Plastic planters are indeed lightweight and affordable, making them a popular choice. However, they can heat up in the sun, which might affect root health. To mitigate this, consider using light-colored planters that reflect more sunlight or placing them in partially shaded areas during the hottest parts of the day. As for durability, plastic tends to wear faster than clay or ceramic but can last several seasons if placed in less harsh conditions and maintained well. Ensure good drainage to prevent waterlogging, which is crucial regardless of the planter material.
