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Plant Diseases

Phytophthora

It’s a gardener’s worst nightmare — a young tree, lovingly established and bathed with affection refuses to come into its own, instead collapsing several years after planting. The tree didn’t have problems with insects or any visible diseases, it just… Continue Reading →

#HowTo: Plant bacteria or virus infect a human?

No matter how closely you listen to your plants, you’ll never hear a single “Achoo!” from the garden, even if they’re infected with viruses or bacteria. Although plants express these infections differently from humans, some gardeners worry about plant disease… Continue Reading →

Angular Leaf Spot

It can be difficult to differentiate between leaf-related problems that occur in the summer garden, but angular leaf spot disease is pretty distinctive, making it easy for new gardeners to diagnose successfully. Plants that develop very regular leaf spots that… Continue Reading →

#HowTo: Leaves browning

You can tell a lot about your plant’s health from its leaves. When they’re green, shiny and flexible, all systems are go; that plant is happy and care-free. But when plants develop brown leaves in the middle of their canopy… Continue Reading →

Impatiens Necrotic Spot Virus

As gardeners, we face a lot of hurdles when it comes to keeping our plants alive and healthy. If the soil’s wrong, the pH is off, there are too many bugs (or not enough bugs), or disease sets in, we’ve… Continue Reading →

Botryosphaeria Canker

It’s the greatest feeling in the world when your landscape is complete, the trees are big enough to cast a puddle of shade onto the lawn and you can finally relax after the years you’ve spent turning an old drab… Continue Reading →

#HowTo: Fix Dying Growth

New growth on your plants is a promise of blooms, big beautiful leaves or, at the very least, an extended lifespan; but when that new growth is wilting or dying, most gardeners panic, not knowing what to do. Although dying… Continue Reading →

Smut

When black spores appear on your lawn or garden plants, it’s understandably frustrating -after all, you’ve given those plants lots of tender care and they’re sick despite your efforts. Try not to panic, we’ve got lots of information about treating… Continue Reading →

Viroid

There are a lot of little tiny creatures that go bump in the night, from fungal pathogens to bacteria and viruses, most gardeners have at least a passing familiarity with the monsters that wait to destroy their gardens. It’s a… Continue Reading →

Ergot Fungus

Growing grains and hay can be an interesting way to make a living or enhance your garden experience, but with great grains come great responsibilities. Ergot fungus is a serious pathogen that can infect your rye, wheat and other grasses… Continue Reading →

Cotton Root Rot

Cotton root rot in plants is a devastating fungal disease. What is cotton root rot? This disease is caused by the fungus Phymatotrichum omnivorum. “Omnivarium” indeed. The fungus colonizes the roots of a plant, gradually killing them off and reducing… Continue Reading →

Cercospora

Cercospora fruit spot is a common disease of citrus fruits but it also affects many other crops. What is cercospora? The disease is fungal and survives on any affected fruit in soil from the previous season. Read on to learn… Continue Reading →

Clubroot

What is clubroot? This difficult disease is caused by a soilborne fungus that affects cruciferous vegetables like: Broccoli Cauliflower Cabbage Turnips Mustard Clubroot is particularly nasty because it can live in the soil for as long as seven to 10… Continue Reading →

Fusarium Crown Rot

Fusarium crown rot disease is a serious problem that can affect a wide range of plant species, both annual and perennial alike. It rots the roots and crown of a plant and can lead to wilting and discoloration on the… Continue Reading →

Cenangium Canker

Diagnosing plant ailments is crucial to plant management and health. Cenangium canker of trees is one of the more insidious diseases. What is Cenangium canker? Read on for tips on recognizing, treating and managing sooty bark canker. What is Cenangium… Continue Reading →

Choanephora rot

Choanephora wet rot control is essential for those of us who love to grow squash, cucumbers and other cucurbits. What is Choanephora fruit rot? You may not know the disease as Choanephora, but you probably know what blossom end rot… Continue Reading →

Cane Blight

If your raspberry bush buds die, the side shoots wilt and the canes fail, cane blight is probably the culprit. What is cane blight? It’s a disease that attacks all kinds of cane plants including black, purple and red raspberries…. Continue Reading →

Cytospora Canker

Cytospora canker disease generally attacks spruces, especially Colorado blue and Norway varieties, as well as peach trees, Douglas firs or hemlock trees. What is cytospora canker? It is a destructive disease caused by the fungus Leucostoma kunzei that disfigures and… Continue Reading →

Phytoplasma

Diseases in plants can be very difficult to diagnose due to the nearly infinite numbers of pathogens. Phytoplasma disease in plants are generally seen as “yellows,” a form of disease common in many plant species. What is phytoplasma disease? Well,… Continue Reading →

Needle Cast

Have you ever seen a tree, such as spruce, with healthy looking needles at the tips of the branches, but no needles at all as you look further down the branch? This is caused by needle cast disease. Find out… Continue Reading →

Volutella Blight

What is volutella blight on plants? Also known as leaf and stem blight, volutella blight is a destructive disease that affects pachysandra plants and boxwood shrubs. Early diagnosis and vigilant plant care are the keys to volutella blight control. Read… Continue Reading →

Armillaria Root Rot

Gardeners know that any manner of disease can befall their prized plants. In the case of Armillaria root rot, fungi are the underlying cause and the disease can be fatal. Armillaria root rot symptoms can by sly, starting out slowly… Continue Reading →

Cedar Hawthorn Rust

Cedar hawthorn rust is a serious disease of hawthorn and juniper trees. There is no cure for the disease, but you can prevent its spread. Find out how to control cedar hawthorn rust in this article. What is Cedar Hawthorn… Continue Reading →

Algal Leaf Spot

What is algal leaf spot and what do you do about it? Read on to learn about symptoms of algal leaf spot and tips on algal leaf spot control. What is Algal Leaf Spot? Algal leaf spot disease, also known… Continue Reading →

Lima Bean Pod Blight

One of the more common diseases of lima beans is called pod blight of lima beans. Pod blight in lima bean plants can cause serious losses in yield. What causes this lima bean disease and what methods of control are… Continue Reading →

#HowTo: Lime Sulfur

Fungus happens. Even the most experienced and dedicated gardeners will experience fungal disease on plants at some point. Fungus can affect plants in any climate and hardiness zone because, like plants, certain fungal spores grow better in different climates. Even… Continue Reading →

White Mold

Even experienced gardeners can get a disease or pathogen in the garden that they can’t identify or treat. White mold is one of those sneaky fungal diseases that can strike quietly and take over a planting bed without any notice…. Continue Reading →

Tobacco Ringspot

Tobacco ringspot virus can be a devastating disease, causing serious damage to crop plants. There is no method for treating tobacco ringspot, but you can manage it, prevent it, and avoid having it in your garden. What is Tobacco Ringspot… Continue Reading →

Coral Spot Fungus

What is coral spot fungus? This damaging fungal infection attacks woody plants and causes the branches to die back. Here’s what you need to know about the disease, what you can do to prevent it, and how to spot it… Continue Reading →

Xylella Fastidiosa

Xylella Fastidiosa Info – What Is Xylella Fastidiosa Disease What causes Xylella fastidiosa diseases, of which there are several, is the bacterium of that name. If you grow grapes or certain fruit trees in an area with these bacteria, you… Continue Reading →

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