Plants or Crops
All Plants or Crops Content

Alfalfa Weevil Activity Prediction Update: May 29, 2025
The lowest calculated degree days in South Dakota indicate that fourth instar larvae should be active, while the highest calculated degree days suggest that pupation is occurring in the field.

Fusarium Head Blight Update: May 29, 2025
Fusarium head blight, also known as scab, is a fungal disease that infects wheat heads during flowering. Recent weather conditions across South Dakota have provided the environment needed for Fusarium head blight to begin infection.

Dicamba-Resistant Kochia Can Likely Be Found Across South Dakota
Kochia populations collected across South Dakota have been subjected to an herbicide effectiveness screen, where a treatment of dicamba was applied and some kochia plants exhibited survival and regrowth after treatment.

The Poinsettia and Its Relatives: Exploring Unique Euphorbia Species
Euphorbias are versatile plants, with species suitable for both indoor and outdoor environments. Whether used as decorative houseplants, or as garden perennials, these plants offer a unique aesthetic, and require minimal care.

Keeping Your Poinsettia Alive for Next Christmas and Getting It to Re-Bloom
With proper care, the poinsettia’s vibrant colors can be maintained throughout the year. Learn some tips tfor keeping poinsettias thriving and blooming again for the next holiday season.

Are You Photoperiodic? Poinsettias Are: An Explanation of This Unique Plant Process
Poinsettias are photoperiodic, which means they rely on cues from nature, like the shortening day or night, to change how they grow. Learn all about this unique plant process and how it helps Poinsettias bloom and re-bloom.

Sweet Woodruff: Attractive Groundcover for Shady Gardens
Sweet Woodruff (Galium odoratum) is an attractive plant that makes a finely textured ground-cover perennial for shade gardens.

Lupines for Northern Gardens
Lupines (Lupinus), a genus of plants in the legume family Fabaceae, are popular plants in the United States. In addition to their aesthetic value, lupines provide a variety of benefits to the garden.

Lungwort: A Winter-hardy Perennial for Shade or Part-shade Gardens
Lungwort is a great plant for the partly sunny or shade garden, offering multiple seasons of interest, starting with flowers in early spring, followed by the development of new, basal leaves decorated with white spots and blotches.

Red Sunflower Seed Weevils in South Dakota
Fact sheet on red sunflower seed weevils in South Dakota