I have ordered two 5-7 year old citrus trees(orange and lime). Now I am looking for sturdy enough planters to plant them in in my backyard. I am going for the look underneath. However if I get that made out of cement it would way around 800lbs for 31 inches in diameter. My floor is marble and it will likely crack under this pressure.

I see that there are fiberglass options that are a lot lighter. Will those be sturdy enough to contain the trees without breaking over the pressure of the roots.

I am also planting in planters because I don't want the trees to get really big.

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  • 1
    Roots only produce "pressure" if there is nothing that can move out of the way (e.g. a root growing under a concrete slab). In a planter, the roots will just push the soil level up a bit as they grow.
    – alephzero
    Apr 13, 2021 at 22:09
  • 3
    If you are worried about cracking the floor, note that a 31 inch cube of dirt will weigh 1200 pounds (or more if it is wet) even without the weight of the container!
    – alephzero
    Apr 13, 2021 at 22:13

1 Answer 1


Based on my research online and calling a few places the only way to go about a look like this that is not too heavy and is sturdy enough is to go with something made out of metal. Either steel(can get rusty) or aluminum. I found a company that makes planters for trees both from steel and aluminum and that is who I will go with.

Here's a link to their website. Be aware that if you decide to order from them you will need to place an order through a company, you can use your landscapers. This company told me they do not operate directly with individuals.

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