Floors: As opposed to concrete floors, ground-cloth floors pose a higher risk of weed infiltration. Sanitation Practices and Preventive Measures for Greenhouse WeedsThe first crucial step in comprehensive weed control is adopting preventative measures and ensuring thorough sanitation practices. However, “Once sterilized, steamed media should be covered and used within a week because it can be reinfested while stored.”Cultural Weed Control PracticesGreenhouse water management can be crucial to curtailing weed germination and growth. For additional information on non-chemical weed management, including the benefits of adding manual hand-weeding and outdoor weed control to regimens, please read the full e-Gro (Electronic Grower Resources Online) alert “Non-Chemical Greenhouse Weed Management Strategies.” Additional and current e-Gro alert pieces from Volume 14 (2025) can be found online. 0 1 5 How to Boost Greenhouse Weed Control with Non-Chemical Solutions