It is a bit expensive given the material it is build from.
And I'd second Ami's comment that the mix with high water retention qualities will be a must. Even in our not-so-hot (or should I rather say 'plain cool') PNW summers large plastic pots (18 gal) require watering once a day, and 5 gal pots require watering twice a day, as the soil dries up very quickly. It will dry up even faster in the 'Smart Pots' I'd think.
Tania
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