Helga George, PhD 
An alpine meadow perennial, azure monkshood produces stunning purple-blue flowers and distinctive green foliage in the fall garden. This plant is disease resistant, and relatively easy to care for. Keep it moist, and it should bloom reliably in the fall. Read on to learn how to grow this late season gem now.
Hydrangeas can fall prey to anthracnose, a virulent fungal disease which can cause damage to the leaves, flowers, and even the stems. This fungus spreads quickly in hot, wet weather, but there are steps you can take to limit an infection. Read on to learn how to prevent, diagnose, and manage anthracnose in hydrangeas.
Tomato plants are commonly infected by a fungus that manifests as spots shaped like bull’s-eyes on the leaves and fruit. Your plants are likely to have early blight, caused by the fungus Alternaria. This disease is not usually fatal, but it can ruin your harvest. Read on to learn how to manage this ubiquitous disease.
As a close relative of black walnut, pecan also produces the strong toxin juglone. This toxin is poisonous to people, animals – and plants. Its presence can make it impossible to grow some kinds of plants under these trees. Read on to learn about juglone in pecan trees and how to work around it.
Despite their use as a medicine in previous eras, all parts of hellebores are toxic if eaten by children or animals. Key symptoms include diarrhea, vomiting, and convulsions in serious cases. Read on to learn what to do if your dogs, cats, or horses ingest hellebore and to learn more about the poisons involved.
Aster yellows can infect more than 300 species of plants and produce symptoms such as leaves growing out of flowers and other deformities. Read on to learn how to spot the various symptoms of this disease and manage the aster leafhoppers that transmit it.
Some types of fungi have developed resistance to a number of the fungicides used to control them. However, by knowing how these compounds target the fungi, we can develop a plan to vary treatments and alternate between different types, making resistance much less likely. Read on to learn how to rotate fungicides.
Raspberry fruitworms eat the leaves of raspberries and blackberries, and their larvae infest the fruit. Since this can lead to a very unpleasant surprise for consumers, it is fortunate that there is a range of control options. Gardener’s Path will train you how to monitor your populations of these pests and control them.
Ripening tomatoes sometimes develop a dark, sunken spot at the blossom end, known as blossom-end rot. But this damage to your crop is not a sign of disease – it’s due to a lack of calcium in the fruit. Read on to learn about the measures you can take to keep your tomatoes safe from this physiological disorder.
Sex appeal comes in all shapes and sizes, but in insects, it’s often rooted in trace amounts of a pheromone. Gardeners and growers use this to their advantage by luring and trapping the males or preventing them from finding their mates. Read on to learn how to use these hormones to control pests in your garden.
Almond hull rot occurs at hull split and can limit the ability of the trees to bear fruit in the future. And the infected nuts that remain on the tree can harbor navel orange worms. This disease is much worse in well-fertilized and properly irrigated trees. Read on to learn how to prevent and control almond hull rot.
Cabbage maggots are tiny insects in the soil, and often by the time the plants show symptoms, it is too late to save them. Knowing what to look for lets you monitor for them and identify their presence in time to implement control measures. Read on to learn how to identify and control these pernicious pests.
Armillaria root rot is a serious fungal infection that attacks many different plants. This fungus can devastate apples and most other kinds of fruit trees. Resistant to fungicide treatments, it is difficult to control. Learn what makes this pathogen so hard to control and how to prevent infection in your apple trees.
Stressed pecan trees can be susceptible to pecan twig dieback disease. Caused by fungi, this infection cannot be cured by fungicides. Learn how to identify pecan twig dieback and steps you can take to prevent it from taking hold and how to treat infected trees. Plus tips on how to keep your trees healthy. Read more now.
Are you aggravated by ants crawling around your home? If you have an infestation in your house or yard, it can be very difficult to get it under control. Discover the different methods for controlling ants, including how and when to use bait and what works best for different species. Learn how to eradicate ants now.
Pecan nuts that start to turn black and fall off the tree may be suffering from stem end blight. This fungal disease is spread by insects feeding on your trees and can cause severe damage to your crop. Fungicide treatment may be necessary if your trees are infected. Learn how to identify and treat this serious disease.
Thief ants get their name because they steal food and larvae from other ant colonies. These tiny ants have the dubious honor of being among the most difficult types of ants to control in your home – and they can spread human diseases. Learn how to identify, prevent, and manage a thief ant infestation. Read more now.
Argentine ants are one of the most invasive of all ant species. With multiple queens and colonies, they can quickly take over large areas, spreading disease and encouraging crop pests. Learn how to identify these insects and strategies to manage an Argentine ant infestation in your home and garden. Read more now.