Resist the temptation to give ferns too much new space. Ferns do not need full sun or maximum lighting to survive through the winter months. You can even grow them in windows with some direct sun indoors (East or West), but just be vigilant with watering as they will dry out quicker. The Spruce / Anastasiia Tretiak Maidenhair Fern Care . This is a must-do to keep insects from entering the house! Tips for Bringing Ferns Indoors for Winter Hose down each plant to clean the foliage and then inspect closely for insect that might be hiding in the foliage. (See: My favorite garden tool – the Hori Hori.). This can be in a cool basement with indirect lighting from a basement well-widow, or in the corner of a room that receives natural light from a nearby window. Place your fern in an area that gets indirect light. Ferns grow rapidly, and repotting allows them to grow freely and without damage. You can add a slow-release fertilizer, or use a liquid houseplant fertilizer at about half-strength about once a month from early spring to mid-autumn. Tillandsia stricta getting some perfect morning rays (Caitlin Atkinson) 3. Most ferns are adapted to the loamy understory of forests and rainforests. Worldwide, the American Fern Society estimates there are about 12,000 species of ferns, ranging from cold hardy to tropical, and ranging in size from miniature to the monstrous tree ferns of New Zealand and Australia. None of the popular household ferns can tolerate dry conditions for long. If your fern is lush and full, it can get a little tricky to water. Feed your ferns with a ¼-diluted complete liquid fertilizer twice a month during the growing season. ), Creating The Perfect Fall Compost Pile From Autumn’s Bounty. As spring comes back around, take plants out when the threat of frost has passed. We would like to keep them alive over the winter and want to know how to do that. Left in too much soil, the ferns can become over-saturated as soil will retain too much moisture. Luckily however, they are extremely easy to overwinter with just a little bit of additional care. Keep it damp, not soggy. If the leaves of your fern are yellow and wilted you're over watering them. What to Do With Outdoor Fern Plants in Winter Do Nothing. Use these guidelines that are common to all types of ferns. Keep it in a well lit position but not on a window sill. Indoors, this plant would like to be fed a few times a year in spring, summer & early fall. Fertilizing. They're considered hardy ferns, rather than tropical ferns, but don't let the description fool you: maidenhair ferns can be difficult to keep healthy indoors, as they're quite particular about their growing conditions. Warm, arid summer temps can cause massive growth for ferns. The first and foremost thing is placing the fern pot in an appropriate area where it gets plenty of indirect sunlight. This Is My Garden is a website created by gardeners, for those who love to garden. ", The Spruce uses cookies to provide you with a great user experience. They last about a month, then I have to throw them out and vacuum the trail of dead leaves that it leaves. But replacing them every year can become costly. Water a fern when the top of the soil is dry to the touch. There is no need to fertilize at all. Ferns can be tolerant of cool temperatures, but once they freeze out, they are gone for good. Before bringing indoors, use a garden hose to thoroughly spray the entire fern. Pro Tips. So make sure your fern is getting enough bright, filtered light to thrive. … If you don’t have the right conditions indoors for overwintering Boston ferns, allow them to go dormant and store in a garage, basement or outdoor building where temperatures don’t go below 55 F. (13 C.). Do not feed during the winter or in the colder months. Some experts recommend trimming the long-hanging fronds before you bring ferns indoors, but that isn’t necessary with this method. When growing outdoors, Staghorn Ferns get their nourishment from organic matter which falls on them from the plants above. If you are keeping the fern pot indoor, then try to keep it near the window but not in front of it, as the sunlight will affect it badly. Anywhere between 65 to 75 degrees is a good daytime temperature for Boston ferns. Maidenhair ferns are delicate plants with very small fronds and a lace-like appearance. Water a fern until the water starts to run out the holes in the bottom of the pot. Keeping that in mind, the Boston fern needs warmer temperatures to thrive outdoors and indoors. It is a native of America, but creeps all over the planet if conditions are ripe for its growth. To do this, just fill a bowl or cachepot with water. Most ferns require high levels of humidity to grow green and lush indoors. Let the plant thoroughly dry out before doing one final inspection for pests. Ferns are some of the oldest plants in the world—they've been thriving for 300 million years and grow in an astonishing array of environments. Ferns will perform best in moderate, indirect lighting conditions. A weak liquid fertilizer or slow-release pellet fertilizer is perfect. Introducing "One Thing": A New Video Series, The Spruce Gardening & Plant Care Review Board, The Spruce Renovations and Repair Review Board. How to Keep Your Ferns Thriving Indoors Humidity Is Essential. Ferns can... Prune Before Bringing Indoors. Asparagus ferns can be indoor or outdoor plants. You can raise the humidity around the plant temporarily by misting it with a fine spray of water, but a better strategy may be to set the palm in its container on a tray filled with pebbles that are covered halfway with water. Mist your ferns as often as practical, preferably in the morning. How to save an Adiantum 'Maidenhair Fern' that has been left too dry - Duration: 5:33. Ferns are no different. There are several elements that are crucial for growing indoor ferns such as the Boston Fern, or any fern for that matter: Light Bringing ferns indoors for the winter is a great way to add a bit of interior texture and color. If I understand, the trick for most ferns is to keep the rhizome alive. Keep your soil 1 to 2 inches from the rim of the pot. This is key, as dampness is the main foe of an air plant. We prize them as garden plants in warmer parts of New Zealand but bird of paradise (Stelitzia reginae) is now a … Get it free when you sign up for our newsletter. Most ferns need moderate, indirect light indoors. Give your ferns a position near a window that gets morning or late afternoon sun, and keep the ferns away from strong sunlight, especially during the summer. Be sure to hit the underside of the leaves as well to remove any hidden pest hitch-hikers. By using The Spruce, you accept our, How to Grow Majestic Staghorn Fern Plants Indoors. At night, ferns prefer slightly cooler temperatures than during the day; 55 to 65 degrees is a sufficient range for night time temperatures.