An interesting crop of new annual flowers is poised to debut in the 2026 growing season, including a caladium with black leaves and a bright-white zinnia that blooms all summer despite high heat.

Bring your mandevilla indoors when nighttime temperatures are below 50°F. Prune it, inspect it for pests, and treat if necessary before bringing the plant inside. Place the plant in bright, indirect ...

In my professional lifetime I’ve watched this group of flowering tropicals go from being total unknowns to horticultural heroes. I can’t walk past the mandevillas in a garden center without reaching ...