What Bags to Use for Greens? Share This:Courtesy of Brenda S., Thompson Street Farm, Glastonbury CT For greens, I use bags from Pac Sel, in Portland OR. I use twist ties to close them. The bags are biodegradable and breathable so your lettuce stays fresher longer. Related Posts:Keeping Greens Fresh to Sell at MarketHoops Built with Electrical Conduit PipesWhy You Need Farmers Market Liability InsuranceBagging Greens by WeightHow GMO Literate Are You?How Much Goes into a Unit?