How to Identify and Treat Anthracnose on Hydrangeas

A close up of a hydrangea leaf suffering from a fungal infection called anthracnose causing dark brown lesions to appear on the foliage.

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.

How to Prevent and Manage Aster Yellows

Close up of a green deformed coneflower infected by aster yellows.

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.

How to Rotate Fungicides to Prevent Resistance

A close up of two hands wearing yellow gloves spraying pesticide from a red and black bottle onto the foliage of an infected plant.

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.

How to Control Raspberry Fruitworms

Raspberry Fruitworms (Butyrus) feeding on berries close up macro shot.

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.

Recognizing, Managing, and Preventing Rust on Canna Plants

A close up of a green leaf with orange spots caused by a fungal disease.

Canna, often called canna lily, is a rhizomatous perennial with spikes of bright blossoms, and ample, tropical-style foliage. Under less than ideal conditions, it may fall victim to a condition called rust. Learn what this is, how to treat an infection, and what preventative measures you may take to avoid an outbreak.

How to Prevent and Mitigate Almond Hull Rot

A close up of almonds with the hulls starting to split as they ripen, surrounded by foliage on a soft focus background.

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.