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What you need:
  • Assorted houseplants
  • Terrarium or aquarium
  • Decorative rocks
  • Gravel
  • Potting soil
  • Sphagnum moss
The container being used in this tutorial was designed specifically for use as a terrarium. A regular aquarium would work just as well. Regardless of the container you choose for your terrarium you will want to add a layer of gravel to the bottom of it. Next, add a few inches of soil. Terrariums do not generally have drainage holes, so without the gravel the soil would turn to muck.
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Position the plants you will be using in the bottom of the terrarium in whatever design you want to plant them in.
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Remove each plant from its pot and gently tease out the roots. Shake off any excess soil form the root ball.
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Insert the plants into the terrarium one by one. Firm the soil down around each plant to remove air pockets. The plants will need room to grow so don't place them too close to one another.
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Once the plants are in place, top dress the soil with a little slow release fertilizer. Next, add a layer of moss to the terrarium. The moss will keep the soil from drying out.
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Add some decorative rocks to the terrarium if you wish.
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After you have everything positioned the way you want, spray the plants and moss lightly with a fine mist of water and replace the top. If you are using an aquarium, you will need to make a lid for it. A piece of plexiglass with a few holes drilled in it works fine.
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These plants will do well in a terrarium:
  • Adiantum - maidenhair fern
  • Alternanthera varicolor
  • Ficus pumila - creeping fig
  • Fittonia - mosaic plant
  • Hedera helix, especially dwarf varieties
  • Peperomias - many miniatures
  • Pilea - aluminum plant
  • Pteris ensiformis "Victoriae" - Pteris fern
  • Rosa - miniature roses
  • Saxifraga sarmentosa - strawberry begonia
  • Selaginella - club mosses
  • Sinningia pusilla - miniature gloxinia
  • Helxine - baby's tears
  • Marantas - prayer plants
  • Cacti and Succulents