• Want to Tackle Diseases and Pests in Roses?

  July 14, 2020

  to attract the male butterflies. The damage is caused not by the butterflies, however, but by the caterpillars. These can be tackled with beneficial nematodes

• Keep a Close Eye on Thrips

  May 21, 2020

  it's time for extra action! Sticky traps lure adult thrips Keep in mind that by the time the first thrips appear on the sticky traps, the infestation will [...] never appear on the sticky traps simply because they cannot fly. In short: by the time you see thrips on the sticky trap, the thrips problem has already

• Enjoy multiple benefits against spider mite with Spical

  December 14, 2021

  thousands of dollars in turnover! Early release You can avoid this misery simply by taking action early. In concrete terms, this means you need to use Spical [...] Any type of chemical spraying results in crop damage, which you can avoid by being conservative with the number of spraying applications. Reduced use of

• Trade Show Dates for Koppert's Cannabis and Ornamental Crop Team

  December 18, 2024

  Cannabis Convention] | March 21–22 | Boston, MA • Cultivate ’25 [Presented by AmericanHort®] | July 12–15 | Columbus, OH • PPA [2025 National Symposium]

• Premium quality around the world

  March 17, 2023

  Designed with growers in mind Inspired by Nature: new design, same trusted quality Our new branding: inspired by nature Koppert's daily mission is to provide

• Why Isarid is a grower-approved ally against pests in ornamentals

  August 31, 2022

  and disease management program. Green Valley Greenhouse, founded in 1977 by Wayne and Jane Davis and located in the northwest suburb of Ramsey, MN, produces [...] Isaria fumosoroseus , and we won't go back. There's no comparison; Isarid is by far the easiest one to use,' Andrew Butler, head grower at Green Valley Greenhouse

• A legacy of sustainability: Stolk Brothers and Koppert’s shared vision

  February 17, 2025

  “In the early 90s, my father and uncle began working with Koppert, driven by firsthand experience of the impact of chemical pesticides. My father developed [...] experiment with a garlic-based product. We applied it in the evening, and by morning, the entire greenhouse smelled like a giant shawarma stand. Our workers

• Red Headed Flea Beetle Eradication Described in April 2025 GrowerTalks Issue

  February 25, 2025

  and Why of IPM We Know What Eradicates Red Headed Flea Beetle , an article by Koppert’s national ornamental consultant team manager, Jeremy Webber, appears

• Reducing our CO₂ footprint, one bottle at a time

  August 6, 2025

  The new bottles are fully recyclable and support our sustainability targets. By 2030, European regulations will require plastic packaging to contain at least

• A viable alternative to chemical pesticides: Koppert’s natural enemies effectively control pests in outdoor crops

  August 4, 2023

  methods are simplifying the use of our biological solutions in the field. By working closely with growers to optimize existing solutions and develop new [...] the presence of chemical pesticides that may be harmful to natural enemies. By engaging with growers, Koppert aims to offer even more natural alternatives