How to Manage an Argentine Ant Infestation

A close up of an Argentine ant, showing the large bulbous rear with small hairs on a soft focus background.

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.

9 of the Best Cold Hardy Avocado Trees

A close up of an avocado tree with fruit hanging from the branch, surrounded by leaves with snow and a mountain in the background in bright sunshine.

If you live in a colder climate but still want to grow avocados, you’ll need to choose a cold-hardy variety. Luckily, there are several cultivars available that can tolerate the cold, and still thrive. Discover the best cold tolerant avocado varieties that can withstand freezing temperatures and still produce fruit.

How to Control Pavement Ants

A close up of dark brown pavement ants feeding on a large white piece of bait. The dark background fades to soft focus.

Pavement ants make their nests in concrete slabs under houses or in foundations. You can tell an infestation by the tell-tale piles of soil or sand near the colony. Fortunately, they are fairly easy to control once you know how. Learn how to identify and treat a pavement ant infestation in your home. Read more now.

How to Manage a Spotted Lanternfly Infestation

A cluster of pinky-gray Lycorma delicatula, spots clearly visible, feast on a tree branch. A couple of leaves to the left of the frame and a soft focus background of leaves and branches.

The invasive spotted lanternfly is currently under quarantine in multiple states, and could easily cause billions of dollars of damage in Pennsylvania alone. It feeds on hardwood and fruit trees and vines, and is a particular threat to grape vines and hops. Read on to learn how to manage an infestation.

How to Control Citronella Ants

Close up (macro) view of a single citronella ant.

Citronella ants feed on insect secretions rather than human food. So, you might not think they are a threat. However, these ants frequently invade houses when they swarm and look like termites. Read on to discover the difference between citronella ants and termites and what to do when you are under siege.

Controlling the Invasive Pharaoh Ant

Macro shot of pharaoh ants collecting food.

Pharaoh ants are highly difficult to control. While they are extensive problems in Florida and Texas, they also infest buildings in cooler climates. These aggressive ants will even attack the skin of burn victims in hospitals. Read on for tips on controlling these foreign invaders.

How to Protect Your Produce Against Bacterial Soft Rot

A farmer holds up a freshly dug potato showing an oozy bacterial soft rot mess on the inside of the tuber.

While you may think of potatoes when you think of soft rot, these bacterial diseases destroy a range of plants – from broccoli to tomatoes. There is no cure once your produce is infected, but there are steps you can take to prevent infection. Read on to learn how to protect your stored crops against bacterial soft rot.

How to Manage Root Rot in Fruit, Nut, and Landscape Trees and Shrubs

Tree roots infected with root rot.

Phytophthora and the fungi Armillaria, Phymatotrichum, and Xylaria can all cause devastating cases of root rot on fruit, nut, and landscape trees along with woody shrubs. Prevention is the best way to manage these diseases. Read on to learn the best ways to avoid these diseases and biocontrol agents and fungicides that may help with Phytophthora root rot.

How to Control Odorous House Ants

A top down view of odorous house ants, Tapinoma sessile.

Odorous house ants are native to the entire continental United States and are one of the most common types of ants that infest houses. They prefer warm, moist places like hot water heaters and will even nest behind paneling. Read on to learn how to eradicate these invasive creatures.

How to Prevent Pierce’s Disease on Grapevines

Close up of a grape leaf with brown splotches caused by

An incurable grapevine disease that is spread by very common insects threatens grapevines in warmer parts of the United States. However, there are steps you can take to prevent your plants from becoming infected by both tackling the insects that spread it and implementing cultural methods to protect your plants. Read on to learn how to prevent Pierce’s disease.

How to Keep Slugs Off Cabbage and Other Cole Crops

A slug eating a cabbage leaf. Close up photo.

Although slugs can be highly serious pests of cabbage and other cruciferous veggies, there are a variety of techniques that you can use to control these land mollusks. Read on to learn a number of ways to banish slugs from your garden. You have options ranging from barriers to traps to predatory slugs and bait.

How to Control White Leaf Spots on Cruciferous Vegetables

Top down view of a turnip leaf infected with white leaf spot (Cercospora brassicicola).

White spot fungi are selective in the crucifers they infect and cause disease on the leaves of turnip, rutabaga, canola, mustard, radish, and horseradish. The fungi overwinter on volunteer plants and cruciferous weeds. Read on to learn how to control white spot fungus on crucifers.

What’s Eating My Turnips? How to Eradicate Turnip and Rutabaga Pests

Turnip and rutabaga plants can be severely infested by several types of insects. While row covers can prevent some of these infestations, wireworms are soil-borne threats that can cause the end of the season’s crop in an infested field. Read on to learn how to manage cabbage aphids, root maggots, flea beetles, sawflies, and more.