Plastics with the recycling symbol 4, 5, and 2 are safe to re-use for gardening on your balcony

When it comes to plastics, the saying goes: 4, 5, 1, 2, all the rest are bad for you.

However, #1 (PET) is not ideal since it's often thin and intended for single use (think plastic water bottles) . Hence, it breaks down quicker and may pose a risk of leaching.

Consider re-using these for your gardens.#4 - LDPE#5 - PP#2 - HDPE