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Warm summer days are wonderful for us, but for ferns, high temperatures can be quite a challenge. These lush, green plants are naturally accustomed to moist, sheltered spots in forests or tropical regions. When the thermometer rises, their roots dry out faster, and their fronds can burn. Fortunately, with the right care, you can keep both your outdoor ferns and indoor ferns healthy and beautiful. Why ferns struggle in the heat Ferns love consistent moisture, both in the soil and in the air. However, during warm and dry periods, three things happen that can cause stress: The sun evaporates moisture from the soil more quickly, causing the roots to dry out. Strong sunlight can damage fronds, leaving yellow or brown spots. Dry air (outdoors from heat, indoors from air conditioning) causes the fronds to dry out, making them turn brown and curl more quickly. By keeping these factors in mind, you can prevent most problems. Outdoor ferns in summer Outdoor ferns, such as Dryopteris , Athyrium , or tree ferns ( Cyathea  and Dicksonia ), can handle a warm summer day quite well. However, when temperatures rise above 25°C (77°F), they need some extra attention. 1. Provide shade Ferns naturally grow beneath the canopy of trees, where they receive filtered light. Make sure they are placed in a spot with morning sun or dappled daylight, but protected from the intense midday sun. Is your fern in a border that’s too sunny? Consider using a shade cloth during the hottest days. 2. Smart watering In warm weather, it’s better to water twice a day in smaller amounts (early in the morning and late in the evening). Keep the soil consistently moist , but avoid letting the roots sit in standing water – this can cause root rot. A drip irrigation system in the garden can be ideal for providing a steady, gentle supply of moisture. 3. Protect the soil with mulch A layer of bark, compost, or leaves around the base of the fern helps retain moisture and protects the roots from extreme heat. 4. Protect the fronds For some varieties, such as tree ferns, you can gently mist the fronds on hot days. Do this preferably in the early morning so the foliage has time to dry before the sun is directly overhead. Indoor ferns in warm temperatures Indoors, temperatures can rise quickly due to sunlight and heat coming through windows. Indoor ferns, such as Nephrolepis  (Boston fern), Asplenium  (bird’s nest fern), or Adiantum  (maidenhair fern), enjoy warmth but thrive best in high humidity. 1. Shelter from direct sunlight Direct sunlight can scorch the leaves. Place your fern about a metre away from the window, or use a sheer curtain to filter the light. 2. Increase humidity Place a shallow dish of water nearby or use a humidifier . Group plants together : as they release moisture, they naturally raise the humidity in the surrounding air. Lightly mist the foliage from time to time, but avoid the centre of the plant to prevent mould growth. 3. Check the potting soil more often Warm indoor air causes the soil to dry out more quickly. Insert your finger 2–3 cm into the soil: if it feels dry, it’s time to water. 4. Watch out for air conditioning and fans Do not place your fern directly in the airflow. This will dry out the fronds and can cause brown edges. Rainwater: the bonus for healthy ferns Ferns prefer soft water. Tap water often contains lime (calcium), which can cause leaf damage or discoloration over time. Rainwater is perfect: it’s softer, natural, and usually just the right temperature. Conclusion With a little extra care during hot days, your ferns will stay beautifully green and healthy. Keep their natural preferences in mind: filtered light, consistent moisture, and protection from extreme heat. This way, you can create a little tropical forest feeling in your garden or living room even in the middle of summer.

The Cyathea medullaris  is a striking tree fern known for its dark trunk and large, elegant fronds. In this blog, you'll learn more about its origin, appearance, and how to care for it properly. Where does Cyathea medullaris come from? This tree fern is native to New Zealand  and several Pacific islands, including Fiji and Samoa . In New Zealand, it's commonly known as mamaku , a name from the Māori language. It grows in moist forests with a mild, humid climate. In the wild, these plants can grow very large — up to 15 to 20 meters  tall. What does it look like? Cyathea medullaris has a straight, dark trunk, often almost black in color. That’s why it's also known in English as the black tree fern . Its fronds are bright green and can grow several meters long. They spread out gracefully from the top of the trunk, giving the plant a lush, almost tropical appearance. Like many ferns, young fronds slowly unroll from the center of the plant. Care tips Cyathea medullaris does have some specific needs in order to grow well. Here are a few key tips: Water : Keep the soil consistently moist, but not soggy. Never let the roots dry out, especially in summer. It’s better to water more frequently in smaller amounts than to soak it all at once. Humidity : This fern loves high humidity. Indoors, mist it regularly or use a humidifier Light : Place it in a spot with bright, indirect light. Outdoors, it prefers partial shade. Temperature : This fern is semi-hardy . Protect it from frost, especially when it's still young. An unheated greenhouse or sheltered outdoor spot is ideal. Soil : Use rich, well-draining potting soil. Adding bark or perlite can help improve drainage and aeration. Did you know... The trunk isn’t a real tree trunk? What looks like a trunk is actually a mass of old leaf bases and roots. It’s not made of wood like a regular tree. Young fronds curl into a ‘koru’? This spiral shape is called a koru  in Māori. It symbolizes new life, growth, and harmony — and is a common design in New Zealand art and tattoos. It’s a prehistoric species? Tree ferns like the Cyathea medullaris have existed since the time of the dinosaurs, making them true living fossils . Now available in size S Excited to add one to your collection? The Cyathea medullaris is now available in size S  in our webshop — perfect for a greenhouse, conservatory, or a sheltered spot in the garden. Cyathea medullaris size S

