Formidably durable and elegant, few materials can match the beauty that concrete can yield.  The only drawback is the weight. These are hulking and burdensome.  Aside from that, concrete is superior for weather resistance in all sorts of climates, can resist power hosing and mild detergents, and lay a foundation of authenticity and commitment to any front porch.  These are to be handed down from generation to generation. You could be making an investment when it comes time to see the cashier. However, dependent upon the finishes, craft, and handwork that has gone into the making of a concrete planter. Tip: To ensure the longevity of your concrete planter, always empty and cover it well during the colder months to avoid ice inside the vessel causing it to crack. If you are crafty and want an inexpensive DIY planter project, check out Homebnc.