Pests and Diseases - Page 2 of 3
-
How-To
Pest Control for the Southern Plains: Pine Wilt Disease
There are several pests that attack pine trees (Pinus spp. and cvs., Zones 2–9) in the Southern Plains—from pine needle scale to needle blight to yellow-bellied sapsuckers—but none are as…
-
How-To
Pest Control for the Northeast: Jumping Snake Worms
As if gardeners don’t have enough to contend with, an invasive worm is surprising many of us by moving into our Northeast gardens. "Worms?” you might ask. “I thought worms…
-
How-To
Pest Control for the Southwest: Piñon Ips Beetle
The piñon ips beetle (Ips confusus) infests Southwest-native piñon pines (Pinus edulis, Zones 4–8) throughout the region. According to the Colorado State Forest Service, “Ips beetles, sometimes known as ‘engraver…
-
How-To
Pest Control for the Mountain West: Ips Beetles
Many of us who call the Rockies home are familiar with the devastation to our forests by the mountain pine beetle (Dendroctonus ponderosae). Millions of acres of lodgepole pines (Pinus…
-
How-To
Pest Control for the Mid-Atlantic: Hemlock Woolly Adelgid
One of the prevalent garden pests in the Mid-Atlantic is hemlock woolly adelgid (or HWA, as it is often abbreviated). Native to Asia, hemlock woolly adelgid (Adelges tsugae) can be…
-
How-To
Pest Control for the Southeast: Ambrosia Beetles
Ambrosia is which of the following? (1) A dessert made of oranges and shredded coconut. (2) A group of beetles that can harm plants in the southeastern United States. The…
-
How-To
Pest Control for the South: Eastern Leaf-Footed Plant Bug
Most insects don't bug us. There are a few we even like. However, there is one family of insects that makes us downright irritable: leaf-footed plant bugs. There are several…
-
How-To
Do Your Plants Have Sticky Leaves? Honeydew Might Be the Problem
Most gardeners are familiar with the sugary excretion produced by some sap-feeding insects known as “honeydew.” Many might even know about the fascinating relationship between honeydew-producing aphids, mealybugs, or scale…
-
How-To
Solutions for Summer Squash Pests and Diseases
Summer squash are relatively easy to grow, but there are several insect pests and diseases that can afflict the plants. Initial control of the following pests, especially cucumber beetles, is…
-
How-To
Dealing with Dogwood Diseases
Like many woody plants, dogwoods can be afflicted by disease. Fortunately, when correctly identified, most diseases can be treated with little fuss. See The Best Dogwoods for Your Garden. Powdery…