Source: Merce. I have 2 Calathea roseopictas. I … Dark and light green stripes alternate on each, and the bottom of the leaf has a red tint. If the top 2” of the soil become dry then your plant is ready to be watered. Brown leaf tips: Most likely cause is dry air and a need for higher humidity. If you notice this, you need to change the location of the pot. I have several calathea plants as an indoor plant, but my calathea white star gets the most trouble, it has dots on the surface of its leaves and it doesn't look as healthy as I adopted it the first time. These plants are … Figure 2. Calathea makoyana. If the leaves on your Calathea zebrina turn yellow, it’s a sign that it’s not getting adequate water. These are all different types of plant species but closely related and require mostly similar care. Calathea Care Guide Light. Then today I noticed there are a few yellowing leaves that are washed out. Prayer plants are plants that belong to the Marantaceae family, which includes, amongst others, the Maranta, Calathea, and Ctenanthe plants. A place for calathea lovers to share all their favorite things about this beautiful species and to encourage and help one another make our special plants thrive. Disease and Pest Resistance. Calathea insignis, also called Rattlesnake plant, is a bushy species with narrow, tapering erect foliage, wavy at the margins, yellow green with lateral ovals, alternately large and small, of dark green.The underside is maroon. 10. CALATHEA. Removing yellowed or browned outer leaves regularly improves the appearance of your calathea plant. 2. They may have a yellow edge but this is not common. If spider mites are there for some time you will see some discoloration or yellowish spots on the leaves. What a plant, grown for beautifully patterned leaves. Eternal Flame’s ruffled lance-shaped dark green leaves retain their color for long and look magnificent with yellow flowers! Other leaves had black spots. Please let me know what I … However, if most leaves become yellow, it is usually a sign of over-watering. One of the 2 has lost half it's leaves. See a picture of Leaf Spot disease and learn how to prevent leaf spot disease from attacking your plants., the attacking fungus or bacteria leaves brown spots trimmed in yellow where it is feeding on the leaves. However my initial assessment was very similar to OP (kimiko84); I did notice spots of sticky juice on the underside of the leaves but I did not notice any pest. Those plant leaf spots are caused by one of nature’s most basic organisms: a fungus. Reply from Kathy C . They will not collapse immediately under pressure, such as being stepped on or closely surrounded by other objects. These spots soon yellow and spread, eventually becoming tan areas with yellow halos. Calathea prefer soil that is consistently evenly moist at all times but not soggy. If leaf edges begin to curl or brown, mist them with lukewarm water on a regular basis, or place a humidifier nearby. This fungus takes hold when plants are chronically over-irrigated and leaves frequently are covered in standing water. Wed Jul 12, 2017 5:07 pm. Hello! Plants with Spotted Leaves. A week passed and the spot didn’t come back. Helminthosporium leaf spot is a fungal disease that causes small, water-soaked spots to appear on prayer plant leaves. Older leaves with severe infections become brittle and eventually fold or curl up due to extensive damage to the leaf lamina. Although some call it cathedral windows and some call it the peacock plant, there's little chance of anyone calling Calathea makoyana boring. Leaves are paddle-shaped, some have impressive toothed or wavy margins combined with contrasting light and dark markings. The brightly-colored green and yellow leafy foliage of this Calathea species add aesthetic appeal to rooms, offices, and any indoor space. A North facing windowsill would be the first choice here, but any other situation will be acceptable providing you can provide shielding from the direct sunlight these places would receive at some point during the day. Symptoms of Pseudomonas leaf spot (P. cichorii) are characterized by water-soaked spots that turn dark green to black. When I went on to google what it was, one pest that seems to leave a sticky residue was the scale bug. In the evening, the leaves of prayer plants fold upright at the base of the stem, as if the plant is folding its leaves upward to pray. Also, is the pot sitting in a saucer? The other still has most. The last week or so I noticed there have been some dried up leaves on the bottom of the plant. Yellow leaves. Image source 3. As your plant grows older, leaves will change the color from green to yellow. The various varieties have leaves with a purple undersides and various vibrant colorful patterns on the top side. Indoors, a calathea is a table plant or short bush that … Potential Problems. No direct sunlight for Calathea's otherwise you will lose the markings. Flowers are not a feature of these plants; the leaves are the show stoppers! Hi Calathea Lovers, I just discovered the same thing on my "Calathea Makoyana". We can apply bactericide 1 time per 3 days to fix this. Early symptoms of bacterial leaf spot on artificially inoculated Calathea variegata. 2.4k Calathea lovers It won’t happen all at once, and you will spot only a few leaves changing color. Some Calathea have lurid pink or red markings as if to say 'Look at me!' It thrives well in bright indirect sunlight, also exposure to several hours of bright morning sun is beneficial. As plants mature and leaves age, it is common for some of the outer leaves to yellow or brown. On the other hand very dark spots need to be given a miss as well. These plants absorb moisture through their wide leaves; if the air dries up, the leaves will start to curl and yellow. Hey again everyone, I have a calathea (species w/dark green leaves, pink pinstripes, purple undersides) which has grown wonderfully for months but began looking troubled a little while ago. Fusarium spot can be caused when Calathea are in a place with bad air movement and not enough light. My wife brought a calathea a month back and it was beautiful. Veitch reaches 90 cm in height. What can help this problem is to re-pot the plant into a self-watering container. I would try misting and/or a pebble tray to increase humidity. Spotted leaves occur when fungal spores in the air find a warm, wet, plant surface to cling to. Sprinkling large drops of water over the plant can cause brown spot where the water droplets remain on the leaves for any length of time. Is it Calathea-yellowing lower leaves. How to Remove Dead Dry Leaves on a Calathea Makoyana. Named because of its peacock tail-like patterned leaves, this plant has pink or red-tinted stems. This process is natural and isn’t a sign of a problem. Low Humidity Is A Very Common Cause Of Calathea Leaf Curling. Praying Marantas or Curling Calathea. While prayer plants and Calatheas both have strikingly variegated leaves, prayer plants have an another trait, and they don’t share this one with Calatheas. The unusual mosaic patterns on Calathea musaica are why this easy-to-care-for evergreen plant is called the network plant. I keep the soil moist and only use distilled water. Like many tropical indoor plants, your Calathea Zebra prefers a spot with ample humidity. Humidity is essential for a healthy calathea. Fungal leaf spot can be found in your outdoor garden as well as on your houseplant. Calathea musaica is a popular tropical houseplant with intricate patterns on glossy green leaves. 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