The plants a professional selects for his own home garden are worthy of a close look. When that professional heads a research program that develops, evaluates and selects new trees and shrubs for introduction, his personal choices are worth at least two looks and the beginning of a search to obtain them.
Centuries ago there was tulipomania. More recently and on a larger stage, there was the dot-com bubble, followed by the housing bubble. We know what happened to them.
Gardeners now seem caught up in a hydrangea frenzy. There are mopheads, lacecaps, and Annabelle types, not to mention oakleaf and Japanese panicle hydrangeas. For the truly smitten, there are Japanese mountain hydrangeas (serrata), villosas, and other more tender species and varieties.