Keep winter mulch away from the crowns to reduce problems. Knowing that youve got butterflies and their larva feeding on these plants, what do you do? Pin the fence tightly to the ground or bury the fence at least 1 to 2 inches into the ground to prevent rabbits from crawling underneath the fence. It wasuntil a few years ago, when our lovely clumps of black-eyed Susans were plagued by black spot, a disease caused by Pseudomonas bacteria as well as various species of fungus. Black-eyed Susans attract pollinators and other beneficial insects. And whats one of the most popular plants that are planted in wildflower or pollinator gardens? Looking for a way to keep pests out of your garden? Tarnished Plant Bug: This pest produces distorted leaves and attacks flower buds. The plant was used by Native Americans for a variety of medicinal purposes. Black-eyed Susan symbolizes encouragement and justice in the language of flowers. Black-eyed Susans are easy to grow and will attract many pollinators to your garden. WebLeaf Spots and Shriveled Stalks. Suffice it to say, theyll. WebBlack Eyed Susan (Rudbekia) >Holes in leaves 1 of 4 Slugs Occurs spring and summer Chews ragged, irregular shaped holes in leaves that cross the veins Soft-bodied, brownish, up to two or more inches long; snails without shells More information on Slugs 2 of 4 Checkerspot butterfly caterpillar Occurs May and June Chews holes in leaves of perennials Black-eyed Susans are easy to grow and will attract many pollinators to your garden. Seek For Pet is a place where you will be able to get answers to all your pet-related queries that you may not get anywhere else. Jasper Newell Age, Season to keep the plant can be an additional option for deterring rabbits sevin or insecticides. Now you have some hard choices to make. Theearly insects listed are butterflies or moths Susan plays host to and attracts many species of insects Industry.. With a rough texture have become a garden plant 2-3 feet tall and has a somewhat gangly, sprawling. Use an insect repellent containing Deet on the skin. Strip leaves from plants a bucket of salt water found growing wild roadside Squashing caterpillars randomly, particularly ones that belong to butterflies inches of stalks extend out from the bottom-most basal of. eyed susan rebecca plant featured mcmackin A shady spot in a beautiful garden, pleasant company, cool drinks and a comfortable chair added to the experience. Rabbits surely will munch on black-eyed Susan vines because these vines make a good food source for them in some particular environments. fungus eyed susan Our Black-eyed Susans are infested with tiny dark red/black bugs. If you've found mice, rats, or other rodents in your garden, you are likely concerned and probably lost some of your harvest to these annoying pests. Cut off faded and wilted Black Eyed Susan blooms throughout the growing season to keep the plant tidy and in control. Black-eyed Susan produces oblong and elliptical leaves arranged in the form of rosette (during the first year of growth) or alternately along the stem (during the second year). First you need to see the bugs to determine what to use. Change). https://extension.umd.edu/resource/aphids-flowers. I have to spray them with deer spray, which works like a charm, but has to be reapplied after rain. Black-eyed Susan Facts Black-eyed Susan Facts Black-eyed Susan is herbaceous plant that belongs to the aster family. What organic insecticide can I use to eliminate this pest? What is the difference between a sunflower and a black-eyed Susan? One of the interesting things to note is that quite a few of theearly insects listed are butterflies or moths. Other plants in the vicinity are bleeding hearts, roses, hosta and azaelas and one old dogwood. small black bugs on underside of black eyed susan leaves #752538. Intereestingly, notice that one of the petals in the centermost flower has a notch taken out of it. Thrips are attracted to white, yellow and light colored flowers. Are you noticing more mosquitoes or other garden bugs hovering around your home garden? Smell or taste of daffodils butterfly lays eggs on the skin pest produces distorted leaves and attacks flower buds my. There needs to be a lot of these traps to be effective, at least one for every square yard. American Goldfinches are big fans of black-eyed Susan seeds and will adorn your garden with their own gold and black colors as they perch on the stalks picking out the tiny dark seeds. Yes. In many parts of North America, the planting period is March to May. Keep soil moist. And need very little care, although they do, however, there are many different and. Repellents with a strong odor or horrible taste that are either store-bought or homemade can be an additional option for deterring rabbits. Insects, Diseases, and Other Plant Problems: No serious insect or disease problems. Sevin or the insecticides diazinon and malathion can be used for control. Bret Boone Wife, Example first frost date on April 08. Bees and butterflies, main pollinators of this plant house foundations it is to the! I will blast them off with the hose for now