Pink Dynamo Mountain Hydrangea
Hydrangea serrata 'Pink Dynamo'
Essentials
At a Glance
Plant Type
Shrub
Height
30 inches
Width
30 inches
Light
Partial Sun, Shade
Zones
5, 6, 7, 8, 9
Water
Moderate to high
Humidity
High
Lifespan
15-25 years
Native To
Japan, Korea
Toxicity
Toxic if ingested
The Story
Plant Bio
Hydrangea serrata, or mountain hydrangea, is a compact deciduous shrub native to Japan and Korea, prized for its delicate lacecap flowers and greater cold hardiness than H. macrophylla. Pink Dynamo ('JPD01') is a reblooming variety that produces vibrant, hot pink lacecap flowers on both old and new wood. Its flower color remains a stable pink regardless of soil pH.
Bloom Period:
Uses & Benefits:
Marketplace
Where to Buy
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Planting
How to Grow
- Select a site with well-drained, humus-rich soil and afternoon shade.
- Dig a hole two to three times wider than the plant's container.
- Incorporate compost or other organic matter into the backfill soil.
- Gently remove the plant from its pot and loosen the roots.
- Set the plant in the hole, ensuring the crown is at soil level.
- Water deeply after planting and mulch to conserve moisture.
Pro Tip
Plant in a location with morning sun and afternoon shade to protect the flowers and foliage from scorching, especially in hotter climates.
Keep It Thriving
Care Guide
Do
- Provide consistent moisture; hydrangeas are not drought tolerant.
- Mulch annually to keep roots cool and moist.
- Fertilize in spring with a product formulated for flowering shrubs.
- Protect from harsh afternoon sun.
Don't
- Do not let the soil dry out completely.
- Avoid heavy pruning, as it can reduce flowering.
- Don't plant in a windy, exposed location.
- Avoid fertilizing with high-nitrogen products, which promotes leaves over flowers.
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Fertilize | ||||||||||||
| Mulch | ||||||||||||
| Pest Check | ||||||||||||
| Prune |
Watch Out For
Pests & Diseases
Common Pests
Common Diseases
In the Garden
Landscape Uses & Companions
Landscape Uses
Companion Plants
Multiply
Propagation Methods
Good to Know
Common Questions
Pink Dynamo Mountain Hydrangea questions
What zones can Pink Dynamo Mountain Hydrangea grow in?
Pink Dynamo Mountain Hydrangea is hardy in USDA Zones 5–9. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.
Is Pink Dynamo Mountain Hydrangea deer resistant?
Yes — Pink Dynamo Mountain Hydrangea is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.
When does Pink Dynamo Mountain Hydrangea bloom?
Pink Dynamo Mountain Hydrangea typically blooms in early summer through late summer. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.
Does Pink Dynamo Mountain Hydrangea need full sun?
Pink Dynamo Mountain Hydrangea does best in part shade.
More Hydrangea to compare
Incrediball Hydrangea
Hydrangea arborescens 'Incrediball'
Limelight Hydrangea
Hydrangea paniculata 'Limelight'
Bobo Hydrangea
Hydrangea macrophylla 'Bobo'
Little Lime Hydrangea
Hydrangea quercifolia 'Little Lime'
Bloomstruck Hydrangea
Hydrangea macrophylla 'Bloomstruck'
All Summer Beauty Hydrangea
Hydrangea macrophylla 'All Summer Beauty'
Keep exploring
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Hardy in your zone?
Grow Pink Dynamo Mountain Hydrangea with confidence
See it in a design of your actual yard, get zone-matched care reminders, and track it season by season in your garden journal.
