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“Like a coffee capsule machine, but for plants,” reads Click & Grow’s marketing copy. Sure enough, the Click & Grow Smart Garden’s seed pods come in a Nespresso-evoking plastic three-pack with a tear-off cover. (Pods run about $3 to $5 each.) Put a nutrient-packed “smart soil” seed pod in one of the Click & Grow’s cups with the wicking bottom, fill the reservoir, and that’s it. In what was the most simple watering system I tried, a wick at the bottom of the cup will bring water up to the…
