Rock-N-Roll Hydrangea (Hydrangea macrophylla ‘COF HM3’)

Rock-N-Roll Hydrangea

  • Large Mophead Blooms
  • Vibrant Deep Pink or Blue and Purple
  • Flower Color Varies Depending on Soil pH
  • Vigorous Rebloomer on New Wood
  • Easy Care & Low Maintenance
  • Long-Lasting Flower Heads
  • Butterflies and Beneficial Pollinators
  • Wildlife Habitat & Shelterbelts
  • Cold Hardy
  • Lush Bushy Deep-Green Foliage
  • Fast-Growing Sturdy Stems
  • Dried and Fresh Floral Arrangements

Hydrangea conjure images of traditional plantings of stately shrubs, sedately lining quiet picket fences. Time to turn up the volume with Rock-N-Roll Hydrangea!

These are fast-growing shrubs and their long-bloom time makes Rock-N-Roll Hydrangea (Hydrangea macrophylla ‘COF HM3’) an amazing garden addition.

Concert-ready flower clusters in vibrant jewel tones are highlighted by equally saturated deep-green foliage. This gorgeous shrub grows in a bushy, upright form that is naturally rounded and mid-sized presence in the garden.

The clusters of blossoms are either deep pink, purple or vibrant blue, depending on your soil’s pH. Pollinators adore this Mophead Hydrangea as much as you will!

The showy blooms last all summer and in autumn, and the blooms dry to tan on the shrub and creates fantastic winter interest. The sturdy stems make excellent cut flowers for dried or fresh décor!

How to Use Rock-N-Roll Hydrangea In The Landscape

Bigleaf Hydrangea are reliable flowering shrubs with bloom color boosted by an amp! The bright colors and sizable form create amazing hedges for privacy we’re sure your neighbors won’t mind blaring in your yard!

Boost curb appeal with a row to these rock stars screening your property from the street, or a row in front of your home as a foundation planting!

The branching is dense enough for Rock-N-Roll to be utilized for ornamental shelterbelts and windbreaks, while pulling double duty as a fantastic backdrop for your garden beds and borders!

An excellent specimen or accent plant, Rock-N-Roll is a rounded anchor plant and just the boost your garden needs to wake up your sleepy cottage border.

Cut flower beds and pollinator gardens benefit from vigorous, reblooming flower buds that keep pumping out enough blooms to keep your vases and pollinators full!

Low-maintenance, you’ll have little work to keep these hardy shrubs looking amazing anywhere you plant one. So heavy in bloom that Rock-N-Roll Hydrangea needs every sturdy stem.

Tips For Care

If you have acidic soil your Rock-N-Roll will take on blue shades, and if you have alkaline soil, you’ll get to see bright pink! Neutral soil and you’ll see vibrant purples! Whatever color you choose, Rock-N-Roll will be vibrant and showy!

Tolerating near full sun only in the cooler zones, Hydrangea really does its best with morning sun and afternoon shade. Partial sun and dappled shade are favorite locations for these, but for the strongest stems, they do need some sun.

Provide Rock-N-Roll Hydrangea with adequately moist soil, especially during the summer months for the best flower size and color! Hydrangea loves rich soil with ample organic matter. Consistent moisture is a must during the hot summer months.

Hardy growing zones 5 through 8, soil type for Hydrangea is any type, from clay to sand to loam, just as long it is well-drained. A generous layer of mulch helps retain soil moisture as well as insulate the root system from both heat and chill.

Prune in early spring before new growth appears. This keeps the shrub fresh and removes winter damage.

Rock-N-Roll Hydrangea (Hydrangea macrophylla ‘COF HM3’) Details

Common name Rock-N-Roll Hydrangea
Botanical name Hydrangea macrophylla 'COF HM3'
Plant type Deciduous
Hardiness zone 5-8
Growth rate Medium
Height 4 - 5 ft.
Width 4 - 5 ft.
Sunlight Partial Shade
Moisture Medium
Soil condition Well Drained
Pollinator-friendly Yes
Pruning time After Flowering
Flower color Pink, Purple or Blue