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Green and brown grasshopper with two yellow lines that originate on the head and meet on the abdomen.

Grasshoppers in Gardens

Due to large populations and dry conditions, grasshoppers are moving into gardens and feeding on whatever they can find. In a normal year, grasshoppers can be a nuisance in a garden, but during an outbreak year, they can present a real threat to gardens, shrubs and small trees.

Young woman photographing leaf-scorched hostas in a garden.

Garden and Yard Problems Solved: How to Submit Photos and Samples to Our Experts

Garden and lawn issues can sometimes be diagnosed by simply looking at a photo. Photos give our Extension experts a place to start, and providing them with the best possible photo can help the process.

Perennial ground cover with pink and white flowers.

Perennial Ground Covers for Sunny Gardens

Do you have any large areas of bare soil in the garden, or perhaps a location that is difficult to mow? Consider planting perennial ground covers to fill in extra space in your sunny location!

a patch of green, weedy flowers with white petals and a yellow center

Invasive Garden Plants: Is That a Weed?

While we generally consider invasive plants like crabgrass, dandelions, and purslane as weeds, just about any plant can be considered a weed when it's in the wrong location.

Brown snailcase bagworm cases on the white underside of a jar lid.

Snailcase Bagworms in South Dakota

A unique insect that has been observed in South Dakota is the snailcase bagworm. Snailcase bagworms are wingless moths that spend their entire life in spiral-shaped “snail” cases, which they build around themselves using a combination of silk, soil particles and fecal matter.

two cucumbers. the one on the top is larger and has begun yellowing. the bottom is smaller and is a crisp green color.

Harvesting Cucumbers

Cucumbers fresh from the garden are a summer treat! Harvesting them frequently not only helps keep the plant producing new fruit, but it also helps ensure that you are picking them at their optimal flavor and tenderness.

Left: Large green leaves of hosta have white and yellow discoloration on the outside edge of the leaves. Right: A green pepper with a tan spot that appears mushy.

Leaf Scorch and Sunscald in the Garden

Long stretches of hot, dry weather will upset the growing habits of all plants and will lead to some unusual symptoms on leaves and produce in the garden. July and August are a prime time to watch for leaf scorch and sunscald.

plant with herbicide damaged leaves

Herbicide Damage to Fruits and Vegetables

Each year in early summer, many growers begin to notice distorted leaves on their fruits, vegetables, and crops. Most commonly the cause is a herbicide application to a nearby field.

Herbaceous perennials growing in a garden.

How to Plant Potted Perennials in the Garden

Herbaceous perennial plants have long been the mainstay of most gardens. Whether you are starting a new perennial garden or adding a few plants to an existing garden, planning and proper planting techniques are key.

Faded cosmo flower being deadheaded with a pair of graden shears.

Enjoy More Flowers in Your Garden by Deadheading Regularly

Deadheading is a simple activity that removes the faded or spent blooms from plants to encourage more flowers. While almost all annuals benefit from deadheading, there are also a few perennials that will bloom for a second or even third time if deadheaded.