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Content by Nick Volesky

Two pictures of green grass demonstrating their physical differences.

Preemergence Crabgrass Herbicide Decisions

The optimal application window for preemergence herbicides to manage crabgrass in turf is normally during April, and earlier in the month during warmer years.

A young master gardener setting up a “make your own seed bomb” station at a seed swap.

How to Organize a Seed Swap

A seed swap is a gathering of people who come together to share seeds, including vegetables, herbs, and flowers. Learn some tips on planning a seed swap event to help build excitement for the upcoming growing season!

Annual trials garden at McCrory Gardens

Square-Foot Garden Sample Planting Layout

Learn how to maximize produce production and space using a square-foot layout design.

Rows of cut flowers and vegetables
Apr 11

Cut Flower Camp @ Rapid City

SDSU Extension will host a daylong camp for aspiring and current cut flower farmers and florists on April 11, 2026, from 8:30 a.m.-6:00 p.m.

Narcissus spp. bulb with green shoots emerging from bare soil.

Warm Winter Temperature Impacts on Flowering Bulbs

Warm winters underscore the importance of temperature in regulating bulb growth, as the right sequence of warm and cold periods is critical for healthy shoots and properly formed flowers.

Two broccoli plants exhibiting early black rot symptoms.

Black Rot of Brassica Crops

Black rot is an uncommon, but devastating bacterial disease in South Dakota that can develop during extended periods of hot and wet weather, leading to rapid and widespread crop loss.

Dark-green gelatinous masses on a patch of grass.

Nostoc in Lawns

Nostoc is a genus of cyanobacteria that form colonies in gelatinous masses. In South Dakota, it commonly appears in home lawns, notably in patches where grass is not growing, especially after periods of rain.

Raised-bed style cold frame structures with brick frames and glass lids.

Cold Frames

Cold frames are structures that provide a method for extending the growing season, allowing gardeners to begin production earlier in the spring or continue later into the fall.

Person carving a pumpkin on an outdoor picnic bench.

Pumpkin Carving Preservation

Pumpkin carvers can use several techniques to slow or prevent the spread of pathogens and help their jack-o’-lanterns last longer. Learn some expert tips for getting the most out of your pumpkin carvings this fall.

Northern Corn Rootworms on sunflowers, zinnias, and dahlia flowers.

Corn Rootworm Presence in Cut Flowers

Multiple cut flower farms in Eastern South Dakota have reported corn rootworms on a variety of crops, including sunflowers, zinnias, and dahlias. Careful attention to species present, their timing, and the damage they cause can help inform integrated pest management strategies.