Perennials

All Perennials Content

Jugs lined up outside with snow inside.

Winter Sowing in the Northern Great Plains

Winter sowing is a technique used to start seeds that have a requirement for cold stratification, including many native perennials. View some expert tips and a step-by-step guide for getting started.

Pink english rose

SDSU Extension, McCrory Gardens host free series on caring for roses

February 20, 2024

The Caring for Roses in South Dakota webinar series is from 12:30 to 1:30 CST/11:30 to 12:30 p.m. MT on March 19, 20 and 21, 2024, via Zoom. Experts will share the art and science of caring for roses, highlighting their own experiences with the popular plant.

a picture large purple flowers with yellow centers surrounded by dead leaves and grey landscaping rocks.

Landscaping Best Practices for Pollinators and Beyond

Our yards are all part of a greater ecosystem. By incorporating some best practices into your landscaping routine, your yard can develop healthier soil, support more pollinators, and reduce the need for pest control.

A large orange butterfly with white spots feeding on a pale pink flower in a green grassy area.

Planting for Specialist Butterflies

Monarchs are not the only specialist pollinators in South Dakota. Many other butterflies also require a specific plant or family of plants to lay eggs on. Learn about some important host plants to help specialist butterflies in your yard!

Orange and yellow zinnia flowers.

Beneficial Flowers for Organic Vegetable Production Systems

Learn about a wide variety of flowers that can be planted in guard rows among vegetables to attract beneficial insects and reduce pest pressure in organic vegetable gardens.

Tulips blooming near the entrance to McCrory Gardens.

McCrory Gardens Trial Report aids in flower selection

June 20, 2023

The 2022 McCrory Gardens Trial Report, issued this spring by South Dakota State University Extension and McCrory Gardens, helps South Dakotans choose flower varieties that do well in local conditions.

Patch of phlox with white, speckles throughout the leaves due to spider mite feeding.

Spider Mites on Garden Phlox

During warm, dry weather, spider mites are a common pest of phlox, causing speckling, bronzing, and yellowing on leaves due to feeding behavior. Learn how to identify and manage infestations before they impact your garden.

Three perennial trial plants: Sedum 'Rock 'N Grow® Back in Black', Ornamental Oregano (Origanum) ‘Drops of Jupiter’, and Russian Sage (Perovskia) 'Sage Advice.’

A Look Back at Top-Performing Perennials From the 2022 McCrory Gardens Trial

Are you looking for new ideas of what to grow in your garden? Take a look at six of the top-performing perennials as judged during the 2022 growing season at McCrory Gardens.

Four top-performing perennial plants: Phlox ‘Opening Act Pink-a-Dot,’ Ornamental Onion ‘Serendipity,’ False Sunflower ‘Tuscan Sun,’ and Coral bells ‘Dolce® Wildberry.’

2021 McCrory Gardens Trials: A Look Back at Top-Performing Perennials

Are you looking for new ideas of what to grow in your garden? Let’s take a look at the six top-performing perennials as judged during the 2021 growing season at McCrory Gardens!

Three early spring blooming flowers: Chionodoxa, Fritillaria, and Helleborus.

Early Spring Bloomers

From the delicate "Glory of the Snow" to the stunning "Lenten Rose," learn about some of the beautiful, lesser-known, spring-blooming perennial flowers that can be grown in South Dakota gardens.