Common Problems

If you enjoy growing garlic, delayed planting in the fall is one way to protect it from the Allium leafminer.

Though frequently maligned and feared, the bats of Pennsylvania manage insect pests of our crops, making them true friends of gardeners.

Poison ivy and Virginia creeper vines often share the same space. Both are important food resources for wildlife and birds. Can you identify which plant causes an irritating rash?

Two species of bindweed are found in Pennsylvania. Both are incredibly troublesome perennial vining weeds that are difficult to eradicate.

Don't be fooled by the porcelain berry's attractive grape-like foliage and bright blue berries. Behind that pretty face is an invasive and aggressive weed.

This broadleaf weed, commonly found growing in disturbed sites, pastures, meadows, and along roadsides, can be a challenge to control if allowed to take hold in your lawn or garden.

Este método de monitoreo de varroa está basado en el lavado de abejas con alcohol.

As the Earth's climate changes, so will our Pennsylvania gardens. What has changed so far, and what is likely to change in the future?

Now that we spend more time indoors, we look at the plants that share our homes. How should we manage the insect pests that might be sharing the plants?

Knowledge about allelopathic plants and those sensitive to their compounds helps gardens succeed.

Invasive knotweed has become a monoculture throughout the Upper Delaware River Valley and much of the Northeast.

There are a variety of insect pests that may affect home gardeners' squash, pumpkin, melon, and cucumber crops. These crops are collectively members of the Cucurbitaceae and are called cucurbits.

Damage to plants via insects, animals, or harsh environmental conditions can leave open wounds for pathogens to enter the plant and cause diseases.

Many things make plants unwell and pests and diseases are only two causes of poor plant growth.

One of the more popular books read to children is the Very Hungry Caterpillar. The story follows a large caterpillar as it eats its way through various foods as a subtle way to teach counting and an insect's life cycle, from egg to butterfly.

Keeping your seedlings and transplants growing through the hot summer days will require monitoring and consistency.

Downy mildew and powdery mildew are two plant diseases that begin to affect gardens in the spring.

Japanese beetles are not picky about the flowers and leaves they attack. They have favorites like roses and grapes, but many problems begin when the beetles are still in their larval form, called grubs.

Perennial vines benefit wildlife and humans but can be a problem for homeowners.

April showers bring May flowers and an abundance of gardening information! Everywhere you turn, new techniques, tips, and tricks offer advice to help with the new growing season.

Proper soil fertility is the foundation for plant health. Different types of plants have specific nutritional requirements and soil pH and nutrient levels vary greatly from site to site.

The presence of distinct weed species can indicate rectifiable conditions in your lawn that are optimal for the weed but sub-optimal for the turfgrass.

What do "murder hornets," European hornets, and eastern cicada killer wasps have in common? Why have questions about these large insects increased in the past two years? Have the populations changed?