SelecTree: Tree Detail
Hydrangea paniculata 'Grandiflora'
Photo Locations: Arnold Arboretum - Boston, MA and UC Berkeley Botanic Garden - Berkeley, CA
Utility friendly tree.
Needs ample water. Most often a 10-15 foot shrub. The name "PeeGee" is adapted from the abbreviation of paniculata 'Grandiflora' (PG).
Compact and Erect or Spreading with a Low Canopy.
Has Deciduous foliage.
Height: 10 - 20 feet.
Width: 10 - 20 feet.
Growth Rate: 36 Inches per Year.
Longevity Less than 50 years.
Leaves Oval, Dark Green, Golden or Yellow or Orange, Deciduous.
Flowers Showy. Pink or White. Flowers in Summer or Fall.
Brown Capsule, Small (0.25 - 0.50 inches), fruiting in Fall.
Bark Light Green, Furrowed or Ridged.
Shading Capacity Rated as Moderately Dense in Leaf.
Shading Capacity Rated as Low out of Leaf.
Litter Issue is Flowers.
Tree Site Conditions & Constraints
Sunset Zones 1 - 21; A2, A3.
USDA Hardiness Zones 4 - 8.
Exposure Partial Shade.
Clay, Loam or Sand Texture.
Highly Acidic to Highly Alkaline Soil pH.
Seaside Tolerance is Good in Mild Zone.
Pests & Disease Information
Susceptible to Aphids and Spider Mites, Powdery Mildew.
Health, Safety & Environmental Concerns
Branch Strength Rated as Medium Weak
Root Damage Potential Rated as Low.
Allergy Health Hazard.
Special Uses & Values
Cite this tree:
SelecTree. "Hydrangea paniculata 'Grandiflora' Tree Record." 1995-2020. Sep 29, 2020.
< https://selectree.calpoly.edu/tree-detail/hydrangea-paniculata-grandiflora >