Weed Management in Greenhouses
Thursday, 16 February 2006 13:56
Before placing a crop in a greenhouse this growing season, be sure the greenhouse is free of weeds. One way to prevent weeds is to use weed block fabric on greenhouse floors. To prevent water from puddling and creating a safety hazard, start with a well-drained gravel floor. Place the weed fabric over the gravel and leave the weed fabric bare so it can be easily swept. Covering the fabric with crushed stone will make it difficult to remove spilled growing media and make an ideal environment for weeds to grow.
Also, growers are reminded that the herbicide Surflan is no longer registered for use in enclosed greenhouse structures. Currently there are no preemergence herbicides (applied before weeds emerge) labeled for greenhouse use. However, there are several postemergence herbicides available (applied after the weeds have emerged).
For more information see the fact sheets:
Managing Weeds in Your Greenhouse
Disinfecting the Greenhouse
Tina Smith
