Denizens of the Drylands

Whether your garden spot boasts sandy or gravelly soil that drains too quickly or reflected heat from a concrete walk, ­driveway, or foundation wall, it’s an ideal position for a whole host of xeric herbs.

The white-edged leaves of horehound ­(Marrubium rotundifolium) lend a spicy aroma to an early-spring partnership with grape hyacinth (Muscari spp.). Photographs by Randy Tatroe