Amazon.com: Elevated Planter Box with Legs - Raised Garden Bed Patio Durable Steel Planter for Backyard Outdoor : Patio, Lawn & Garden
Modern Steel Planter Box - Heavy Duty CORTEN Steel – Lewis Bamboo
Elevated Planter Box, Frame and Covers Kit | Gardener's Supply
Amazon.com: Gardener's Supply Company Raised Garden Bed Elevated Cedar Planter Box | 2' x 8' Standing Garden for Outdoor Plant Vegetables & Flower Gardening Perfect for Patio Deck & Backyard : Patio,
So apparently you can just put planter boxes on your roof, water them from your water catcher like once an hour and you can dump your excess seeds and they grow just
Made a 8x8x2 planter base with 128 large planter boxes on a 2x vanilla server, producing around 80-90k cloth every 90 minutes. (this was without fertilizer and with a perfect GGGGYY gene). :
Corten Steel Planter Boxes: 3 Things You Should Know About Before You Buy.