I have been spending a lot of time in the southern savannas for work lately, walking through the savanna and clay soils that turn an orange-red after rain. Earlier this week, during one of those hot, ...

Among plants that withstood last winter's ravages is blueberry flax lily, a 30-inch tall, clumping perennial with straplike, variegated leaves that form a fountain of colorful foliage. Native to ...