Metal flower pots are always touted as a great investment option owing to their durability and robustness. But, before you decide to fill your garden with them, here are some things that you might want to know.

Metal and flower always seem like water and oil, one is so homely and colorful while the other is mostly associated with industrial works. The contemporary and modern look of metal pots made from cast iron, galvanized zinc, or even copper gives a warm and homely appeal.

But several drawbacks may outweigh its physical aesthetics and appeal. For this post, we are going to briefly look at some of the drawbacks that should be at the back of your mind when buying a metal flower pot.

It may destroy plant roots as well as attract heat

One of the key areas of concern about the metal flower pots is the fact that it absorbs and attracts huge amounts of heat. The results are the roots and plant soil may become extremely hot then they should.

In some adverse cases, the flower roots can completely overheat as a result of the direct sunlight, due to the poor insulation of these pots your gardening will turn into an extremely difficult venture. To minimize root damage, you’ll have to add a protective layer of insulation such as clay or plastic pot liner.

metal flower pots

metal flower pots*

Fertilizer salts can corrode the metal finishing

Metal flower pots come in a wide range of finishing options, the fertilizer salt used to boost the growth and development of these flowers can damage the metal finishing. Despite being used for flowers, some of these pots are not meant to be mixed with soil.

Health risks

They were old-fashion and traditional metal pots which were made of lead, this was extremely toxic and posed a major health hazard. Other gardeners as opposed to using galvanized steel as flower pots due to the leaching of zinc which is harmful to the soil, the flower itself as well as edible foods.

Some may argue the fact that it takes years before zinc can have a negative impact on the soil but the fact remains that they still have adverse effects. Acidic plants pose the biggest environmental risks as they can still leach onto the surrounding environment. For some, it’s still a controversial topic, but it’s just better to avoid it together.


When rust comes into mind, one of the first things we think about is metal. Metals are notoriously known for rusting and your metal flower pots are no different. Flower pots are normally exposed to water and as a result, your metal pots will rust even faster.

If you live in a humid area of a place with lots of water, you’ll be required to add a rust inhibitor which will prevent your inhibitor which will minimize rapid deteriorating.


It’s no secret that metal flower pots are quite heavy, depending on the type of metal that you use; the weight is going to vary. Always choose a metal pot material that is going to suit your needs and preference.