Intersectionals are hybrids between a herbaceous peony and a tree peony.  Foliage is beautiful and flowers are generally large and held on sturdy stems.   This group of peonies is in high demand due to their outstanding plant habits, flowers, and year round appeal.  Plants are very hardy and may be treated as a herbaceous peony.  Many gardeners liken Intersectionals to a herbaceous peony that possesses tree peony-like flowers and generally grow more vigorously than either of the parents.  Excellent plants that are among the best new perennial garden plants available in the past century! 

Sometimes they are called Itoh hybrids in honor of the Toichi Itoh, the hybridizer that created the first of these plants.  Roger Anderson, Don Smith, William Seidl, Irene Tolomeo and Don Hollingsworth are well known hybridizers of this excellent group of plants.  They continue to be rather pricey, but are an excellent value.  Plants are very long lived, can be divided as herbaceous peonies are (with a little more effort, since they are rather woody), are more disease resistant than most Peonies and make outstanding landscape plants-in and out of bloom.

Our plants will be divisions from larger plants grown in our field and are original stock, therefore, are blooming size, true to name and without laboratory mutation.  We do not sell tissue culture plants.  The roots we sell are Standard Divisions (STD roots) and have a healthy proportion of eyes to root mass. In all likelihood they will bloom nicely within the first couple years in your garden (often the first year after planting, but not guaranteed).   Planting depth and care is the same as for herbaceous peonies (plants placed so that approximately 1.5" to 2" of soil cover the upper most eyes-everything is buried.)