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How to Repot Cactus Soil

Oftentimes, gardeners find that they must repot their cactus soil after the plant has fallen over or contracted a disease such as root rot. Cactus soil must have adequate draining abilities. Cacti planted in compacted or poorly draining soil will contract a disease. Furthermore, there must be enough soil in the container to just barely cover up the root system of the plant. Planting a cactus in too little soil encourages future health problems.

Things You'll Need

  • Sifter
  • Bucket
  • Potting soil
  • Pumice
  • Coir
  • Container
  • Newspaper
  • Gravel
  • Saucer
  • Pea gravel
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Instructions

    • 1

      Pour potting soil through a sifter to remove large pieces of mulch, peat moss or other organic materials besides dirt. Organic tree materials soak up moisture and prevent adequate drainage.

    • 2

      Mix in a bucket one-part sifted soil, two-parts pumice, and one-part coir. Pumice is a light weight volcanic material that holds moisture. Pumice conserves enough moisture to prevent your cactus plant from completely drying out. Coir is a fibrous material made from shredded coconuts, which helps retain adequate moisture and air.

    • 3

      Check the bottom of the cactus plant's container to ensure that there are drainage holes at least 1/2 inch in diameter. Pour the soil mixture into the container up to 1 inch from the top.

    • 4

      Wrap a piece of newspaper around the cactus to keep you from getting poked. Place the cactus inside of a hole made in the dirt that is twice the size of the root ball. Pack soil around the base.

    • 5

      Spread a 1-inch layer of gravel over the top of the soil. By spreading gravel, gardeners reduce the risk of the cactus contracting a disease from splashing water.