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Tree ferns instantly bring a tropical, jungle-like atmosphere to your garden. However, after a cold winter, they often need a bit of help to get back into full growth. With the right care in spring and early summer, you can help your tree fern become strong, green, and full of new growth again. In this blog, you’ll learn step by step how to prepare your tree fern for summer, which mistakes to avoid, and how to ensure it performs at its best throughout the entire growing season. When should you start preparing your tree fern for summer? Timing is crucial. In the Netherlands, you can usually start spring care from April to early May, once the risk of heavy night frost has passed. Tree ferns such as Dicksonia antarctica and Cyathea cooperi are sensitive to cold, especially in the growing point (the “crown” of the plant). Important: It’s better to start a little too late than too early Always check the weather forecast Only remove winter protection when conditions are consistently mild Removing winter protection: do it gradually Many tree ferns have spent the winter protected with materials such as fleece, straw, or jute wrapped around the trunk and crown. This protection is essential to prevent frost damage. However: never remove it all at once. Here’s the right approach: Start ventilating on warm days Remove the outer layers of protection first Keep the crown covered during cold nights Only remove everything once the weather is stable The crown is the most vulnerable part of the tree fern. Damage here often means the plant will need a long time to recover. Check whether your tree fern has survived the winter well After winter, it’s a good idea to carefully inspect how your tree fern is doing. Pay attention to: Are the fronds completely brown? Is the trunk still firm and solid? Does the crown still look green or moist? Brown fronds do not always mean the plant is dead. Tree ferns can often recover from the crown if it is still healthy. If in doubt: give the plant time. Tree ferns are slow, but very resilient. Removing old fronds to encourage new growth In spring, you can remove old or damaged fronds. This helps the plant direct its energy toward fresh new growth. How to do it: Only cut away fully brown or dead fronds Leave partially green fronds in place (they are still providing energy) Use a sharp, clean pair of pruning shears This not only makes your tree fern look tidier, but also helps it enter the growing season stronger. Watering: the most important summer tip Tree ferns love moisture. As temperatures rise, their water requirements increase significantly. Especially species such as Dicksonia antarctica need a consistently moist environment. Key rules: Keep the trunk slightly moist at all times Water small amounts more often rather than one large soak Check more frequently during hot or windy weather Prevent the root ball from drying out completely A dry tree fern recovers slowly, so consistency is more important than quantity. Summer placement: light but no harsh sun In summer, the sun can be surprisingly strong. Tree ferns are naturally adapted to filtered light in their native habitat. Ideal placement: Partial shade to light shade Morning sun is fine, but avoid strong afternoon sun Sheltered from strong winds Too much direct sunlight can lead to: brown fronds drying out of the trunk stunted growth Feeding for a strong growth boost In spring and summer, you can give your tree fern some extra nutrients to encourage new frond growth. Tips: Use organic plant feed or a special fern fertiliser Start in April/May Repeat every 4–6 weeks during the growing season Avoid overfeeding (tree ferns are sensitive) A healthy tree fern will produce fresh new fronds in summer that are often larger and fuller than in the previous season. Common mistakes in spring and summer Many problems with tree ferns don’t actually occur in winter, but during the transition into the growing season. Avoid these mistakes: Removing winter protection too early Exposing the plant to full sun too quickly Letting the root ball dry out during warm periods Ignoring the effects of wind Pruning too aggressively The combination of sun and drought is especially harmful to new growth. Conclusion Preparing your tree fern for summer is mainly about timing, patience, and consistency. Not too early, not too dry, and not too much direct sunlight. Species such as Dicksonia antarctica and Cyathea cooperi can thrive for many years in Dutch gardens, as long as they are properly restarted each spring. With the right care, your tree fern will become a true summer showpiece with a tropical look — exactly what completes a jungle-style garden.

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

Bekijk ons aanbiedingsassortiment aan kamerplanten en tuinplanten voor varens nu bij onze Sale. Het aanbod verschilt tussen binnenvarens, buitenvarens en boomvarens. Perfect voor alle seizoenen en om een goedkoop plantje te kopen. Sale On this page you will find offers on our indoor, outdoor and tree ferns. 15% Discount Nephrolepis 'Green Fantasy' (Sword Fern) Regular Price €2.15 Sale Price €1.83 Voeg toe aan mandje 30% Discount Pellaea rotundifolia (Dime fern) Price From €1.26 Voeg toe aan mandje 30% Discount Pteris cretica 'Albolineata' (Wing Fern) Regular Price €2.75 Sale Price €1.93 Voeg toe aan mandje

Het retourbeleid inzake het terugsturen van uw aangekochte varens bij Plantje van Mandje. Return policy Plantje van Mandje The paragraphs below describe the return policy of our webshop. If you want to use the return policy, we recommend that you always contact us. Contact customer service Return policy for Ferns from Plantje van Mandje Thank you for purchasing ferns from Plantje van Mandje. We hope you are satisfied with your purchase. If for any reason you are not completely satisfied with your ferns, we are ready to assist you. Return conditions We do not offer the option of returning purchased ferns, as they are live plants. It is important to share any issues or dissatisfaction with us at plantjevanmandje@gmail.com within 2 days of receiving your ferns. Our customer service will investigate your situation and try to find a suitable solution. Refund: While we do not accept physical fern returns, we want to make sure you are happy with your purchase. If your concerns are justified, we can discuss alternative solutions, such as replacement ferns or a reimbursement of costs. Our goal is to ensure your satisfaction with our ferns and your shopping experience. If you have any questions about our return policy or if you have any problems with your purchase, don't hesitate to contact us at plantjevanmandje@gmail.com . This return policy was last updated on August 22, 2023.

Maak je eigen mini-ecosysteem met een terrarium DIY! Ontdek alles wat je nodig hebt om zelf een groen, onderhoudsarm terrarium te creëren. Boxes On this page you will find various boxes with ferns, ranging from cuttings to surprise boxes. Quick View New Adiantum microphyllum Price €2.15 Quick View Expected in March Pesopteris crassifolia Out of stock Quick View Expected in March Lemmaphyllum microphyllum Out of stock Quick View Expected in March Blechnum chilense Out of stock Quick View New Cutting box 3 types of tree ferns Price €16.99 Quick View Cutting box 3 x Cyathea cooperi Price €15.99 Quick View Cutting box 3 x Dicksonia antarctica Price €15.99 Quick View Platycerium bifurcatum 'Netherlands' Price €14.99 Quick View Coniogramme emeiensis Price €16.99 Quick View Dryopteris carthusiana Out of stock Quick View New Dryopteris dilatata 'Crispa Whiteside' Price €3.99 Quick View New Asplenium oblongifolia Price €2.75 Quick View Expected in February Cibotium schiedei - size S Out of stock Quick View Blechnum tabulare - size S Price €14.99 Quick View Adiantum peruvianum 7 cm pot Price €5.25 Quick View Cyathea medullaris Price €15.99 Quick View Expected in March Microgramma lycopodioides (Lycopodium Fern) Out of stock Quick View Cutting box 3 x Cyathea medullaris Out of stock Quick View Asplenium daucifolium Price From €4.25 Quick View Pyrrosia lingua ‘Cristata’ 7 cm pot Price €7.99 Load More