A large genus, comprising both herbaceous and shrubby kinds. Some of the best of the latter are dealt with in Chapters 9. and 19. Forcing is treated in Chapter 26. The following are all good shrubs and have white flowers except where otherwise stated; the figures indicate the average height: Aitchisonii, cream, 6, summer; arguta, 4, late spring or early summer; discolor ariaefolia, 8, summer; bella, 3, red, July; bracteata, 3, June; bullata (syn. crispifolia), pink, 1 1/2, summer; japonica (syn. callosa), rose, 4, June; j. Anthony Waterer, crimson, 3, summer; j. Bumalda, crimson, 3, summer; atrosanguinea, pumila alba and superba are also forms of japonica (note that japonica is not the Spiraea japonica of bulb merchants, which is Astilbe japonica); media (syn. confusa), 3, June; Douglasii, rose, 6, August; Lindleyana, 6, August; prunifolia flore pleno, 3, spring, double; Cantoniensis (syns. corymbosa and Reevesiana) 3, summer; canescens (syn. rotundifolia), 4, summer; salicifolia, pink, 4, July; and sorbifolia, 4, summer. Others are hypericifolia, laevigata, nobleana, opulifolia (syn. Neillia opulifolia) and tomentosa; Laevigata has foliage resembling the Spurge Laurel.
Fig. One Of The Newer Meadowsweets. Spiraea Henryi. Photo by R. A. Malby.