When is the Best Time to Plant Ferns in Your Garden? Ferns are beautiful, atmospheric plants that give your garden a lush and natural look. But when is the best time to plant them? And what should you consider to ensure they grow well? In this blog, we provide the best tips for planting and caring for ferns in your garden. The Best Time to Plant Ferns The ideal time to plant ferns in the garden is early spring or autumn. During these periods, the soil is still moist and not too warm, allowing for good root development before summer heat or winter cold sets in. Spring (March - May):  Once the risk of severe frost has passed, ferns can be planted. They will have enough time to establish their roots before summer begins. Autumn (September - November):  The soil is still warm from summer, and there is often more rainfall, which helps the plants establish. Make sure not to plant them too late, so they have time to root before winter. Tips for Planting Ferns Want to give your ferns the best start? Keep these essential tips in mind: Choose the Right Location Most ferns thrive in shade or partial shade with moist, well-draining soil. Plant them under trees, along fences, or in a woodland border. Prepare the Soil Well Ferns grow best in humus-rich, moist soil. Add compost or leaf mold to improve soil structure and retain moisture. Keep the Soil Moist Especially in the first weeks after planting, it is crucial to keep the soil moist. Water regularly, particularly during dry periods. Check Winter Hardiness Some ferns are evergreen and tolerate cold well, such as the male fern ( Dryopteris filix-mas ). Other species, like the tree fern ( Dicksonia antarctica ), need extra winter protection. Cover them with a layer of leaves or fleece. Combine with Other Shade Plants Ferns pair beautifully with hostas, hellebores, and shade-loving ground covers like creeping bugle ( Ajuga reptans ). This creates a lush, natural-looking garden. Conclusion Want to plant ferns in your garden? Choose spring or autumn, ensure moist and humus-rich soil, and give them a sheltered spot in (partial) shade. With these tips, you can enjoy a thriving fern garden! Good luck planting your ferns!

Naast varens verkoopt Plantje van Mandje ook andere planten. Onder andere Monstera en Chlorophytum. 'Cuttings' On this page you will find small ferns that have just come out of the tray, and have therefore not yet been potted. Cutting box 3 x Cyathea cooperi 'Highland Lace' Price €17.50 Add to Cart Popular Cutting box with 3 types of tree ferns Price €17.50 Compound Add to Cart

Op de pagina 'verzorgingstips' van Plantje van Mandje lees je alles over de verzorging van jouw varen. Caring tips One fern needs a little more attention than the other fern. For example, the blue fern (Phlebodium) is one of the 'easy' ferns, while the maidenhair fern (Adiantum) is one of the more difficult ones. Still, the same rules generally apply when caring for ferns. Below you can read a number of tips! Water This is a very important point in the care of your fern. Ferns may not dry out at all. So check now and then whether the potting soil is slightly moist. Isn't this the case? Then water your fern from below, for example by placing it in a bucket with a small layer of water. This way your plant will absorb the right amount of water itself and you will avoid giving too much. Light In the house it is best to place a fern in a light spot, but not in full sun. In full sun the leaves will turn yellow and you even have a chance that the leaves will burn. Place it near a window so that it gets enough light during the day. A spot with indirect sunlight is best. Location Ferns often grow in nature in tropical rainforests. A fern therefore loves high humidity. A bathroom or kitchen is an ideal place. But they will also do well in the living room or bedroom. Find a spot where the fern is not in direct sunlight. Tropical ferns, or inland ferns, need a temperature above 15 degrees. Feeding: From spring the fern consumes a lot of energy by making new leaves. Therefore, give plant food once a month from spring to autumn. This is no longer necessary in winter. Then the plant is in rest mode and there is a good chance that you are giving an overdose of nutrition. This can be harmful to the fern. Due to acidification, the roots can no longer absorb water and nutrients and will die. Repotting: Is your fern getting too big for the nursery pot? Then March is a suitable month to repot your fern. Use a pot that is about 20% larger than the current pot. One fern grows faster than the other. An Adiantum (maiden hair) will grow much faster than, for example, an Asplenium. Maintenance: Cut away brown/damaged leaves to give new leaves more space and energy to develop. In addition, you get a beautiful, fuller plant in return. Did you know? Fern can reduce complaints such as headaches and dry skin? Ferns release a lot of moisture and have air-purifying properties. You not only take care of the ferns, the ferns also take care of you!

De tijdsduur van uw verzending en verzendkosten bij het bestellen van varens bij Plantje van Mandje Shipping and shipping costs On this page you will find information about the shipment of packages, shipping costs and the delivery time. 1 Shipment Plantje van Mandje packages are sent via PostNL with a track and trace code. All plants are packed as carefully as possible to minimize the risk of damage. 2 Shipping costs The shipping costs of a package including VAT within the Netherlands are €6.95. This is PostNL's standard rate. For Belgium, Germany, Luxembourg and France this amounts to €11.50. The costs for Denmark, Italy, Spain, Austria and Poland are €25.00. The costs for other EU countries are €35.00. Shipping is free for orders from the Netherlands or Belgium above €75. 3 Delivery time Keep in mind that Plantje van Mandje is a one-man business and not all orders can be shipped the same day. Every effort is made to post packages as quickly as possible. The aim is to deliver the packages to a PostNL point within 1-2 working days. Depending on how busy PostNL is, it takes about 1-3 working days before you receive your package. For addresses outside the Netherlands, 2-5 working days applies. 4 Damage Did the package arrive damaged? See this page to find out what you can do about this and how to report damage.