At the industrial Portland warehouse of solar-power and green-roof purveyor SolTerra Systems, 1,200 plants do the dusting. “We used to mop twice a week,” says SolTerra president Brian Heather of ...
Big on ideas but short on space? Maximize your yard’s potential by growing up — not out — with vertical gardening. Long a staple in Europe, vertical gardening is blooming among U.S. landscapers, ...
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