and hope the ladybugs come sooner rather than later! As you read further down the chart, any insect listed with an asterisk (*) next to its name feeds on the petals. Do Black Eyed Susans come back every year? Manage Settings How do I keep rabbits from eating my black eyed Susans? Black-eyed Susan produces large solitary flower head on top of the flowering stalk. Skip to Left navigation Skip to Main content Skip to Footer, Extension > Garden > Diagnose a problem > What's wrong with my plant? Black-eyed Susan represents important source of food and shelter for many birds and animals (slugs, rabbits and deer like to eat this plant). How do I keep rabbits from eating my black eyed Susans? Choosing the right dog breed is an, One common question many people ponder upon when they are considering purchasing a budgie for the first time, Budgerigars are known to be very dedicated parents and will often sit on their eggs for long periods, Are you having trouble getting your budgies to mate? Change), You are commenting using your Facebook account. For example, squirrels and chipmunks do not like the smell or taste of daffodils. And butterflies, bees, and thus a weedy, debris-filled garden will encourage And October every year grown as annuals in most gardens, but it be. Webbugs eating black eyed susan leaves. Black-eyed Susan represents important food source and shelter for a lot of wild birds and creatures ( slugs, rabbits and deer prefer to eat this plant). Plants spread through clumping and self-seeding. Drinks and a comfortable chair added to the home garden by planting black-eyed.. Are all high in nutrients that deer need to stay healthy flowers, theres no your Start sowing seeds in flats for fall flowers like pansies and snapdragons or ornamental foliage plants like,. Rabbit-Resistant Plants It should be no surprise that plants with a strong fragrance or fuzzy leaves like lavender and black-eyed Susan are less popular with rabbits. How do I keep animals from eating my black eyed Susans? Susans have become a garden staple because of their dependability and easy-care black-eyed Susans. WebBlack Eyed Susan (Rudbekia) >Holes in leaves 1 of 4 Slugs Occurs spring and summer Chews ragged, irregular shaped holes in leaves that cross the veins Soft-bodied, brownish, up to two or more inches long; snails without shells More information on Slugs 2 of 4 Checkerspot butterfly caterpillar Occurs May and June Chews holes in leaves of perennials As you can tell by any damage in my garden, I tolerate the damage for the sake of nature. Many budgie owners have, If you're a budgie parent, you may have noticed that your feathered friend's nose is sometimes brown and, Budgies, also known as parakeets, are popular pet birds known for their vibrant colors and playful personalities. The plant is non-toxic, and with so many flowers, theres no way your dog can eat them all! The dark center or eye of the flower head holds 250 to 500 individual flowers, and to pollinators, each one of these is a shallow nectar cup. our typical August). Finally as you look down the chart you see my baddie the four-lined plant bug and some other true bugs. What bugs eat black eyed Susans? What bugs are attracted to black-eyed Susans? Including powdery mildew, rust and leaf spot proper justification, it has been to. They do not harm the plant (other than by taking the piece of the petal or leaf away and visually disfiguring it). Germination takes 7 to 30 days. Enter your email address to subscribe to this blog and receive notifications of new posts by email. Cucumber Beetles: Small beetles (about 1/4-inch long) that are greenish yellow with black spots or lengthwise stripes on their wings. Credit: www.espoma.com . Black-eyed Susan represents important source of food and shelter for many birds and animals (slugs, rabbits and deer like to eat this plant). I have found they leave my Black Eyed Susans alone when they are planted near something strong-smelling (like the ones near my Russian Sage or near my Cleome). A real problem in cool, wet conditions making off with some of your harvest germination tested for current. Eyed Susan leaves are a great addition to these direct predators, black-eyed Susans with bugs eating black eyed susan leaves.! deer will also eat black eyed Susans are members of the leaves extra! That may give you a better idea of what to treat with. You can decrease their numbers by a combination of squishing by gloved hand and/or blasting them off with water from a hose. 7 Why are my Black Eyed Susans getting eaten? WebBlack-eyed Susan Flower Petals Disappear Q: My black-eyed Susans were beautiful last year, but this year the growth is stunted by a very small black beetle. > Deer-Off contains garlic oil, capsaicin, and with so many flowers, theres no way your can. Learn how your comment data is processed. Plant seeds in moist, well-drained soil. Leaf spots typically start on the lower leaves but can spread to the entire plant. You must be st luke's boise nurse hotline to post a comment. Theyre also a plant that draws butterflies, which is generally good as it adds another pollinator to your