The small, deeply-lobed leaves have an almost velvet-like appearance, and this cultivar tops out at just 10 to 12 inches tall, with a similar spread. ... Coleus will eventually produce woody stems. Then you start to see the leaves getting dull, turning yellow, and looking rather sick. Coleus is probably one of the easiest plants to grow and propagate. The coleus ‘Black Prince’ can be grown for its unusual solid black foliage and small flowers, either as a perennial in warm subtropical or tropical regions or as an annual in temperates. You take steps to correct the watering issue, but the plants don’t bounce back. Root and stem rot – Both root rot and stem rot can be associated with fungus, due mostly to overly wet soil from poor drainage or overwatering. Splotched sun-tolerant coleus is easy to grow if it has plenty of warmth and moisture. This is normally a result of not watering enough, cool draughts or cold temperatures in general. In fact, the plants root so easily that you can even start cuttings in a glass of water. It´s next to all my other plants (spider, other coleus, peace lily, pothos, bromeliads, croton) and with the exception of the white coleus, this is the only one that is dying. It’s easy and affordable to turn one coleus plant into many by taking stem cuttings. Here are some tips to prevent your coleus from wilting. These types of garden rot is caused by one of two issues. The many different colors of coleus make it an attractive plant for many gardeners. Today the main stalk is black, and there is only two secondary stalks that are not black. 1. The leaves are still green, just wilted. Coleus can be added to beds and borders for interest or grown in containers. Start with a healthy, disease-free plant. Grow it in partial shade to full sun. Moist soil is essential for a healthy Coleus, but this is not the same as wet soil which will Q. Coleus Plant - The leaf edges and tips sometimes turn black and curl. They can also be propagated by seed indoors about 8-10 weeks prior to your last expected spring frost. Chances are, your garden is suffering from root and stem rot. Trim the stem a half-inch below the bottom-most leaves and remove those leaves. So you may have overwatered your plants once or twice. This is an indoor potted plant. I´m definitively cutting them and trying to rescue them. Black Dragon. However, they do attract certain pests that can cause damage. Several things can cause the leaves on the Coleus to drop off suddenly. However, Pythium initially attacks the root tips, causing a soft brown rot as it progresses down the root. Both the roots and stem become soft, turn brown/black, wilt and die. You can pinch out the side shoots and support the stem with a stake. Sometimes black lesions can extend into the crown and on the plant stem near the soil line causing stems to be necrotic and soft and leaves to wilt. I´m so sad. However, they do attract certain pests that can cause damage. A disease that is commonly confused with black root rot is Pythium root rot. My coleus plant is wilting and the base is turning black.? Leaf fall . Colors contrasts in the mottled foliage often are more intense in bright light. But watch out, coleus plants will wilt if you don't care for them properly. Stem rot . Use a sharp, clean knife to cut off a two- to six-inch section of stem. The coleus plant is vibrantly colored and can be used as either a ground covering, a border, or trained to grow up a trellis. With midnight-purple foliage, tinged with just a hint of red, and a compact growth habit, ‘Black Dragon’ makes a dramatic impact in beds, borders, and containers. Combine this foliage plant with other annual flowers for a spectacular display all summer long. 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