General Plant Information (Edit)
Plant Habit: Shrub
Life cycle: Perennial
Sun Requirements: Full Sun to Partial Shade
Partial or Dappled Shade
Water Preferences: Mesic
Soil pH Preferences: Neutral (6.6 – 7.3)
Minimum cold hardiness: Zone 4a -34.4 °C (-30 °F) to -31.7 °C (-25 °F)
Maximum recommended zone: Zone 9b
Plant Height: 3 - 4 feet
Plant Spread: 4 - 5 feet
Leaves: Good fall color
Deciduous
Fruit: Dehiscent
Flowers: Showy
Blooms on old wood
Other: Rebloomer
Flower Color: Blue
Pink
Purple
Other: Color depends on soil PH.
Flower Time: Late spring or early summer
Summer
Late summer or early fall
Uses: Cut Flower
Dried Flower
Wildlife Attractant: Bees
Resistances: Powdery Mildew
Propagation: Other methods: Cuttings: Stem
Cuttings: Cane
Division
Pollinators: Bees
Miscellaneous: Patent/Plant Breeders' Rights: PP25,566
Parentage: Piihm-1 x unknown

Image
Trade name information:
Series: Endless Summer®
Trade Name: Bloomstruck
Cultivar name: 'Piihm-II'
Common names
  • Bigleaf Hydrangea
  • Hydrangea

Photo Gallery

Date: 2022-06-16

Date: 2017-10-09
Location: At a local nursery 
Date: 2023-06-07
Location: Kalama, Wa.
  • Uploaded by Joy

Date: 2022-06-16
Location: Western Washington
Date: 2019-07-02
Location: Kalama, Wa.
  • Uploaded by Joy

Date: 2015-06-22
Location: Grapevine, Texas USA
Date: 2021-05-03
Location: KALAMA WA
  • Uploaded by Joy
Location: My zone 5 garden.
Date: 2017-09-08
This is how it looks now (9-8-17) - it is a dark pink for me in t
Location: Willow Valley Communities Lakes Campus, Pennsylvania USA
Date: 2019-09-25
Location: Kalama, Wa.
  • Uploaded by Joy

Date: 2016-09-15

Date: 2016-09-15
Location: Clinton, Michigan 49236
Date: 2017-06-13
"Hydrangea macrophylla 'Endless Summer Bloomstruck', 2017, [Bigle
Location: Willow Valley Communities Lakes Campus, Pennsylvania USA
Date: 2019-09-25

Date: 2015-06-22

Date: 2015-06-22
Location: Sharps Chapel, Tennessee
Date: 2018-06-12

Date: 2015-06-22
Location: Grapevine, Texas USA
Location: KALAMA WA
  • Uploaded by Joy

Date: 2016-09-15

Date: 2016-09-15

Date: 2015-06-22
Location: KALAMA WA
  • Uploaded by Joy
This plant is tagged in:
Image

Comments:
  • Posted by frankrichards16 (Clinton, Michigan - Zone 5b) on Mar 5, 2018 7:02 AM concerning plant:
    Developed by Dr. Michael A. Dirr (Plant Introductions, Inc in Georgia). Cultivar was selected from seedlings of an open pollination of Hydrangea macrophylla 'PIIHM-I' (PP20176). It was registered as Hydrangea macrophylla 'PIIHMII' (PP25566, 2015) and is marketed under the trademark Endless Summer® BloomStruck®. It is the fourth Hydrangea variety in the series. Vivid purple or rose-pink mophead type flowers, red stems with darker leaves than the parent.
Plant Events from our members
carlissa904 On May 17, 2019 Obtained plant
bought at Walmart
IAgrl On June 13, 2023 Obtained plant
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