If the leaves stay green but curl up, that is a sign of too little light. If the roots are damaged, you will need to repot your plant (see below). 3. The leaves started turning yellow and then brown and curling in the sun (at that point it was sitting in the window itself). The plant was a gift from a friend, and is becoming quite large, growing in a south-facing window where it receives indirect/filtered light. SYMPTOMS: Silver or bronze colored streaks on leaves, which eventually turn brown, dry and crumbly. Trim off yellow leaves; they will not recover. To the naked eye, they look like tiny threads. Bird-of-paradise leaves are huge, measuring up to 18 inches long and 6 inches wide. I have an indoor bird of paradise that sits about 4 feet from a south window. Make sure it isn't too close to a window. I then started watering every 2-3 days. If the leaves turn black and curl up, the plant is probably being kept too cold. Also, I have a bird of paradise that was doing well and now seems to have stopped growing. It is just under a year old and grows like crazy so I was watering it a lot. If the leaves on your Bird of Paradise are curling inward, the cause is most likely also underwatering. If the roots are fine, simply let the plant dry out before watering again. I receive so many questions here, on my videos and via email. Occasionally leaves may turn yellow, then brown. THRIPS. The pests feed by puncturing plants and sucking out the sap inside, creating the streaks. As tropical beauties, bird of paradise plants (Strelitzia spp.) I'm wondering why the leaves on my Bird of Paradise turn brown on the tips and curl. Curling of leaf tips on many different plants often indicates a problem with watering. 7) What causes leaves to curl on bird of paradise? Yellow Leaves. It prefers warm temps like between 65 and 75 degrees. Curling leaves. Bird of paradise is one of the most unique plants American growers can get their hands on these days. To let your plant replenish its moisture, give it a good shower. There is a new leaf that has been there for approximately two months yet does not grow or open, also the one leaf is curling in and turning brown. A Complete Plant Care Guide for your Bird of Paradise Plants. get almost as much attention for their large, paddle-shaped leaves as they do for their exotic blooms.Seeing the normally flat leaves begin to curl is alarming, but in most cases, removing the insects responsible is fairly easy. Learn All About its Watering, Light, Humidity, and Additional Care Requirements. Eye-catching and distinctive, the bird of paradise is a fairly easy tropical plant to grow indoors or out. Although a few lucky gardeners can place bird of paradise out in the garden, by and large, most growers keep them as indoor or patio plants. When they emerge, they are a beautiful light green. I bought this small bird of paradise plant ~2 months ago. Positive: On Nov 18, 2003, suncatcheracres from Old Town, FL wrote: CAUSE: Thrips are minute (less than 1/25 of an inch) insects that can be yellow, brown or black. Recently the bottom leaves have been drooping; the stems are turning brown and … The remarkable foliage is part of the beauty of the plant. I didn't water it enough in the beginning and the leaves began to curl. If your bird of paradise leaves are curling, you need to figure out whether it’s getting too much water or too little.