Alocasias are sometimes described as low-light plants since they naturally grow in tropical shade, but forest shade is quite bright compared to most indoor conditions. Home / Shop / Plants / Big Leaves / Alocasia macrorrhiza. Your email address will not be published. That’s because it contains calcium oxalates which are toxic to humans and animals. So try to find out whether you are giving too much or too little water. Water: Keep the compost moist with warm water. When you search for the cause of your Alocasia’s yellow leaves, don’t overlook simple aging. Similarly, you want to consider what kind of water you use. Once an Alocasia leaf starts to turn yellow, it will not return to being green. Remember that some Alocasias like to be drier between waterings, while others like evenly moist soil. While this will give you the best results, it can tolerate temperatures between 50 and 90 degrees. So, you want to give it some kind of shade or indirect light for the best results. Top Tips; Location, Water, Humidity & Fertilisation; Common Issues; Origins, Temperature, Propagation, Repotting & Toxicity. I’m here to share my experience and help you have more success and enjoyment growing plants. If you can read it, the light is enough. As such, overwatering is its number one enemy. Check the plant and repeat the treatment every four to six days until the infestation has been eradicated. Here, you can use regular houseplant fertilizer or a general purples fertilizer. A dormant Alocasia will normally produce new growth after a few months. Why are my Alocasia leaves turning yellow? The solution must contact the pests to kill them. Description. Home / Shop / Plants / Big Leaves / Alocasia macrorrhiza. Alocasia Borneo Giant has been thought to be a strain or form of Macrorrhiza, they can easily be told apart once mature. As such, overhead light is best as it allows for balanced, upright growth. Alocasia plants are tuberous, which means they sprout from a central rhizome. Even a leaf that is partially yellow can still be providing energy for the plant and removing it too early can do more harm than good. Make sure to use room temperature or lukewarm water when watering the soil. However, too much direct sunlight, cold drafts, pest infestation, or a lack of nutrients can also be to blame for yellow Alocasia leaves. Little and often is a good approach. Yellow leaves are the classic symptom of overwatering. More light also helps water evaporate faster. The exception to this is when yellow Alocasia leaves are caused by a disease. Replant the parent plant. A smaller-growing form is called Alocasia Poly or Polly. Typical Alocasias like a soil made with potting mix with aerating amendments added to give the medium a lofty, open structure. They are grown as ornamentals for their large heart-shaped or arrowhead-shaped leaves, sometimes called African Masks or Elephant's Ears. “Elephant ears” is the common name for a group of tropical perennial plants grown for their large, heart-shaped leaves. The leaves of the A macrorrhiza always point up and hence the name, Upright Elephant Ear. Hi all! Alocasia macrorrhiza (Big Taro) Big leaves seem to be an adaptation to low light levels and are often seen in plants that inhabit forest floors. This is a large plant reaching 12 to 15 feet high and covering about 6 to 8 feet wide. Like many people, I was seduced by the dark green, glossy leaves with sharply contrasting veins, as well as by the striking shape and form of the leaves. Some varieties want more light or water than other species. 20% Off! The problem is, and this is also true in our specific case here with the Alocasia Polly, that this is a sign of either too much or too little water. This article is going to explain why your Alocasia leaves are turning yellow and help you to fix your plant. Since the plant can be finicky to keep in a temperate zone, yellow leaves are a common problem. Alocasia x amazonica care is not insurmountable by any means once you understand it. Make sure that the top part of the soil is dry before you water it again. It’s also important to keep the temperature from fluctuating too rapidly or widely. The alocasia macrorrhiza can be propagated from seed, stem cutting and division. But it will tolerate medium to slightly lower humidity. Make sure that the top part of the soil is dry before you water it again. If you think the plant is overwatered, check the roots for rot. The plant’s roots are also sensitive to chemicals. This allows it to sustain is size, large leaves and fast growth. Hi all! Alocasia, also known as African mask plant or Kris plant, is known for its large, heart-shaped leaves with attractive contrasting veins. The most common cause of Alocasia leaves turning yellow is overwatering. The plant isn’t frost tolerant and suffers as temperatures fall below 55ºF (13ºC). If you’re seeing pale or lackluster growth and the plant is in moderate light, consider moving it to a brighter location or adding a grow light. Alocasias prefer moist soil but can easily be overwatered. Gently unpot the plant and inspect the roots: they should be firm, white, and earthy-smelling. Alocasia macrorrhizos (also ‘macrorrhiza’) ‘Lutea’ or ‘Solid Gold’ is a giant Alocasia, easily growing to 2 metres high in good tropical conditions. It can take urban pollution so you can do this safely even if you live in the city. Watch the foliage carefully in the weeks after application. This plant has a wide range of pharmacological effects, and has potential anti-tumor activity (Lei et al. Why are the leaves on my Alocasia Polly turning yellow? how many you get will depend on how many new plants you want. Out of stock - Click to be notified. Alocasia cucullata 'Yellow Tail' is a quirky little elephant ear that has fared very well in our garden trials since 2002. Neutral: On Apr 22, 2003, PlanterRik from Birmingham, AL (Zone 7b) wrote: There are many aroids that are similar in appearance. You are probably overwatering your plant. Do not allow the soil to dry out. Alocasia macrorrhiza, leaves pointing up. An Alocasia's mushy stem is also a sign of cold damage. The most common cause of yellowing leaves among Alocasia plants is improper soil moisture–in particular, overwatering. The leaves are evergreen, arrow-shaped to shield-like, simple with slightly wavy margins and prominent veins, up to 3 feet in length. Little and often is a good approach. Plants designated with a sku ending in -4, -6 or -8 will arrive in a standard 4 inch, 6 inch or 8 inch round growers pot respectively. 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