You can put plastic #7 bottles, tubs and jars in your recycling.
Vegetable-based plastics such as PLA are often labeled as plastic #7, but they are not recyclable. Find out what to do with biodegradable bags and compostable cups, plates & utensils.
PET plastic is a petroleum-based plastic while PLA plastic is a bioplastic typically made from fermented plant starch. While PET plastic can be easily recycled, PLA is more difficult to recycle and requires a special facility in order to be composted. Before disposing, avoid contaminating your recycling by double-checking whether your item is PET or PLA and the current disposal instructions for that material.
Green Guide