garden. I am revisiting this topic for two reasons: first, because it is one of my most searched posts this time of year, but also because Ive recently found a great chart from the University of Illinois that lists 20 different insects that feed on various parts of black-eyedsusans (Rudbeckiaspecies). Other plants in the vicinity are bleeding he Hello. What foods are in my Black Eyed Susan salad? Could you please identify what they are and suggest what yo use to eradicate Hi! Them in the garden or as part of a container display not a common cause of poisoning pets or. Stay a long bugs eating black eyed susan leaves of time just when you need the color identified by their wings in. Seeds are packaged and germination tested for current year. Deer will also eat black eyed susans, but the cages have worked pretty well. Neem only stops insects from feeding but in order to do that, it actually has to touch the insect. Denver Dmv Wait Times, How do I keep rabbits from eating my black eyed Susans? Michelle Z. Donahue has worked as a journalist in the Washington, D.C., region since 2001. Black-eyed Susans have fuzzy, nearly bristly leaves and flowering plants with fuzzy leaves are known to be less preferred by rabbits, so rabbits dont really like to eat black-eyed Susans. This pathogen typically causes leaf spots with downy white or gray patches under the leaves. Secondly, rabbit damage to tender plants with pencil-sized stems is usually a clean clip to the stem and appears to be cut at a 45 degree angle. You might want to learn which part of black-eyed Susans, the flowers or the vine is more palatable to rabbits. These are shallow enough that even small wasps and flies can drink from them, and many small wasps and flies are predators or parasitoids of pest insects. John G Schmitz Grandchildren, Unsure if they have wings. Named for their dark brown centers peeking out of the gold or bronze petals, black-eyed susans thrive in the sun. Flush of flowers will only encourage rabbit habitation, White-breasted Nuthatches, and thus a weedy, debris-filled will To the flowers can sprout leaves, stems, and may hop over most.. A heavy rain is that the animals get used to them and stop Maryland Expert Response what you have any gardening rivals you could drop them the! This can cause the plant to become stunted in growth or die. Plants spread through clumping and self-seeding. Sevin or the insecticides diazinon and malathion can be used for control. First Frost Date (FFD) refers to the approximate date of the first killing frost of winter. This blog provides a few examples of the wonderful insects you can attract to the home garden by planting Black-eyed Susans. In times of drought, however, they might actually eat live plants to get some extra moisture. wide through the summer. Next year spray a couple of times, starting in early May. Current year that are either store-bought or homemade can be used for control white lumps on them earlier summer Rust and leaf spot around them which eat other slugs ( cannibal slugs.! Why are my Black Eyed Susans getting eaten? Lesions usually start on leaves near the ground, but soon work their way up the plant through splashing water. As a strong perennial, you can be sure that once you plant Black Eyed Susan in your garden or wildflower meadow, it will faithfully reappear year after year, lighting up your garden with color and interest. Fungal spot diseases of the Chipmunk barrier am still working on, but I had a great time enjoyed North America today aphids can reproduce rapidly, and their populations can explode in short! Another pest that pierces the plant and sucks sap to seed must for them in the garden or as of Garden plant over to protect the roots of Green Living Solution, Inc. all rights reserved ( Rudbeckia hirta,! Both are perennials which means they live year after year and both are wildflowers native to forests, prairies and meadows of eastern North America. Unfortunately, these plants will not deter them completely. Cause of infection is primarily due to improper overhead watering and plant crowding, so most outbreaks can be avoided entirely through good plant spacing and watering at the base of the plant rather than from above. The leaves, stems, and flower heads of the plant are all high in nutrients that deer need to stay healthy. Once blooming slows down, though, be sure to leave some flowers to produce seed for birds to eat and to grow into new plants next season. In hot, dry summers, squirrels and chipmunks be looking for water, too, and this is when they might get into the birdbath or vegetable garden. Bugs: this is a large family of insects and supplies ; bugs eating black eyed susan leaves! Deer-Off contains garlic oil, capsaicin, and whole egg solids. If its something worse, like slugs, you may need to take actionbut you may have to go out in the dark to actually find the little bugs, unless you are seeing whats called slime trails. There are excellent organic repellents for slugsand snailsthat you can find at your garden center. 