Hydrangea arborescens ssp. radiata ‘Samantha’ is an interesting and unique hydrangea due to its foliage. The differentiating feature of the sub-species radiata is the silver-backed broadly ovate leaves. The abaxial side of the leaf is covered with a bright white downy pubescence.
Native to North and South Carolina in the U.S.A.
Inflorescence: The mophead flowers comprise corymbs of fertile and infertile flowers on long pedicels, 250mm across.
Found by Clarence Towe, Georgia, USA.
Zones: 3 to 9
Size: Large (to 3m).
Color in neutral soil:
Color in acidic soil with AI present:
Pinkish-white (no change)
Ray florets: 4 rounded sepals, entire, pinkish-white. 20mm diam.
Leaves: Simple, opposite and deciduous. Ovate. Margin: serrate. Apex: acuminate. Base: obtuse to cordate. Venation pattern: pinnate. Adaxial surface: mid-green, smooth, glabrous. Abaxial surface: silvery-white, pubescent. 160mm l x 140mm w.