Shades of chartreuse are among my favorite hues in the garden. Creeping Jenny “Goldilocks” delivers a vivid splash of this color, and I use it often in hanging baskets, containers and window boxes.

Perennials for cool season containers may seem like the proverbial horticultural oxymoron, but that is exactly what I have been planting the last few days in my zone 8a landscape. My favorite pansy ...