The centre of the sprout is also brown where new leaves should be coming out.   If this is the problem, the plant's top leaves may be the first to go yellow. My corn plants leaves continuously are turning yellow and brown. There is no single cause for such crappy™ looking corn (Nielsen, 2012) and multiple causes may occur in the same field, which makes for challenging diagnoses and frustrating discussions with the grower. Droopy, yellow leaves are a sign it's overwatered and may indicate root rot. reas of light green to yellow, often stunted, corn plants are visible in many corn fields throughout the state at this point in mid-June. Overwatering is the most common cause for Dracaena leaves to turn yellow. Plant leaves may also turn yellow if a plant is not receiving all of the nutrients it requires. Mass cane, more commonly referred to as corn plant, is one of the most widely used indoor dracaenas. Consider the following: Nutrient Deficiency. Why are corn plant (Dracaena fragrans) leaves turning yellow? The other sprout on the same stalk seems to be doing just fine. As for being a phosphorus deficiency that would show purple in the leaves/stems, not yellow, so no need to think about that at this point. The pot is a bit small for it's size perhaps. This article shows you how to care for this plant, especially in situations when the leaves turn brown or yellow. With your corn plant, care should be taken to keep it away from drafts and direct sun, which can cause dry, brown scorch marks the leaves. This can be caused by too much calcium in the water if you're using hard water or by a nitrogen deficiency. All Dracaenas including the Corn Plant are False Palms, with a crown of leaves sitting at the top of their stems, new growth forms at the very tips of these stems and the older leaves at the bottom of the crown will gradually yellow and fall. They lose their crisp, semi-rigid bearing and start feeling soft and limp. Corn is a heavy feeder, and if it is under-watered and left exposed to heavy sun, its leaves can burn, resulting in an unpleasant yellowish-brown color.. To prevent this, make sure you water your corn plants every other day or … This easy-care house plant will tolerate many abuses, but be careful not to over-water or over-fertilize. Like all vegetable crops, corn plants need ample water. A few days ago I noticed some of the leaves turning yellow on the small stalk. Dracaena leaves turn yellow. Native to Africa, the plant prefers warm temperatures and high humidity. It is important to know what is causing your corn plants to turn yellow in order to be able to resolve the issue. If the leaves lose their green color and become pale yellow, overwatering is usually to blame. The best way to save your plant is to hold off watering until the top 2” (5 cm) of soil dries completely. They have since started to turn brown at the base. The mass cane plant, also called Dracaena massangeana or the corn plant (thanks to the shape of its leaves), decorates the insides of many homes with its bright, tropical-looking foliage. Instead of reaching for … Your yellowing of your (former) corn plants could most certainly have been a N deficiency but were they the lower leaves, the newer leaves, was the yellowing severe or was it mottled? I water it once every 3 or 4 weeks and give it a good soak. Too much soil moisture often causes weak, limp leaves and a soft, mushy stem. Nutrient deficiency is one of the most likely causes of your corn plant turning yellow. Under Watering . Yellow lower leaves / leaf drop . Plants bent or twisted; stunted; irregular row of holes in unfolded leaves: Stalk Borer Damage; Corn Billbug; Lesions on leaves: Spots of dead tissue on leaves: Herbicide injury : Oval, circular or rectangular lesions on leaves: Helminthosporium leaf spot : Long, irregular yellow to brown streaks in leaves: Stewart's bacterial leaf blight There are a few causes that will result in your corn plants turning yellow. Leaves of the dracaena lose their green color and turn pale.