When one of our flowerbeds was in urgent need of some sprucing, we acted on a tip from a landscape architect friend and headed east to a wholesale nursery. The place turned out to be a sprawling, plant-hunting goldmine. The only hitch? We had to pretend...

We entered into our air plant relationship with a bunch of misconceptions. They're generally misunderstood; the mythology goes: they're easy (how difficult can they be — they're like the breatharians of the plant world), they're bland, flowerless, overpriced novelties at Home Depot. Alternatively, it's easy...