Among self-watering containers the EarthBox Original is the gold standard, and it suits balcony, patio and indoor-outdoor gardeners who can't water daily. Sub-irrigation from a 3-gallon reservoir buys 3-7 days of vacation reliability. Capacity is the obvious trade-off, since 2 cubic feet won't replace a real raised bed. For what it does, nothing else on this list comes close.
- — Sub-irrigated 3-gallon reservoir keeps plants watered for 3-7 days between fills
- — Tool-free assembly — usable in under 5 minutes out of the box
- — Includes everything to start: aeration screen, fill tube, fertilizer, dolomite, mulch covers
- — Only 2 cubic feet of soil capacity; not a substitute for a full raised bed
- — Mulch cover is mandatory — leaving it off allows rain to flood the fertilizer strip and burn roots
- — Optional caster bases sold separately for mobility