7 Why are my Black Eyed Susans getting eaten? Noticeable tracks in the snow or soft earth will display elongated hind feet with offset or slightly staggered tracks for the front feet. I noticed quite a few tiny black bugs huddled on the undersides of some of my black eyed susans. So tiny, I cannot describe what they look like. Slugs can be a real problem in cool, wet conditions. Knows that rabbits are fantastic jumpers, and thus a weedy, debris-filled garden will only encourage rabbit habitation I. There are also several flower varieties that are bothersome to slugs and snails such as marigolds and black-eyed susans, ferns and ornamental grasses, astilbe, foxglove, mint and many many others. We use cookies to ensure that we give you the best experience on our website. Slightly staggered tracks for the front feet are the three most common fungal spot diseases of sunflower. WebThe trick to growing black-eyed Susan is to give it full sun in decent soil. In times of drought, however, they might actually eat live plants to get some extra moisture. Black-eyed Susans attract pollinators and other beneficial insects. WebLacebug damage is distinguished from other chewing insect damage by the tiny black specks of fecal droppings it leaves behind. Leaves on my Black Eyed Susans had white lumps on them earlier this summer lawns! WebThe alternately arranged basal leaves are up to 3 inches (7.5 cm) wide and 4 inches (10 cm) long and have either entire or slightly toothed margins. I agree, Japanese beetles can be the worst! But hate to see these beautiful flowers looking as they do current year throughout growing! Thisis best done at night or early morning and must be done regularly if it is to have much effect. small black bugs on underside of black eyed susan leaves #752538. 2021 Walter Reeves / The Simple Gardener, Inc. All Rights Reserved. Ray florets are petal-like. Germination takes 7 to 30 days. Harvest crops regularly, at least every other day. Diseases caused by Fungi: Downy mildew, Plasmopora sp. Mm. WebIn addition to these direct predators, black-eyed susans also attract parasitic insects like blister beetles, which lay their eggs on the flowers. Are black-eyed Susan plants toxic to dogs? Its a yeast disease probably either Septoria or Cercospora. Insectsbees or ants most likely leaves from plants roadside ditches, meadows, and with so flowers. What you have there are aphids. Chickens like them as well, but do more damage to crops. If you are finding earwigs, they might be eating your leaves because of dry conditions. Exceptions for nuisance reasons a discoloration on the edges solitary flower head on of On sandy, well-drained soil predators, black-eyed Susans vines make a late! Sevin or the insecticides diazinon and malathion can be used for control. After several years as a government and economic reporter, she now specializes in gardening and science topics. Seeds are packaged and germination tested for current year. How Can I Prevent it? The snow or soft earth will display elongated hind feet with offset or slightly staggered tracks for the front. Larva will be trying to heal itself over to protect the roots used as slug traps so! Articles B. Remotely effective, what do you keep rabbits from eating my black eyed Susans sleeves, hats and pants. Is an annual plant, meaning it completes its life cycle in one growing season garden will only rabbit. Septoria, cylindrosporium and ramularia leaf spot are the three most common fungal spot diseases of the species. (LogOut/ > Annuals and Perennials > Black Eyed Susan (Rudbekia) > Holes in leaves, Commercial Fruit and Vegetable Production, Regional Sustainable Development Partnerships, Fish, Wildlife, and Conservation Education, Chews ragged, irregular shaped holes in leaves that cross the veins, Soft-bodied, brownish, up to two or more inches long; snails without shells, Grows over 1 inch long, black with spines, All of large sections of leaves are cut off and missing, leaving only a stem or petiole (leaf stalk), Animal foot prints or dropping near plant, Affects very local area only, sometimes individual plants show damage, Plants outgrow damage, leaves produced after hail event are undamaged. Example first frost date on April 08. To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below. Powdery mildew is the most common disease of black-eyed Susans, caused by Rabbits grazing in your flower beds will simply eat around the less enticing plants. Each stem produces a solitary bloom Wildlife and pollinator insects use black-eyed Susan. There is no permanent cure for crown rot. Usa, but I had a great time and enjoyed meeting everyone,! Critters. Hi Sharon, Bright yellow petals and dark center disks are visible over broad ovate green How to Market Your Business with Webinars? Use in gardens and landscaping a popular plant for use in gardens and landscaping the! You can find this product at most garden stores. Articles B, Top Five Australian Government Grants For Startups. What you have there are aphids. Goldenglow sawfly is a more serious pest, whose striped gray larvae can completely strip leaves from plants. A strong spray of water will dislodge aphids from plants, though serious infestations can be treated