Mini Greenhouse plans

12 DIY Mini Greenhouses For Small Space Gardens

A DIY mini greenhouse is the ideal solution for plant growing and seed starting in small spaces. Not everyone has a large outdoor space to accommodate a full size green house, but even apartment dwellers can enjoy the benefits of a DIY small greenhouse. Tiny greenhouses have a variety of uses, like nursing sick plants back to health, growing fresh herbs and vegetables, propagating plants, starting plants from seeds and over-wintering plants. Check out these 12 DIY mini greenhouse ideas to find the right one to meet your plant growing needs.

Also check out round up of various types of homemade greenhouses, wooden greenhouses, cold frame plans.

  1. Recycled Windows

These small greenhouse plans show you how to recycle five old windows and a wooden pallet into a functional greenhouse.

  • Four equal sized windows and one smaller window.
  • One wooden pallet.
  • Clean window glass.
  • Join the four same size windows with screws to form a box.
  • Place smaller window on top of box and mark where it ends.
  • Remove small window and use wood slats from pallet to fill in the gap on top. Attach slats with screws.
  • Place window back on top and attach to wood slats with two hinges for easy opening.

small greenhouse plans

  1. Five Window Greenhouse

This design uses five windows to create a small greenhouse that is portable and functional. Three windows are the same size and are used to create two opposite sides and top lid, and two smaller windows are used to create the front and back. No extra wood is needed, the wood framed windows are screwed to each other. Easy to move as-is, easy to take apart when no longer needed.

Five Window Greenhouse

  1. Clear Plastic Bin

This YouTube video shows you how to build a mini greenhouse using an ordinary plastic bin. Use a deep bin so you can add an interior rack to double the growing space. Perfect for an indoor mini greenhouse.

  1. Pallet Greenhouse

Easy mini greenhouse design using wood pallets and plastic sheeting.

  •  Use one pallet to create the bottom floor.
  •  Use wood slat from another pallet to create a triangle on top of the floor. Secure with screws.
  •  Cover all but one side with plastic sheeting. Secure into place with staples.
  •  Create a a wood frame door for the last side of the triangle using wood from the pallet.
  •  Cover with plastic sheeting and attach with hinges for easy access.

Pallet Greenhouse

  1. Storm Window Greenhouse

A wood frame and a few storm windows makes a nice homemade greenhouse.

  •  Measure storm windows and use 2x4s to create a box which the storm windows will be attached to.
  •  Three storm windows are used for this design – one for the front and two for the sides. A back and top are not needed since this. small greenhouse sits on a covered porch with the back against the exterior of the house.
  •  Attach the two side windows to the frame with screws.
  •  Attach the front window with hinges so it can be opened.

Storm Window Greenhouse

  1. Fold Up Greenhouse

This mini greenhouse design is tall enough to stand upright inside of and built to be folded and put away when not in use. This design is great for gardeners who want to start plants from seeds in the late winter and extend their growing season in late fall. Easy to fold and store when not in use.

Fold Up Greenhouse

  1. Small Greenhouse

This is a small version of a traditional greenhouse. Step by step pictorial and written instructions show you how to build a greenhouse in your own backyard that is small in size yet large enough to hold plenty of plants.

Small Greenhouse plans

  1. Mini Greenhouse

Adorable and functional, this design easily becomes a part of the outdoor landscape decor while providing an interior that promotes plant growth. Six windows create the four sides design with a pitched roof. Get the detail at craftsalamode.com

Mini Greenhouse

  1. Table Top Greenhouse

This mini greenhouse is easy to build and fits nicely on a table top. Use these free plans to create a safe, warm environment for ailing houseplants or for showcasing houseplants outdoors. This mini green house is inexpensive and easy to build and is created from large photo frames.

Table Top Greenhouse

  1. Raised Bed Garden Greenhouse

Convert your raised bed garden into a small greenhouse to extend your growing season. Create a hoop structure over the raised bed with PVC pipes and cover with white plastic sheeting. Perfect for starting garden seeds in the raised beds and for growing crops all the way into early winter. Plastic is removed and replaced as needed while PVC pipe hoop frame is left in place. You may also like to see 12 ideas to build a hoop house.

Raised Bed Garden Greenhouse

  1. CD Case Greenhouse

Recycling and ingenuity at its finest. Old, clear plastic CD cases can be transformed into a functional mini greenhouse with this idea. Use clear glue to attach CD cases to each other and create the size and shape you want. Apply painter’s tape to hold the cases together until the glue dries. No need to build a frame for this sturdy design.

CD Case Greenhouse

  1. Umbrella Greenhouse

This is the simplest mini greenhouse design of all – a clear umbrella opened and placed over a large container of seed or plants. Perfect for an herb garden and/or for someone who lacks DIY skills. Fill a large, round container with potting soil, plant herb seeds and stick the pole of a clear, opened umbrella in the center of the soil. Allow 1-2 inches of space between the bottom of the umbrella and the container for air flow.

mini greenhouse design

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