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Garden & Yard Issues

All Garden & Yard Issues Content
tall trees in the Black Hills

Tree Pest Alert

From seasonal issues and timely recommendations to disease diagnosis and expert advice, the Tree Pest Alert is a trusted resource for selecting, planting and caring for trees and shrubs all year round.

Leaf with noticeable powdery mildew symptoms.

Powdery Mildew Presence in Your Garden: How to identify and prevent it

Powdery mildew is a common fungal disease that targets a wide range of hosts. It is important to identify its presence as soon as possible to slow its spread and prevent irreversible damage.

A brown spider with black markings resting on top of wooden baseboard along a wall.

Spider-Proofing Your Home This Fall

During fall, spiders often try to find safe places to escape the cooler weather. Unsurprisingly, a warm cozy home is often high on their list. Thankfully, there are some simple steps you can take to help prevent spiders, and other arthropods, from invading your home.

Rhubarb plants with Ramularia Leaf spot and Ascochyta leaf spot.

Leaf Spot Diseases of Rhubarb in South Dakota

In South Dakota, rhubarb is generally hardy, but it can develop several diseases that, when left unmanaged, cause severe damage and decline of plants. Leaf spots caused by the fungi Ascochyta rhei and Ramularia rhei are the most-common diseases we observe.

Annual trials garden at McCrory Gardens
Apr 06

Garden Hour

SDSU Extension's Garden Hour will return as a limited series during the fall and winter months, occurring every other month.

Annual trials garden at McCrory Gardens
Feb 02

Garden Hour

SDSU Extension's Garden Hour will return as a limited series during the fall and winter months, occurring every other month.

Annual trials garden at McCrory Gardens
Nov 24

Garden Hour

SDSU Extension's Garden Hour will return as a limited series during the fall and winter months, occurring every other month.

A green plant with spire-like white and pink flowers.

SDSU Extension continues Garden Hour with off-season webinars

August 24, 2026

South Dakota State University Extension will continue its popular Garden Hour series with four webinars during the off-season.

A group of raised ground beds with crops growing in them at McCrory Gardens in Brookings, South Dakota.

Garden Hour

Make the most of your garden and landscaping with weekly insights and ideas from our team of experts.

green tomato with a rotten spot showing blossom end rot

Problems and Solutions

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