Hello Gardeners, I’m Amanda McNulty with Clemson Extension and Making It Grow . Field grown tomatoes can be effectively pollinated by wind but the addition of powerful buzz-pollinating insects, bumble bees and the much-maligned carpenter bees, improves the outcome. When growing tomatoes in greenhouses, the producers can either use mechanical pollination or maintain colonies of bumblebees. Effective mechanical pollination requires workers to vibrate each fruiting cluster with devices, sometimes