What causes this behavior? 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. My coleus plant is wilting and the base is turning black.? Coleus plants make a beautiful addition to any garden. 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. Colors contrasts in the mottled foliage often are more intense in bright light. However, they do attract certain pests that can cause damage. 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. Gardeners often turn these plants into standards. This is an indoor potted plant. But watch out, coleus plants will wilt if you don't care for them properly. Chances are, your garden is suffering from root and stem rot. Here are some tips to prevent your coleus from wilting. 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. However, they do attract certain pests that can cause damage. Moist soil is essential for a healthy Coleus, but this is not the same as wet soil which will These types of garden rot is caused by one of two issues. You take steps to correct the watering issue, but the plants don’t bounce back. Leaf fall . Stem rot . Coleus can be added to beds and borders for interest or grown in containers. 1. 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. They can also be propagated by seed indoors about 8-10 weeks prior to your last expected spring frost. Coleus Problems. I´m so sad. A disease that is commonly confused with black root rot is Pythium root rot. Combine this foliage plant with other annual flowers for a spectacular display all summer long. It’s easy and affordable to turn one coleus plant into many by taking stem cuttings. The coleus plant is vibrantly colored and can be used as either a ground covering, a border, or trained to grow up a trellis. Several things can cause the leaves on the Coleus to drop off suddenly. One branch is fine, but it branches off the main stem, which is black and rotting, so I … 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. Q. Coleus Plant - The leaf edges and tips sometimes turn black and curl. Today the main stalk is black, and there is only two secondary stalks that are not black. In fact, the plants root so easily that you can even start cuttings in a glass of water. Grow it in partial shade to full sun. The leaves are still green, just wilted. The many different colors of coleus make it an attractive plant for many gardeners. Use a sharp, clean knife to cut off a two- to six-inch section of stem. This is normally a result of not watering enough, cool draughts or cold temperatures in general. ... Coleus will eventually produce woody stems. Black Dragon. Coleus ‘Black Prince’ The coleus is one of the most widespread species and most popular when it comes to choosing striking foliage plants for the garden. I´m definitively cutting them and trying to rescue them. So you may have overwatered your plants once or twice. Splotched sun-tolerant coleus is easy to grow if it has plenty of warmth and moisture. Trim the stem a half-inch below the bottom-most leaves and remove those leaves. Start with a healthy, disease-free plant. However, Pythium initially attacks the root tips, causing a soft brown rot as it progresses down the root. You can pinch out the side shoots and support the stem with a stake. 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