Click for previous Image Image 1 of 3 Hydrangea arborescens subsp. radiata Smooth Hydrangea

Hydrangea arborescens subsp. radiata 'Samantha'

Smooth Hydrangea

Plant Type:


​Hydrangea arborescens subsp. radiata 'Samantha' - Glorious white mopheads top handsome dark green leaves with blinding silvery-white undersides. The mopheads are sometimes infused with bare pink which is lovely. This is basically the mop-head version of H. arborescens subsp. radiata which conversely is the lace cap version of 'Samantha'! Both are beautiful. Part shade in fertile, draining soil. Can be cut back seasonally as Hydrangea arborescens flowers on new wood. 'Samantha' was introduced by Wilkerson Mill Gardens. Established pot grown starter shrub from cutting. If ordered in our autumn shipping window these will arrive pruned for next year's performance.


4-6 ft


5-7 ft




(3)4 to 9
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Item Description Price  
HYDARSAM Hydrangea arb. ssp. radiata 'Samantha' (5 inch Square x 6 inch Tall - 2 quarts / 1.8927 liters) $28.00 Sold Out

Characteristics and Attributes for Hydrangea arborescens subsp. radiata 'Samantha'

Season of Interest (Flowering)

  • Summer

Season of Interest (Foliage)

  • Spring / Summer / into Autumn

Nature Attraction

  • Honey Bees & Native Bees


  • Morning Sun / Afternoon Shade
  • Mostly Sunny


  • Hedgerow
  • Natural Garden
  • Specimen
  • Labyrinth
  • Woodland
  • Shrub Border
  • Hedge
  • Cutting Garden

Growth Rate in the Garden

  • Moderately Fast


  • Draining
  • Fertile
  • Moist


  • Garden Origin

Propagated By

  • Cutting Grown

Genus Overview: Hydrangea arborescens

Common Name: Smooth Hydrangea

This is the Smooth Hydrangea which is native to the southeastern U. S. They come in lace cap and mop head forms, one even flowering pink, this from Don Jacobs of Eco Gardens in Decatur, Georgia. Some cultivars and selections have more interesting foliage than others. These attributes will be described in detail. They are of very easy disposition with long bloom. They flower on new wood and can be pruned back annually. Site all Hydrangea arborescens in full to mostly sunny exposures in any good garden soil.  All of the following are cutting grown.