Grow shallow-root plants such as radish, spinach, and strawberries. The good news is that we've done the legwork so you can grow microgreens indoors without toxic plastic! Galvanized steel is steel that’s been coated in a layer of zinc to prevent rusting. Ninety-five percent of this is cleared by the kidneys. Cooking these in aluminum can alter the food’s flavor and appearance and leave the pan with a pitted surface. Source(s): aluminum pots safe plants: https://tr.im/UpOug. The FDA's current position is that the use of BPA in food packaging is safe, though the agency acknowledges it's an issue that requires continuous monitoring. The types of rain gutter most often used for gutter gardening are made of vinyl or aluminum. The Centers for Disease Control and Prevention (CDC) estimates the average adult consumes 7 to 9 mg of aluminum daily from foods, not including the amount that can leach into food by cooking with aluminum pots or pans. "Container gardening" is a fairly common practice, and plastic buckets are the medium of choice. Lightweight aluminum is an excellent heat conductor, but it’s also highly reactive with acidic foods such as tomatoes, vinegar, and citrus. Here are a few links that tell you why you don't plant in metal containers. If you have limited space or a short growing season, you may be considering growing food in small containers. Galvanized containers are metal containers that are thoroughly cleaned and then covered with a zinc coating. However, wrapping your food in a sheet of aluminum foil is also an easy way to put yourself at risk for health hazards. However, with new information about plastic safety, you may be worried about chemicals leaching into your food. So you've rounded up your rich soil and organic seeds, but things start getting tricky when you look at those darned sprouting trays!After you work so hard to grow microgreens without endocrine-disrupting pesticides, they shouldn't end up being ruined by the stupid container they grew in.. ... are aluminum pots safe for plants? Which Plastics Are Safe to Use as Containers to Grow Food?. Aluminum serving dishes are lightweight, sturdy and relatively inexpensive -- but you may wonder if they are safe. Keep reading to learn more about planting in galvanized steel containers. Most of the environmental aluminum … Growing Plants in Galvanized Container. Concern about health problems that might be caused by aluminum leaching into food from cookware, serving dishes and foil has been around for decades. This makes it especially good among metal plant containers, because the presence of soil and water means a lot of wear and tear for containers. 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