Build Your Own Seed Starting Rack

Hi folks, I friend messaged me this week asking if I could recommend a seed starting rack.  She is in Wisconsin, so getting started now with her seed starting.

I confess I have little experience with pre-made seed starting racks and systems. I have been gifted with one, but I don’t like it as well as the one my sweetheart made.

Here is the Materials List:

  • Found plywood, 2×2, 2×4
  • Shop lights
  • Chain
  • Hooks
  • Screws
  • Wire
  • Switch box/s
  • Timer
Know your soil – Free Soil Course 

General process to build your own seed starting rack:

  1. Decide where you want to put your rack. It is best if you can place it in front of a window that gets good light as this will enhance the productivity of your rack.  I can also say, it is really nice if you can place it in a permanent location.  Ours was built with screws so it can be taken down an reassembled, but frankly, since I am four season gardening, I just keep it up.
  2. Consider how much space you need for seed starting. Small scale home gardeners may not need much. My rack holds 14 seed trays and that is not enough for all I grow.  Most folks can get away with one bank of lights which will cover two to four standard sized seed trays.  A double bank will give you space for four or five seed trays.
  3. I prefer to use found wood instead of buying new since so much is thrown out these days. We used wood found in a dumpster in back of a store, and some left over from a job.
  4. Build the thing. It can be as simple or complicated as you make it. I have the advantage of having a partner who is a contractor, so he built and wired switches for me.

The best way to show you how we build it is in photos .. so here you go …

DYI Seed Starting Rack
My homemade three tired seed starting rack – front view.  The rack has three shelves and uses old shop lights. We found some of these in the trash, some were from a friend who was getting rid of them.  Each shelf has two banks of two lights.  I use old fashioned ones to have the heat for summer seedlings.  One cool and one warm in each bank which is less expensive than “grow lights”.
make your own seed starting rack
Outside corner of the rack.
build a place to start seeds
Inside corner.
seed rack height
We used hooks and chain, attached to a bar on the outside of each shop light to raise and lower the lights to accommodate different height plants.
put your seed rack next to a window for more light
Inside where the chain is attached to the rack.
The top bank we just had lights so made a really simple holder.
grow plants from seed
The top bank we hung from the ceiling.
Wiring for switches. We have a switch on each side so we can turn on one set of lights on each bank. This allows us to put the trays in either direction for growth or saving electricity if we don’t need both sets of lights at once in a bank.
how to start seedlings
Bottom who shelves filled. I will sometimes put trays on top of the lights until they germinate to make more room, as in this picture.

Know Your Soil – Free Soil Course 

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