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University of Minnesota Extension
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Nursery

Horticultural products, including floral, nursery, vegetable crops, and turfgrass sod, generate $11 billion in sales annually in the U.S. We help keep plants and trees healthy and improve nursery management practices and profitability.

Extension > Garden > Landscape, Nursery and Greenhouse Management

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You can make a difference in conserving the endangered rusty patched bumble bee in your backyard and in urban parks

Keeping urban habitats pesticide free is important for habitat quality and for the recovery of the rusty patched bumble bee. (PDF 326 KB)

You can make a difference in conserving the endangered rusty patched bumble bee in farmlands

Bumble bees and other pollinators need high quality habitat to survive, including habitat on farms. (PDF 307 KB)

2015 toxicity to pollinators of insecticides used in greenhouse, nursery, and landscapes

2015 toxicity (LD50) of greenhouse, nursery, and landscape insecticides to pollinators.

Protecting bees and beneficial insects from systemic insecticides applied in landscapes

The conservation of beneficial insects is an essential part of Integrated Pest management (IPM) programs.

New turf insecticides and IRAC classifications

Turf insecticides differ in efficacy against pests, residual duration, and whether the insecticide is a contact or systemic.

Pollinator conservation

Beyond agriculture, pollinators are keystone species in most terrestrial ecosystems. Many of our native bee pollinators are at risk, and the status of many more is unknown.

Insecticides used in greenhouse and landscapes and toxicity to pollinators

Nursery and greenhouse growers have alternatives to systemic insecticides. The EPA has been registering selective, contact insecticides that conserve beneficial insects and pollinators.

Download the Save the Bees poster (2.5 M PDF)

Learn how to create a landscape that blooms from April to September create a consistent food supply for pollinators to complete their life cycles.

Visit the Center for Urban Ecology and Sustainability (CUES) website

CUES strives to educate landscape managers and urban residents about ways to embrace environmental stewardship by practicing sustainable management.

The Urban Forestry and Horticulture Research Nursery

Tours, demonstrations, workshops, and research for professional arborists, garden center employees, nursery growers, private citizens, and urban foresters

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