How to Properly Fill a Large Plant Pot?

If you like large plants or ornamental trees, then you need appropriate flower pots for the root system to be comfortable. You can purchase this from any specialty store or buy large planters online for shipping. Materials range from heavy ceramic to lightweight fiberstone. The variety of shapes, sizes, colors, and designs will impress you, so you just have to choose the right soil for your plant. But the problem is its quantity. The larger would be a planter, the more soil its volume requires. And less expensive substances is used to fill part of the pot.

Determination of the Additional Filler Volume

To add an additional substance to the soil, you need to study the characteristics of your plant. Find out how much soil it needs for normal root growth. You found out what is the root system depth of your plant and now you need the same amount of soil. Now you can select the material that should be placed on the pot bottom. Make sure it also acts as a drain to allow moisture to flow into the drain hole. If your plant is outdoors, the roots may rot when it rains. To avoid this, choose the most correct substance that can allow moisture to pass from the pot bottom.

The Material Choice for Filling the Pot Bottom

You need a material that can significantly lighten the whole weight of the pot. If the root system of your plant allows additional material to be added down the planter, then opt for the lighter types. The best solution is plastic. But it can also be:

  • big plastic bottles,
  • egg cartons,
  • soda cans (wash before use),
  • plastic containers with lids (or put them upside down),
  • big milk containers,
  • tin cans.

Any choice you make needs to be washed and dried. Then you need to grind or crush this. It is also important to add more holes if you are using plastic or aluminum containers. This is necessary so that the moisture after the roots passes through this mass like a filter and leaves the bottom of the planter. Many growers also prefer packing peanuts. Taking into account the peculiarities of the root system, the optimal volume of filler is 1/4 to 1/3 parts (at the bottom).

There are also other fillings that can be divided into 3 categories: foam, natural, and heavy. Each of them has its own characteristics and can be chosen according to the preferences of the plant and your should move the pot frequently.

Foam filler:

  • foam coolers,
  • flower foam,
  • foam blocks,
  • packaging of peanuts,
  • plastic or polystyrene foam glasses.

Natural fillers:

  • pine cones,
  • peat,
  • chips,
  • twigs,
  • leaves,
  • coconut fiber.

Heavy fillers:

  • stones (gravel),
  • big stones,
  • wooden sticks,
  • broken ceramic pieces,
  • sand (compact this or mix with soil).

Features of Pot Filling

If you have grown other plants in this planter, wash it thoroughly before adding other soil. This is important to remove harmful bacteria or mold. Choose a suitable place where you will grow the plant, set up the pot before adding soil (it will be much harder with soil). Make sure your flower pot has drainage holes. If you plan to put it indoors, you will need to stand something under the planter to collect the excess water.

Put the chosen filler inside the planter and then add the fertilizer. The ground with your plant goes last. You also need to create a stop area between the filler and the soil, use a shop bag or take cheesecloth. You should leave around 4 inches between the top part of the planter and the soil. It is necessary to water the plant more properly. Add water. You will need to water the ground around the pot completely, moving slowly with a small stream. Continue until water starts to drain.

The article was prepared by Rose – the author of the online store for flower planters GetPotted.com

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