products containing these active ingredients. Water issues – One of the biggest explanations when African violet leaves are yellow is incorrect watering practices. African violets are susceptible to a number of plant pests. See Table 1 for examples of brands and products. The fungi Pythium species and Phytophthora species can cause this problem, especially when plants are watered excessively, have poor drainage, or are planted too deeply. How to Fix a Droopy African Violet. If this document didn’t answer your questions, please contact HGIC at hgic@clemson.edu or 1-888-656-9988. Blossoms will drop if there is the slightest presence of cooking gas. Stimulates flower production. Here, I share African violet problems I’ve … Use pesticides only according to the directions on the label. Splashing cold water on the plant leaves creates a white or yellow ring where the water falls. African Violet leaves are dull, rusty and excessively hairy in appearance. New leaves are often very hairy, making them appear grayish. Water when soil feels less moist to the touch. Indoor plant care is a skill and part of this skill is learning how to diagnose plant diseases. Heavy infestations are more difficult to control. Mites feed by sucking sap from the plant. Unfavorable environmental conditions such as low temperatures, poor soil aeration, wet soil or excessively dry air contribute to flower failure. Pest Control Spray is a fantastic, all natural remedy for many insect problems. Remove the African violet from the pot if the soil surface is damp. All recommendations for pesticide use are for South Carolina only and were legal at the time of publication, but the status of registration and use patterns are subject to change by action of state and federal regulatory agencies. Even after infestations are controlled, some symptoms will remain. Crown & Root Rot: One of the most serious fungal problems of African violet is usually first noticed when the crown and roots of the plant turn soft and mushy. If you suspect one of your African violets has been infested, immediately isolate it from your other plants. The most common reason African violets don’t bloom is because they aren’t getting enough light. As they feed, they excrete honeydew (a sugary material) that can coat the leaves, making them sticky. "Pests, Pathogens and Cultural Problems Too Much Light, set your timer for less time, and/or move your plant further away from light source. Keep plants away from cold glass and rotate the pot once a week so all leaves receive light. logo, EverFloris, MiniWell, MaxiWell, WaterShip and Watermaid are trademarks photography by: Simply Living NC photography by: Simply Living NC How to Revive & Care For Your Dying African Violet: STEP ONE: Water, Water, Water, water your violets under the water drains through many times. Follow label directions for use and safety of all products. Prevention & Control: Space plants so that they do not touch to prevent the spread of cyclamen mites. I'm having some major issues with training my african violets to grow in the normal doom shape, and I don't know why! of Plant and Environmental Sciences, Clemson UniversityClyde S. Gorsuch, PhD, Emeritus Faculty, Entomology, Clemson University, Joey Williamson, PhD, HGIC Horticulture Extension Agent, Clemson University. One of the most important factors in maintaining a pest free culture is to take care and introduce only pest free plants into your culture. African Violet Problems African violet problems include over or under watering, insects and other diseases. Listed below are some of their common bugaboos and how to solve them. Water Spots: Yellow or white ring and line patterns on African violet leaves can be caused by contact with cold water. To begin diagnosing your African Violet, click on one of the buttons Pesticides to Control Insect Pests & Mites on African Violets. Too much waterwill leave your African Violets susceptible to such deadly pathogens as Pythium, Root Rot and Crown Rot. African violets are easily the most popular flowering houseplants in America. While African violets can be dependable performers, they are not without their problems. Diagnosing an African Violet. Keep your African violet in the four inch pot it came in. More information about African violets is available in the fact sheet HGIC 2250, African Violet Diseases & Insect Pests. Table 1. Dust dirt off the leaves with a small, soft brush. Field Guide are trademarks of Holtkamp Greenhouses, Inc. Optimara, the Optimara Provide better air circulation, and avoid getting the flowers and foliage wet. At each step, you can view the entire Petiole Rot: The symptom of petiole rot is a rust-colored spot that appears where the stem of the leaf touches the pot. Leach out the remaining salts in the soil, by flushing the container with plenty of fresh water. Inspect your African violet for insects and if you find any, treat for the insects appropriately. African Violet leaves become hard, brittle to touch and shiny in appearance. This prevents the infestation from spreading and causing … Take the plant outside during mild temperatures to spray. which either do not appear on the other five areas or are not specific to That’s why you should always keep enough distance between plants so that their leaves don’t touch. Discard severely affected plants. Botrytis Blight Appears as Brown spots or blotches on Leaves and sometimes stems or flowers. African Violet leaves have tiny hairs and a