Itoh Peonies: What They Are, How to Grow & Why They’re Worth It

Itoh peonies—also known as intersectional peonies—are not merely a novelty; they are the most significant horticultural advancement in peony breeding since the early 20th century. Developed by Japanese horticulturist Toichi Itoh in 1948 (though not released until 1974), these hybrids…

