All Right Reserved. Sanitation and environmental control are extremely important. The following issues are most strongly associated with this symptom: If your plants have mushy stems, it’s a sure sign that you’re overwatering and that your plants are suffering from rot. Location. Once environmental conditions become favorable for the bacteria, disease development and spread occurs. Calathea Roseopicta, or “Calathea Medallion” or “rose painted calathea” I used to have a stunning calathea roseopicta, otherwise known as a calathea medallion or rose painted calathea, sitting on my desk. Calatheas need high humidity to thrive. New foliage should be healthy and eventually replace the old, brown-tipped leaves. This site is maintained by Center for Agriculture, Food and the Environment in the College of Natural Sciences. This problem would be a classic case of low humidity. Water it and mist it regularly. The leaves are glossy, with an entire and wavy margin. There’s a chance the plant is infested by unwelcome visitors! Keep reading to find out some of the common Calathea problems so you can troubleshoot whatever might be affecting your plant. Bacterial pathogens are spread within a greenhouse by splashing water and in the field by wind-driven rain. However, once you figure out what works for your plants, they can be an absolute delight to have in your home. If leaf edges begin to curl or brown up, mist them with lukewarm water on a regular basis, or use a pebble tray. Leopard - stretches upwards by 50 cm. You can feed it every month and groom it properly to remove unwanted materials from the plant. The genus Calathea comprises countless species that come with bright green, violet-suffused leaves that have vividly-contrasting ribs and veins. Extended periods of dryness can result in brown leaf tips or edges. Bacterial diseases of the foliage are highly favored by high relative humidity and prolonged periods of leaf wetness. is characterized by small (less than 1 mm in diameter) lesions which are initially water-soaked. Close. Calatheas have a reputation for being fussy and hard to care for, which is why the genus is not usually recommended for beginners. You can also propagate by separating leaf node cuttings. This isn't a drought-tolerant houseplant, but it is relatively forgiving if you forget to water it from time to time. Depending on what type of Calathea you have, you’ll have to change the amount of light it receives. Calatheas are popular to collect with all the different leaf shapes and patterns. It truly is one of the most striking varieties of calathea, in my opinion. Fungal leaf spot can be found in your outdoor garden as well as on your houseplant. Proper watering is a much bigger factor in ensuring that your Calathea leaves are in great condition. Calathea crocata: This species of calathea has the plainest leaves of the bunch, but boasts beautiful displays of upright orange-red flowers, earning it the nickname "eternal flame." Bacterial leaf spot of Calatheas can be caused by either Pseudomonas cichorii which is fluorescent in culture or another Pseudomonas sp. Calathea infestation If your Calathea’s leaves are showing speckled discoloration or crisping up, drying and browning, you might have to whip out the magnifying glass. However, it’s not easy to grow and care for. There is no wiggle room here. Pseudomonas leaf spot, psuedomonas blight, alternaria leaf spot, helminthosporium leaf spot, fusarium, root rot, cucumber mosaic virus: Types of Calathea. After some time will be able to plant them in the new pot. Here pink is the prevailing shade and the markings are thinner with veins criss crossing the whole length and breadth of the leaf. Water calathea enough to keep it moist, but not wet or saturated. This is completely normal since the leaves fold up during the night, then let loose during the day! Sanitation is the most important disease management principle. Calathea Medallion Flowers. Frequently Asked Questions 5.1 Standard Planter Instructions 5.2 Self Watering Container Instructions 6. If the soil is moist but the leaves are wilting, aerate the soil by poking into it using a chopstick. The bright Medallion leaf can get about 5 to 10 inches in size. This ensures water can reach the roots. Brown edges along the leaves The plant cannot tolerate dry air. Increase the humidity by placing the plant in a more humid room like the bathroom, placing it on a humidity tray (pebbles and a thin layer of water), placing multiple houseplants together or, most effectively, running a humidifier. These spots may vary in shape, color, and size. Learn all about 14 Best Calathea Types!This genus has some of the most stunning varieties for your houseplant collection! Instead opt for a spot where the plant is protected from the sun and where it can receive medium light. What makes this even more frustrating is that they can also indicate that you’re actually overwatering instead! Keep your Calathea Dottie away from drafts and heating systems and make sure it has access to medium indirect light. They are both fungal and result from excessive moisture on the surface of the leaves for longer periods. Calathea zebrina: The so-called zebra plant has green, stripe-like markings on the tops of its leaves, with rich purple undersides. Pseudomonas causes disease on a wide range of vegetable, flowering ornamentals, and foliage plants. It comes in many varieties to choose from, each one of them distinct on their own! Most likely, your plant baby is in a too-shady spot (see my plant with Harvey below). Many people have a love-hate relationship when it comes to Calathea care. Think of it as a bonus. 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