. I move most of my indoor plants outside when it is warm and they really seem to love it. So if your heaters are on, please keep your plants far away from them. Move plants in stoneware pots indoors. This will trap heat and block out frost, and is the best solution for keeping your plants safe and warm in the winter. Cut back on watering. The most common disease that plagues houseplants is leaf spot–yellow or brown spots that develop on an outer leaf and move inward. Thank you in advance for your help. Indoor Winter Plants 1 – Aloe Vera. Curious about my indoor growing bucket? Receive the Gardenista newsletter in your inbox daily. Add water to the height of the pebbles. Keeping your greenhouse warm and ventilated is key to ensuring your tender plants survive the winter. The air is dry from your heating system. However, when the lights are off it is best to drop the temperature a few degrees to about 18-21 degrees. Electric white goods. Artificial lights will make your plants feel that you have taken them on a winter trip to the Caribbean. Keep a spray bottle handy, and mist your plants daily. Low humidity levels may the biggest hurdle that houseplants must overcome during winter. This will keep temperatures to 32 degrees F. The cost of heating a greenhouse in winter can sometimes be greater than the savings and advantages of using one to grow your own.. Mostly, they just sit and wait for better growing conditions. Then, I take one, wrap it in a towel and put under my feet when using the computer or lay at the foot of the bed, under the covers, to pre-warm it in the cold room I sleep in, since I … Starting Winter Growing Tomatoes. See 5 Favorites: Rolling Plant Stands. At the very least, invest in a propagator with electric bottom heat. Keep plants clean. Outdoor plants experience fog, rain, and mist. If you want your precious green friends to survive until spring, follow our nine steps for keeping your plants alive during the winter season. Insulate with bubble wrap. Below is a list of ways to keep your cat warm for winter: The Temperature of Your Home. Tropical carnivorous plants tend to suffer in the winter because of low humidity. Even if you provide no other heat source, this will help keep vulnerable plants frost-free. For proper indoor houseplant maintenance over the winter, there are several things to consider. Keep your plants at a steady temperature between 65-75 degrees F (18 – 24 C) during the day, and above 50 degrees F (10 C) at night for the best plant living conditions. Just open your greenhouse vents periodically to freshen the air. But don’t move them too close. The most fun of any indoor winter garden is … Set plant pots on pebbles and put the tray in a warm sunny spot (or on top of a radiator). Giving your plants the right amount of water during the winter may seem hard considering how easily the hot air in your home can dry them out. Plants use CO 2, but release oxygen and moisture. I actually keep a few flat rocks on my wood stove when I’m not cooking on it, in winter. Written by: Sue Sanderson. The ideal temperature for growing houseplants indoors is 60-75F. The following tips offer suggestions on how to keep your plants warm during the winter. Don’t fertilize–and don’t give up on them. Tag us using #gardenista. To encourage buds, keep them at 65° to 70°F, though in winter, they can definitely be cooler and drier. Besides greens like spinach and lettuce , you can grow cold tolerant veggies such as cabbage and broccoli in your unheated greenhouse. Plan and design. Keep Them Warm and Illuminated Place a dormant succulent in an area with at least three to four hours of bright light. For best results, keep citrus in pots outdoors from spring through fall, moving them inside whenever nighttime temperatures begin to dip below 50 degrees. Look here for advice on plants and hardscape materials. Larger plants can go into the shower. How To Keep My Indoor Cat Warm During Winter. Bringing Tropical Plants Indoors.