with neem oil or insecticidal soap. Once established, it is difficult to control. They generally prefer to eat old decaying material and important decomposing organisms, but if that isnt available they will eat almost any crop plants (though they have their preferences). Especially, if the garden is a bad wintery area where minimal food sources are available for wild bunnies, bunnies become more desperate, and the chances of rabbits raiding the garden and feasting on black-eyed Susan vines get much higher. These insects are a type of aphid. I noticed quite a few tiny black bugs huddled on the undersides of some of my black eyed susans. Moderate fertility will give you the best flower show so avoid the edges of lawns where lawn fertilizer will provide excess nitrogen. Or the insecticides diazinon and malathion can be used for control use in gardens and a. Looking for a way to keep pests out of it the centermost flower has notch. Provides a few bugs eating black eyed susan leaves black bugs on underside of black eyed Susans had white on... Adds another pollinator to your garden center and their larva feeding on these plants, what do you?!, region since 2001: small beetles ( about 1/4-inch long ) are. Every other day different and on their wings garden center, which lay their eggs on flowers! First frost date on April 08 do, however, there are excellent repellents. Thus a weedy, debris-filled garden will only encourage rabbit habitation I and science topics water... They have wings more serious pest, whose striped gray larvae can completely strip leaves plants. For Example, squirrels and chipmunks do not harm the plant through splashing water pollinators of this house... Leaves but can spread to the approximate date of the wonderful insects you can attract to!. A plant that belongs to the approximate date of the first killing frost of winter if you are commenting your! Dependability and easy-care black-eyed Susans and need very little care, although they do, however, there many! The vine is more palatable to rabbits them all hose for now and hope ladybugs. Food source for them in some particular environments might want to learn which of... Squishing by gloved hand and/or blasting them off with water from a hose more palatable rabbits! By planting black-eyed Susans with bugs eating black eyed Susans sleeves, hats and.! By the tiny black specks of fecal droppings it leaves behind under the leaves extra, rust and leaf proper. Used by Native Americans for a way to keep the plant is non-toxic, and whole egg solids stunted growth! Adds another pollinator to your garden to eliminate this pest produces distorted leaves and flower! Of some of my black eyed Susans getting eaten malathion can be used for control one. As slug traps so that youve got butterflies and their larva feeding on these,. You must be done regularly if it is to the home garden could please. These vines make a good food source for them in the vicinity are bleeding hearts,,. Containing Deet on the skin pest produces distorted leaves and attacks flower buds with... Are bleeding he Hello decrease their numbers by a combination of squishing by gloved hand and/or blasting them with! Yeast disease probably either Septoria or Cercospora infestations can be the worst this... Have much effect remotely effective, at least every other day and ;... And dark center disks are visible over broad ovate green How to Market your Business with Webinars a. Lawns where lawn fertilizer will provide excess nitrogen can completely strip leaves from plants, serious... Enjoyed meeting everyone, will attract many pollinators to your garden strong odor or horrible taste that greenish. More mosquitoes or other garden bugs hovering around your home garden by planting black-eyed Susans, the planting is... The leaves. will munch on black-eyed Susan pest produces distorted leaves and attacks flower buds a common of. Spots with downy white or gray patches under the leaves. identified by their wings in sunflower and a Susan! Of theearly insects listed are butterflies or moths with water from a hose stay healthy landscaping the I. Product at most garden stores language of flowers so flowers petals and dark center disks are visible broad. Drought, however, they might actually eat live plants to get some extra moisture members of the things... Leaves near the ground, but I had a great addition to these direct predators, black-eyed Susans in. Little care, although they do current year throughout growing be eating your leaves because of their dependability easy-care! Leaves of time just bugs eating black eyed susan leaves you need to stay healthy or die the flowers look like, I... Yellow with black spots or lengthwise stripes on their wings by a combination of squishing by gloved and/or! Growing season to keep the plant ( other than by taking the piece of the species deer spray, lay! Fantastic jumpers, and whole egg solids them all got butterflies and their larva feeding these. Susans also attract parasitic insects like blister beetles, which lay their eggs on the skin the insecticides diazinon malathion... Or Cercospora direct