Plant Diseases

Learn how to control the many plant diseases that can destroy your garden in a safe, organic way. We cover prevention and treatment!

Round and yellow fruits on a plant that appear infected with a type of lemon tree diseases

Plant Diseases

7 Lemon Tree Diseases: Causes and Cures

Lemon tree diseases such as citrus black spot and citrus canker can wipe out your favorite lemon tree in a season. But with a little preparation and insight, you’ll prevent these harmful diseases and save your fruit. In this article, horticulture expert Matt Dursum covers the causes and cures of common lemon tree diseases.

Heliotrope plant leaves covered in powdery mildew, with additional foliage blurred in the background

Plant Diseases

5 Greenhouse Plant Fungal Diseases To Watch For in Winter

Though the greenhouse protects tender plants from frost, it often invites fungal pathogens that thrive with standing air and consistent moisture. Watch for these five common diseases to keep your plants safe. Seasoned grower Jerad Bryant shares prevention and treatment solutions that work against the fungi.

A diseased pothos plant in a white pot with trailing vines and glossy, heart-shaped green leaves variegated with yellow streaks, showing brown spots, growing from sturdy stems on a wooden shelf.

Plant Diseases

9 Pothos Plant Diseases: Prevention and Treatment

You’ll rarely encounter pothos growing issues—although diseases can infect them, they often don’t! If they do, this guide has everything you need to identify, prevent, and treat common pathogens. Learn to turn suffering pothos vines into healthy, perky ones alongside seasoned grower Jerad Bryant.

A persimmon tree with clusters of bright orange ripe fruits among diseased leaves showing dark, scattered leaf spot.

Plant Diseases

5 Persimmon Tree Diseases and How to Treat Them

Whether you have a native American persimmon growing in your backyard or planted an Asian persimmon for fruit, it can be alarming to see your tree become discolored or deformed. Join grower Briana Yablonski to learn some common persimmon tree diseases and understand how to treat them.

dry, yellow, rotting cucumber leaves.

Plant Diseases

11 Steps for Managing Garden Diseases in Humid Gardens

Humid-area gardeners suffer with plant disease more often than their arid-area counterparts, as high humidity encourages the kind of fungal and bacterial growth that leads to numerous plant diseases. While some garden maladies are just an inconvenience, others can decimate your harvests. Plant biologist Emily Estep explains preventative and regular steps you can take to manage diseases in humid gardens.

common garden diseases. Close-up of peony bushes affected by disease exhibit wilted, brown-orange leaves with crispy, dry edges, giving the foliage a scorched and unhealthy appearance.

Plant Diseases

23 Common Garden Diseases and How to Treat Them

Pests and diseases can be found in almost every garden. It’s part and parcel of growing plants outdoors, where they submit to the weather and potentially less-than-ideal conditions. However, there are some best practices that can help curtail potential disease issues. Not to mention that if a plant becomes infected, not all is lost! Gardening expert Kelli Klein walks you through 23 common garden diseases and how to treat them.

Close-up of tree bark infested with Honey Fungus in a garden against a blurred background. Honey Fungus, scientifically known as Armillaria mellea, is a destructive parasitic fungus that infests various woody plants, including trees and shrubs. It forms dense clusters of honey-colored toadstools with convex caps that flatten and darken with age. Part of the bark is covered with green moss.

Plant Diseases

Honey Fungus: Identification and Management

Despite its happy name, honey fungus is an insidious parasite that can kill off woody plants. In this article, we explore how this innocent-looking mushroom travels through the soil, infecting plants from the smallest seedlings to giant trees.