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DIY Plastic-Bottle Mini Greenhouse

Grow Your Own Garden in This DIY Mini Greenhouse

Now is the time to start sprouting seeds if you're planning a garden this Summer, but this easy technique is also perfect for a windowsill collection of herbs or bright flowers. Save your paper egg cartons and plastic water bottles for a fun project that is so eco-friendly — and supercute. These mini greenhouses are sure to have your space filled with fresh herbs or pretty blossoms in no time.

What You'll Need:

  • Plastic water bottle
  • Scissors
  • One egg carton cup
  • Spoon
  • Soil
  • Seeds or seedlings
  • Small dish


  1. Sprouting seeds is easier than you think, and creating a dome of happiness keeps the starter cups moist and warm. Cut a water bottle in half, saving the bottom half.

  1. Now cut away one cup from a paper egg carton and fill with soil. Tuck a seed or a seedling in the cup, and write the name of the plant on the egg cup or tuck in a little marker.

  1. Place the cup on a small dish, lightly water the soil, and cover with the bottom half of the water bottle, creating a mini greenhouse. Place in a sunny spot, and tend to daily with a few drops of water. Within a few weeks, you should see sprouts growing!

  1. Once the plant starts to outgrow the egg cup, plant in a pot or outdoors. The egg carton biodegrades and nourishes the soil.
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