Make Super Cheap Seed Starters - DIY Tutorial shows you how to make Soil Blocks with a mold you can use to raise seeds indoors in recycled plastic containers. Great technique for minimising transplant shock.
What can you use those wood ashes into? Make lye water out of ash. You can boil spoons of ash (clean white/grey fluffy ash) with water and then filter it with a coffee filter. Lye water is a great cleaning agent and sanitizer for .
Elevated Patio Grow House - Thanks, Gardener's Supply Company but I think it would be pretty inexpensive to make this awesome idea! (I'd definitely add locking wheels!) Great for the suburban or urban gardener !