Eventually, in its later stages, the disease causes plant foliage to die back. Leopard plant is evergreen in USDA plant hardiness zones 7 through 10, but the plant dies down if temperatures drop below 30 F. (-1 C.). Herein, why is my leopard lily dying? Growing a Leopard Plant. Also have 'Crispata' and the Spotted Leopard Plant. Many different problems can cause dieffenbachia leaves to turn yellow, including disease, insect infestations and cultural problems. If you disturb the root ball by digging and moving the plant abruptly from one setting to another, expect the leaves to turn yellow and even fall off. On trees and other woody plant life, a surefire sign of bacterial blight is an oozing wound from which sap seeps out. As gardeners we are always on the lookout for that plant that will create an impact in the garden. Daisy-like yellow flowers bloom on tall, branched stems. Plus, get steps to help treat your ailing palm tree. This change is usually short-lived and goes away after the plant has properly adapted to its new environment. After adjusting to its new home and roots become established, the plant should put out you, green leaves. All are doing great so far over the past three years. Another sign of the disease is black marks on twigs or branches. Good ventilation and careful watering is recommended. If Lorraine’s palm problem sounds familiar, read on to learn why palm leaves turn yellow (specifically queen or majesty palms). Tall plants with showy flowers and large leaves fit the bill quite nicely and one of the best plant group that encompasses this description are the Ligularia.. When a plant is grown in high-humidity and then moved to a person’s home or office where there is less humidity, the change can affect the plant and make its leaves turn yellow. Dark brown spots with yellow rings are also a symptom of bacterial blight. Unless exposed to a hard freeze, the leaves will regrow in spring. I’m pretty new to keeping houseplants and thought I was doing all the right things but he doesn’t seem happy.. any help/ advice please? Shock can cause leaves to yellow. When mass planted, leopard plants make great groundcovers for a woodland garden. Water, whether too much or too little, can cause peace lilies to wilt and the leaf edges to turn yellow or brown. My Leopard Lily leaves are turning yellow!? When we hear the word evergreen, we automatically think of those prickly plants, shining green amid a sea of snow. The Lowdown on Palm Trees with Yellow Leaves. Click to see full answer. These infections are generally the result of fungi either from decaying plant matter or from airborne spores and high humidity. Exposure to direct light can cause the leaves to turn yellow; showing a burnt appearance. Also called the dumbcane plant, the dieffenbachia is a houseplant that grows up to 6 feet tall and 3 feet wide. Allow the plant to dry out, placing in a sunny location, if necessary. Thick leaves reach up to 18 inches across and provide an interesting display when massed under trees, in a shady border or Giant Leopard Plant The dieffenbachia is beloved for its large, tropical leaves and easy adaptation to indoor environments. There are some 150 species in the genus Ligularia, most native to the Himalayan region, China and Japan. Light, water and fertilizer can all be a factor in the browning of peace lily leaves. Hi Carol - I have a very nice Giant Leopard Plant (Farfugium) growing in my backyard. John is right, black spots could be indicative of a fungal problem due to water standing on the leaves for too long. Powdery mildew – Powdery mildew leaves a white powder-like coating on all parts of the plant. Another sign of bacterial blight is an oozing wound from which sap seeps out to help treat your palm. Factor in the browning of peace lily leaves out you, green leaves, the plant should put you! 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