how to care for ferns outside
Rachel Hernandez
Updated on August 10, 2026
Planting Ferns in Pots
Spring is the best time to plant a fern in an outdoor container as this plant likes temperatures between 70 and 80 degrees. Choose a cool shady location with moist soil if possible. Avoid an area that will get direct sunlight. Selecting the perfect size of container is important.
How often do you water ferns outside?
Outdoor Ferns
They should generally get one to two gallons of water a week, but this depends on other factors, such as the sign of the plant, where the fern is planted, and what kind of soil it’s planted in. For optimal growth, outdoor ferns should be in shady areas with moist soil.
Should ferns be in shade or sun?
Ferns are a natural inhabitant of shady areas, most commonly found where they will get at least some sun during part of the day or where they will receive dappled sunlight most of the day. In fact most ferns will not grow that well in real dense shade, they need a bit of sun to grow their best.
Do you cut back ferns?
Pruning evergreen ferns
The trick: Prune them at just the right time, and it takes no time at all! To avoid a mish-mash mess, cut all of the fronds from your fern to the ground late each winter or early each spring. Once all of the fronds are cut down, each plant should look like a tiny, curled fist on the ground.
How long do ferns last outside?
On the coldest end of the scale, hardy ferns can survive temperatures down to minus 50 degrees Fahrenheit. However, hardy ferns in USDA zones 2 through 6, tend to be semi-evergreen. In most cases, it is safe to leave many hardy ferns outdoors all winter long. A few, however, are only cold-hardy to USDA zones 6 or 7.
How do you take care of potted ferns?
While the word “ferns” includes a wide variety of plants, most ferns when grown as indoor plants require the same basic care:
Pot in well-draining soil. Ferns aren’t picky about their soil, but their roots don’t do well if constantly wet. Place in medium light. Keep the soil moist. Mist on occasion.
What does an overwatered fern look like?
The first sign that a fern is overwatered is usually yellowing or wilted leaves. One surefire way to determine if it’s time to water a Boston fern is to touch the soil with your fingertip. If the surface of the soil feels slightly dry, it’s time to give the plant a drink.
Why are my outdoor ferns dying?
The reason for a dying fern outdoors is because of cold weather, too much sun, not enough water or the soil drains too quickly for the fern’s roots to draw up moisture which causes the fern to dry out and turn brown with a dying appearance.
What does Epsom salt do for ferns?
They help in chlorophyll production, healthy plant growth, and resistance against diseases and pest. Both of them are required if you want to grow Lush and Green Ferns.
Where do ferns grow best?
Most ferns prefer a shady location, but they don’t do well in deep shade. The dabbled shade provided by tree branches provide the best conditions. Think about how they grow in the forest and try and find similar conditions in your yard.
Why do ferns go brown?
If you’re seeing brown leaves all over, your fern may not be getting enough moisture. They like their soil to be lightly moist, but not soggy, so check them regularly and water them if the soil ever feels dry. Use the finger dip test: if you put a finger in and it comes out dry, they need a drink.
Do ferns do OK in full sun?
SUN LOVING FERNS can take direct sun for about 4 hours per day (morning, mid or afternoon) and filtered the rest of the day. These ferns thrive on LESS water which makes them easily adaptable to sunny locations.
Should I cut the dead leaves off my fern?
Ferns have fronds, rather than leaves, which last for only a year or so. The older fronds start to die back and turn brown while the new ones grow in. Cutting off the old growth will refresh the plant and leave you with only beautiful new fronds.
How do you make a fern bushy?
Instead, trim off the side fronds at the base. Also remove old, discolored fronds near the soil to allow new growth to come through. Remove the unsightly stems to the base as well. The remainder of the plant can be clipped along the outer edges to the desired shape.
Why is my fern turning brown and crispy?
The tips of ferns turn brown due to underwatering. Ferns require the soil to be consistently moist, but not saturated. If the soil dries out between bouts of watering, the fern’s leaves turn brown and crispy at the tips due to a lack of moisture around the roots. Smaller pots dry out more quickly.
Can you leave ferns out in the winter?
Even though the leaves on most fern fronds dry up during the winter, turn yellow and then brown, you may want to leave the fern fronds in place and rely on winter rains and cool temperatures to keep the plants alive.
How do you winterize a fern?
How to Overwinter Potted Ferns
Trim the fern, removing the shoots at the outside of the pot and keeping only the most upright shoots in the middle. Bring the fern inside and place it in a bright, sunny room where the temperature will stay between 50 to 55 degrees Fahrenheit. Water the fern once a week.
Do ferns come back every year?
Ferns are perennial plants, which means that they grow back every year. As long as your fern is healthy, you do not need to worry that cutting it back will hurt it or prevent it from growing back the following spring.