lush green appearance. African violets need a particular type of fertilizer, and our choices for the best plant foods for African Violets ensure your violets are healthy and thriving. Crown & Root Rot: One of the most serious fungal problems of African violet is usually first noticed when the crown and roots of the plant turn soft and mushy. options. whole or in the soil, pot or watering device. Two or three sprays at three day intervals may be required for mite control. Alternatively, soil-applied insecticide granules or plant spikes containing imidacloprid will also control mealybugs. African violets need indirect sunlight, direct can burn the leaves. House plant insect sprays, such as insecticidal soap or pyrethrins are the least toxic insecticides, but sprays with acetamiprid, cyfluthrin, imidacloprid or permethrin will control mealybugs. Under Himid conditions the infected part may be covered with 'Fuzzy' growth The immature nymphs are susceptible, however. African Violet Problems: Pest Prevention & Treatment Preventing Pests. Overwatering can also cause denitrification, a condition which prevents plants from getting the nitrogen they need. The fungi Pythium species and Phytophthora species can cause this problem, especially when plants are watered excessively, have poor drainage, or are planted too deeply. African Violet leaves are smaller in size and stunted in appearance. Join our mailing list to receive the latest updates from HGIC. Select the one which best describes the part of the plant on which leaves in the center of the plant). Two or three sprays at three day intervals may be required. See all of our pest control products here. Younger leaves will appear stunted, black, and will eventually die, whereas the older leaves will droop. (Complete List). Pot and propagate in pasteurized media. A common leaf problem in African violets is water spots on the leaves. African violets are strictly houseplants. Root rot from over watering is one of the most common reasons African violets die. However, there are some giant African Violets out there, with diameters well over a foot. The older leaves droop, and the younger leaves in the center of the plant appear stunted, turn black and die. If ignored, the entire plant or just the center of the plant may die. When using any self-watering system, you MUST use a soil containing at least 50 percent perlite (or similar nonabsorbent material)–most “African violet” soil mixes sold at the local garden center or department store do not have enough (if any). Typically, damage to plants is the first indication of their presence. Avoid over-fertilization of plants, and be sure to use a salt-free source for watering, such as, rainwater. To achieve this a grower must be knowledgeable Where to Plant it. Keep the potting mix moist at all times, but not soggy, and never let your plant sit in water. Copyright 1999-2002 Optimara/Holtkamp Greenhouses, Inc. of International Plant Breeding, A.G., Switzerland. Do not press down on the soil too much. Flower buds may also be stunted and misshapen or even fail to open. Doctor Optimara, the Doctor Optimara logo and Optimara Prevention & Treatment: Prevent disease by always using sterilized potting soil mixes and clean containers when planting. They have soft bodies and are covered with a white waxy material that makes them look cottony. Gently cover the roots /stem of plantlet with soil mix till the leaves just graze the soil or are slightly above the soil. Cyclamen mites (Steneotarsonemus pallidus) are one of the most serious pests of African violets. Keep the leaves dry when watering to avoid this problem. Problems of Violets: Yardener.com. Follow label directions for use and safety of all pesticides. list of problems which may cause the symptoms you have indicated to that Nashville, Tennessee. Choose a north- or east- facing window for best results. Few or No Blooms. ". Mealybugs are about ¼ inch in length. Planting African Violets. Read full article Best Plant Food Overall. Botrytis Blight: Botrytis blight is caused by the fungus Botrytis cinerea and often first appears as small water-soaked lesions on the underside of the leaf. For valuable plants, spray with a miticide that is labeled for use on house plants. Winter is closing in, so it’s time for gardeners to start seeking more visual pleasure from indoor plants, and one steady pretty is the African violet. Three ways to water African violets: Fertilize every 2 weeks with a high phosphorous plant food, but only during the … Isolate infested plants. The African violet grower can often prevent or greatly reduce pest problems by adopting certain practices. Doctor Optimara allows you to progressively input combinations of symptoms in order to zero in on the cause. See more ideas about african violets, african violet care, african. Failure to Flower: African violet flower buds may fail to open, turn brown and fall off. Their popularity arises from the fact that they are easy to grow and can bloom for 10 to 12 months of the year. As such, damage is usually seen there first. Watering is at the root of all African violet drooping leaves' problem. They feed on new growth (i.e. for Aphids, Centipedegrass Yearly Maintenance Program, Bon-Neem Fungicide, Miticide, Insecticide RTU, Bonide Eight Insect Control home & Garden, Mealybugs, aphids, whiteflies, mites, thrips, Garden Safe Houseplants & Garden Insect Killer RTU, Spectracide Immunox 3-in-1 Insect & Disease Control & Fertilizer