Ed Snodgrass stands on stage 1 – the green roof. Ed Snodgrass is the internationally known green-roof author, consultant and grower whose own Maryland nursery experienced downpours gushing downhill, unstopped by mere turfgrass. Of course he was using vegetated roofs, but that wasn’t enough. As Ed wrote me, “Even though the farm is mostly pervious, in…

via Stormwater Management at its Most Beautiful by Susan Harris — Garden Rant

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