What is the best food for ferns
Sarah Cherry
Published Mar 27, 2026
Ferns are relatively light feeders compared to many other foliage plants. They prefer a balanced fertilizer, such as 20-10-20 or 20-20-20, with micronutrients applied at approximately 200 ppm nitrogen. Too much nitrogen can cause tip burn on the roots and leaves if the plant becomes dry.
How often do you use Epsom salt on ferns?
You can mix 2 tablespoons into 1 gallon of water and spray it onto your fern once a month. Do this when your ferns are actively growing, and when the ferns are more dormant, reduce the ratio to 1 tablespoon per gallon.
Can I use Miracle Grow on ferns?
Use Miracle-Gro® Water Soluble All Purpose Plant Food for larger Boston ferns and those grown outdoors, and Miracle-Gro® Indoor Plant Food for smaller indoor Boston ferns. The amount you use to fertilize your fern will vary depending on its size, so be sure to follow the instructions on the label.
What do you feed ferns with?
Most ferns planted in the open garden need no additional feeding, but if soil conditions are particularly poor, you could add a well-balanced fertiliser, such as Growmore or blood, fish and bone, in spring. Apply a mulch of garden compost or well-rotted manure to the soil surface annually in spring, to enrich the soil.Can you put plant food on ferns?
Fern Fertilizer Outdoor ferns can be fertilized in spring, preferably with a slow-release plant food such as Miracle-Gro Shake ‘n Feed. If plants are divided or transplanted in the fall, there is no need to add fertilizer to the soil at the same time. Watch your ferns for signs of fronds turning brown along the edges.
How do I bring my fern back to life?
Dig up your fern and add organic material or compost to the hole if you have clay soil that that doesn’t drain well. Replace the fern, water it well and give it a few weeks to bounce back. Transplant the fern if it currently grows in direct sunlight and has browned leaflets or fronds.
How do you make a fern greener?
Epsom Salt for Ferns can do wonders! It can make your fern plants greener and lusher.
How do you make fern fertilizer?
Place 1 teaspoon of potassium nitrate, 1/3 teaspoon of ammonia, 1 teaspoon of Epsom salt and 1 teaspoon of baking powder into the gallon of water. Mix well. You now have homemade fern food that also works with other houseplants.Is coffee grounds good for ferns?
Coffee grounds are not good for ferns. Using liquid coffee, used or fresh coffee grounds or any other coffee based product as fertilizer for your ferns will inhibit the growth of the plants. Coffee adds too much nitrogen to the soil for a fern. … Coffee lowers the pH value of the soil.
How often should ferns be watered?Outdoor Ferns As a rule, they prefer 1 to 2 inches of water a week, but this also depends on the soil and the growth rate. Ferns grown in light, sandy soil require more frequent watering than those grown in dense clay soil.
Article first time published onWhat does Epsom salt do for ferns?
Ferns – Epsom salts work wonders on ferns as a liquid fertilizer helping the leaves have a rich, deep dark green color. Elephant ear plants are another plant which benefits from the extra magnesium. Apply as a drench mixing 1 tablespoon of Epsom salts to 1 gallon of water.
How can I make my ferns grow bigger?
- Repot the ferns into large planters or hanging baskets. The ferns we buy always come in the plastic hanging baskets. …
- Fertilize. Ferns don’t require much fertilizer… …
- Water frequently, but water the right way. …
- Cut off any brown fronds. …
- Choose the right light. …
- Rotate occasionally. …
- Don’t toss the metal basket!
How often do you feed ferns?
As a general rule, it’s a good idea to wait four to six months, but you can start earlier if growth is really taking off. Thereafter, fertilizing indoor ferns is best done every month throughout the growing season. Feed the plant only every other month when growth is slower during fall and winter.
Do ferns like full sun?
How to Grow Ferns in Your Garden. Plant ferns in part to full shade and rich, well-drained soil. In all climates, they need protection from afternoon sun to prevent drying and leaf scorch. Ferns can reach 12 inches to 6 feet tall, depending on the type and growing conditions.
Why is my fern turning brown?
You may see brown tips on garden ferns if the soil becomes too dry. When it feels dry to touch, water slowly and deeply. Stop watering when the water runs off instead of sinking into the soil. … If your fern has brown tips because the humidity is too low, it’s best to choose another plant for the location.
