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Flower

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Shiny black beetle on a white background.

Black Vine Weevils Becoming Active

Black vine weevils are now showing up across the state. It is typical for the adult beetles to emerge in early summer and begin feeding on plant foliage. They primarily feed on lilacs and yews, both common landscape shrubs. Although the adults cause minimal damage, their larvae feed on the roots and can occasionally be a threat to ornamental plants, especially those grown in pots or containers.

United States Environmental Protection Agency logo.

Cancellation of Several Neonicotinoids

On May 20, 2019, the United States Environmental Protection Agency announced the cancellation of registrations for 12 products that contain neonicotinoid insecticides. The cancellation of the product registrations was voluntarily requested by the companies that had registered the products.

a yellow dandelion flower growing in a garden

Dandelion Season SDSU Extension Has Some Tips to Help with Control

May 07, 2019

Throughout the state, dandelions are running a couple of weeks behind normal, but they are starting to show. If herbicide wasn’t applied last fall, there are still a few things South Dakotans can do to control the yellow-flowered weed said Paul Johnson, SDSU Extension Weed Science Coordinator.

Garden & Yard Issues, Lawn, Flower, Plant

a yellow dandelion flower growing in a garden

Dandelion Season

The yellow flowers of spring are coming. Spring dandelion treatments are not as effective as fall, but they can be used to stop the yellow flowers from producing viable seed.

an image of a man showing a plant to a woman

Celebrate David Graper’s Contributions to South Dakota Horticulture & Master Gardeners April 26, 2019

April 18, 2019

For nearly 30 years, David Graper, SDSU Extension Horticulture Specialist & Extension Master Gardener Program Coordinator, has shared his horticulture knowledge and enthusiasm with South Dakotans.

Community Garden, Master Gardener, Flower, Garden soil, Garden & Yard Issues, Lawn, Plant, Shrub

fruit and vegetable garden with raised beds

Fertilizing Gardens in South Dakota

Publication about fertilizing gardens in South Dakota

An organic garden with flowers, plants, land vegetables growing.

Organic Herbicides

Many gardeners across the state of South Dakota desire to have weed-free gardens, yards and flowerbeds. Many homeowners do not want to use inorganic herbicides due to their potential health effects.

Closeup of a bright red Poinsettia (Euphorbia pulcherrima) plant.

Are you Photoperiodic? Poinsettias Are

Poinsettias need bright light! They can actually probably handle full sun at this time of the year when the sun angle is low in the sky and we often have lots of cloudy weather. The important thing to remember is that if you want to keep your plant healthy, you need to give it enough light so that the green leaves can continue to photosynthesize and produce the carbohydrates that the plant needs to grow.

Chrysanthemum ‘Mammoth Lavender Daisy’, a large blooming plant planted next to grass

Chrysanthemums

Chrysanthemums are the quintessential fall blooming plant that are sold in hundreds of stores of all kinds, all over the region. They are prized for their beautiful display of flowers that add so much color to our landscapes, decks and patios each autumn. They are a favorite of gardeners everywhere and have commonly become known as simply mums, which certainly has a nice homey sounding name. But not all mums are created equal! You need to shop carefully if you want plants that will look good this fall and also come back in future years and bloom before a hard freeze puts an end to their floral display in the fall.

variety of flowers growing in a yard

Flowers & Ornamental

Everyone can enjoy the natural beauty of flowers and ornamental plants with some simple recommendations.