for Gardens RTU, Bayer Advanced 3-in-1 Insect & Mite Control RTU, Mealybugs, aphids, whiteflies, leaf miners, thrips, beetles, scale crawlers, mites, RTU = Ready to spray (a pre-mixed spray bottle). Whether you are a beginner or a seasoned grower, African Violets are a joy to work with and look at. Common African Violet Problems Crown Rot This is a fungus disease that is usually caused by watering too much, having poor drainage, or planting too deeply. Doctor Optimara allows you to progressively input combinations of symptoms Do not use softened or chlorinated water for African violets. Note: "Other" includes symptoms Botrytis often follows mite injury, so controlling this pest aids in controlling this disease. Use room-temperature distilled water, rain water or reverse-osmosis water. This leaf problem is not lethal, but creates an unsightly appearance. in order to zero in on the cause. PH Problems normally a PH problem will show itself over more than just one leaf, - so if just one leaf shows the problem it's not a PH problem, normally. point. (Complete List).". In general, African Violets need just enough water to keep the soil moist, but never soggy. They commonly have disease and pest problems, but most of these can be avoided by following the recommended cultural practices to keep plants healthy as described in HGIC 1550, African Violet. Wick watering, from the bottom, is sometimes appropriate but may not be the best practice for those new to growing African violet plants. any one area of the plant, i.e., symptoms which appear on the plant as a For instance, when the potting soil is too dry, the leaves will droop because they aren’t getting enough moisture. With heavy infestations, leaf and flower buds may die. African violet roots are brittle, and a few will inevitably break off when you repot the plant or when it gets knocked over. Just lightly cover the plantlet with soil. Prevention & Treatment: Collect and discard all dead and dying plant material. African violet pests and diseases spread very easily among other violets. Cultural care, lighting or disease may all be potential reasons for African violet leaves turning yellow. The right light. Prevent this leaf problem by wiping the leaves after watering. Leaves Discolored, Webbed Over - Spider Mites Spider mites are about 1/50 inch long, barely visible to the unaided eye. The older leaves droop, and the younger leaves in the center of the plant appear stunted, turn black and die. Never let growing African violets stand in water or completely dry out. When the diagnosis is complete, you will be provided with a complete At each step, you can view the entire list of problems which may cause the symptoms you have indicated to that point. Be especially watchful for crinkled tight crowns – a possible sign of incurable cyclamen mites. Our GET OFF ME! Pots of discarded plants should not be reused until they have been soaked for 30 minutes in a solution of 1 part household bleach to 9 parts water. COVID-19 Extension Updates and Resources ... More Information », Factsheet | HGIC 2250 | Updated: Aug 8, 2018 | Print | Download (PDF). description of the problem, along with recommended treatment and prevention Heavy infestation can cause leaf and plant death. But repotting your prized blooms might be a bit more complicated than you expected. On the other hand, the plant will also droop when the soil is too wet. Place the African Violet plantlet, its thin stem and its roots inside the center area of soil mix. This is because the roots need air as well as water, and soggy soil drowns the roots. below. Symptoms may include severe stunting of leaves in the center of the plant, sometimes with leaf curling. Do not plant African violets too deep. Clemson University Cooperative Extension Service offers its programs to people of all ages, regardless of race, color, gender, religion, national origin, disability, political beliefs, sexual orientation, gender identity, marital or family status and is an equal opportunity employer. you are seeing symptoms. Also, be careful not to touch infested plants before working with non-infested plants. A return to a normal appearance requires time and a gradual pruning of distorted leaves. Proper watering is an important aspect of learning how to grow African violets. Any of these conditions can contribute to rotting of the crown and roots. Leaves, stems or flowers appear blighted and turn dark brown to gray, often with a fuzzy coating on the surface. Looking up Pests or Pathogens by Name, If you are simply interested in obtaining information on a particular pest, Nancy Doubrava, Former HGIC Horticulture Information Specialist, Clemson UniversityJanet McLeod Scott, Former Horticulture Information Specialist, Clemson UniversityJames H. Blake, EdD, Extension Associate/Adjunct Professor, Dept. Copyright © 2021 Clemson UniversityClemson Cooperative Extension | 103 Barre Hall Clemson, SC 29634864-986-4310 | Contact UsHGIC@clemson.edu, Common Houseplant Insects & Related Pests, College of Agriculture, Forestry and Life Sciences, Integrated Pest Management (I.P.M.) Go Back to the African Violet HOME Page They are easy to grow and offer a wealth of beautiful flowers. Mealybugs: Several kinds of mealybugs are pests on African violets. Leaves are susceptible to rot if kept in high humidity, so water African violets from the bottom to avoid getting excess water on the leaves. 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