Why is my fern turning yellow?
Plant manuals plainly state that when leaves turn yellow or brown, the fern is a victim of over- or underwatering. … To avoid these problems, try filling your plant saucer to the brim with water, then let your fern sip it up all week. Since most ferns come from moist environments, they don’t mind having their feet wet.
How do you keep ferns looking good?
All ferns love moisture and should be given humid conditions. In living rooms and family rooms, stand their pots on trays of damp pebbles or clay granules. Ferns also love being misted at regular intervals with tepid, soft water unless the humidity of the whole room is kept high through the use of a humidifier.
How do you keep a fern healthy?
Most ferns like an evenly moist soil with regular waterings. Allowing the soil to dry out between waterings stresses these plants. Bushy ferns can be difficult to water. Try using a watering can with a long spout to direct the water to the center of the plant.
What does an overwatered fern look like?
The first sign that a fern is overwatered is usually yellowing or wilted leaves. … The weight of the pot is another indication that a fern needs water. If the soil is dry, the pot will feel very light. Hold off watering for a few days, then test the soil again.
Can you overwater fern?
Overwatering causes the fronds to yellow and wilt and may eventually lead to root rot and fungal diseases, especially if the pot is allowed to sit in water. Too little water also causes wilt. … But you also can increase humidity around the ferns by placing the pots on a pebble-lined tray.
Why is my fern turning brown and crispy?
If you’re seeing brown leaves all over, your fern may not be getting enough moisture. … Humidity is really important for ferns. If the air is too dry they’ll go crispy. If your fern is looking brown all over, try misting it more and see if it improves over the next few weeks.
Do ferns need mulch?
Whether you are having ferns as part of your landscaping or interior decorating, they will appreciate moist soil. Finely shredded leaves work well as a mulch for ferns because they mirror the conditions of a forest floor and help to retain the moisture that the plants need. Replenish the mulch every spring.
How do you take care of a ruffle fluffy fern?
- AKA: Ruffle Fern.
- Light: Low to bright indirect light; avoid direct light. …
- Watering: Keep the soil evenly moist but not soggy. …
- Humidity: Medium to high humidity. …
- Toxicity: Non-toxic to cats, dogs and humans.
- Potting Mix: Fast draining all purpose mix.
Should you cut back ferns?
Outdoor evergreen ferns should be cut down every year. Using sharp pruners, cut the fern fronds down to the ground. Late winter or early spring is the best timing, before the new fronds start to emerge. … Cut back any fronds with pest infestation or disease to the base of the plant throughout the year.
What is a natural fertilizer for ferns?
Ferns are very sensitive to over fertilization. In nature, they get the nutrients they need from fallen leaves or evergreen needles and rainwater running off their tree companions. The best thing to try if ferns look pale and limp is to add organic material like peat, leaf mold or worm castings around the root zone.
What can I use if I don't have fertilizer?
- Grass Clippings. If you have an organic lawn, make sure to collect your grass clippings to use on your gardens. …
- Weeds. …
- Kitchen Scraps. …
- Manure. …
- Tree Leaves.
- Coffee Grounds. …
- Eggshells. …
- Banana Peels.
Where do ferns grow best?
Woodland ferns do best in high or dappled shade. The open shade of mature trees or the north side of the house or a wall, open to the sky, provide nearly ideal light conditions. Most woodland ferns will adapt to relatively low light levels, but no ferns thrive in deep shade.
How do you take care of outdoor ferns?
- Water ferns regularly to avoid dry soil. You never want sopping wet soil, but consistently keeping the top five inches of your soil moist is the key to a healthy fern. …
- Fertilize as needed. …
- Monitor for pests.
How do you take care of potted ferns?
- 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.
How long can ferns live?
Lifespan of fern depends on the species. Some types of ferns can live up to 100 years.
Is vinegar good for plants?
Though vinegar can be fatal to many common plants, others, like rhododendrons, hydrangeas and gardenias, thrive on acidity which makes a bit of vinegar the best pick-me-up. Combine one cup of plain white vinegar with a gallon of water and use the next time you water these plants to see some amazing results.