The final part of our best-new-plants-of-2025 series concludes with a look at some of the top new trees and shrubs debuting ...

Long-lived hydrangea shrubs do have some common issues to ... a 'Limelight' panicle hydrangea is hardy in USDA zones 3 to 9, while a 'Nikko Blue' bigleaf hydrangea is hardy in zones 6 to 9).

With their abundance of big kahuna blooms, hydrangeas ... to zone 6. Most varieties of Japanese forest grass are typically green -- or have a variegated white stripe, sort of like spider plants ...

For gardeners living at upper elevations, growing the lovely hydrangea is an excellent choice. Not only does the shrub love the cool ... applying mulch in the root zone can be beneficial.