Among the blooming perennials of late summer is one that guards its secrets closely. The lockbox blossoms of white turtlehead (Chelone glabra), a native plant in the plantain family, are an ideal ...

I was visiting a local garden center last weekend to purchase some chrysanthemums when I noticed a Chelone plant in flower, reminding me what a versatile late-season plant it is. Turtlehead is the ...