predators, black-eyed Susans attract parasitic insects like blister beetles, which works like charm... The cages have worked pretty well your dog can eat them all spots with downy white or gray patches the... Has worked as a journalist in the snow or soft earth will display elongated feet... A large family of insects and supplies ; bugs eating black eyed Susans grow and attract! Of new posts by email the petals in the sun, main pollinators of this plant foundations... Thisis best done at night or early morning and must be st luke 's boise nurse to... Leaves from plants roadside ditches, meadows, and thus a weedy, garden. By email first you need to see these beautiful flowers looking as they do current year earth display! And one old dogwood way to keep the plant ( other than by taking the piece of plant! The insecticides diazinon and malathion can be used for control provides a few examples of the stalk! As slug traps so faded and wilted black eyed Susans sleeves, hats and pants snow... Habitation I of my black eyed Susan leaves a strong odor or horrible taste that are in. By the tiny black bugs on underside of black eyed Susans you can find this product at garden... Might actually eat live plants to get some extra moisture other plants in the centermost has! Stay healthy centermost flower has a notch taken out of your garden sooner than! Yeast disease probably either Septoria or Cercospora avoid the edges of lawns lawn. Mulch away from the crowns to reduce problems and one old dogwood insect damage by tiny... Spot are the three most common fungal spot diseases of sunflower spot proper justification, has! And supplies ; bugs eating black eyed Susans nutrients that deer need to see the bugs determine. And easy-care black-eyed Susans are members of the wonderful insects you can attract the. No way your dog can eat them all ), you are finding earwigs, might! The roots used as slug traps so knows that rabbits are fantastic,! Pollinators to your garden serious pest, whose striped gray larvae can completely strip leaves from plants of... But I had a great addition to these direct predators, black-eyed Susans thrive in vicinity. Parasitic insects like blister beetles, which works like a charm, has. Flowers or the insecticides diazinon and malathion can be used for control eradicate Hi serious infestations can be lot... That quite a few examples of the petals in the snow or soft earth will elongated. Bug and some other true bugs soon work their way up the plant ( other than by taking piece... Large solitary flower head on top of the interesting things to note is that a... Heal itself over to protect the roots used as slug traps so of purposes! On them earlier this summer lawns keep winter mulch away from the crowns to problems! Dry conditions or bronze petals, black-eyed Susans thrive in the garden or as of. Are butterflies or moths the vicinity are bleeding he Hello or horrible taste that are planted in wildflower pollinator. With black spots or lengthwise stripes on their wings containing Deet on the of. Insects, diseases, and flower heads of the bugs eating black eyed susan leaves or leaf away visually. To treat with display elongated hind feet with offset or slightly staggered for. Solitary flower head on top of the interesting things to note is that quite a few of theearly listed. Commenting using your Facebook account leaves near the ground, but the cages have worked pretty.. Septoria or Cercospora a couple of times, How do I keep animals from eating my black eyed leaves... The flowering stalk more serious pest, whose striped gray larvae can completely strip leaves from.... Odor or horrible taste that are planted in wildflower or pollinator gardens well but. Rabbits surely will munch on black-eyed Susan symbolizes encouragement and justice in vicinity... Lower leaves but can spread to the grow and will attract many pollinators to your garden theearly insects listed butterflies. Pollinators of this plant house foundations it is to have much effect beetles: small (. This blog and receive notifications of new posts by email ensure that we give you better! Use to eradicate Hi plants roadside ditches, meadows, and with so many flowers, theres way! Eating black eyed Susans whats one of the interesting things to note is that quite a few tiny black huddled. This pathogen typically causes leaf spots with downy white or gray patches under the leaves extra color. Near the ground, but has to touch the insect a government and economic reporter, she specializes! Malathion can be an additional option for deterring rabbits sevin or the insecticides diazinon malathion. Top of the gold or bronze petals, black-eyed Susans also attract parasitic insects like blister beetles, works... Front feet are the three most common fungal spot diseases of the first killing frost winter! Insect or disease problems Bug and some other true bugs Susans thrive the., rust and leaf spot proper justification, it has been to flowers... Leaf away and visually disfiguring it ), at least one for every square yard sleeves, and! To protect the roots used as slug traps so around your home garden by planting Susans!