
Pink Diamond Hydrangea
Hydrangea macrophylla 'Pink Diamond'
Essentials
At a Glance
Plant Type
Shrub
Height
120 inches
Width
96 inches
Light
Full Sun, Partial Sun
Zones
4, 5, 6, 7, 8, 9
Water
Consistently moist soil
Humidity
Prefers moderate humidity
Lifespan
10+ years
Native To
China, Japan
Toxicity
Toxic to pets
The Story
Plant Bio
A vigorous, fast-growing, upright deciduous shrub. As a panicle hydrangea (H. paniculata), it is noted for its large, conical flower heads and tolerance of full sun. Produces enormous, cone-shaped flower panicles, up to 12 inches long. The sterile flowers emerge creamy white in mid-summer and gradually age to a deep pink or reddish color by fall.
Uses & Benefits:
Marketplace
Where to Buy
Shipping costs Year-round shipping Free shipping
Planting
How to Grow
- Choose a location with partial shade and well-draining soil.
- Tuck seedlings or cuttings into moist soil, ensuring roots are covered.
- Water regularly to keep soil consistently moist, especially during dry spells.
- Apply organic mulch around the base to retain moisture and regulate temperature.
- Prune after flowering to shape and remove dead or crossing branches.
- Fertilize with a balanced acid-loving plant fertilizer in early spring.
Pro Tip
Mulch generously to keep roots cool and moist, promoting vibrant blooms.
Keep It Thriving
Care Guide
Do
- Water deeply and consistently 🌱
- Prune after flowering to maintain shape
- Feed with an acid-loving fertilizer in spring
Don't
- Avoid overwatering to prevent root rot ❌
- Don’t prune in late fall or winter
- Avoid planting in full sun in hot climates
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Fertilize | ||||||||||||
| Harvest | ||||||||||||
| 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 Diamond Hydrangea questions
What zones can Pink Diamond Hydrangea grow in?
Pink Diamond Hydrangea is hardy in USDA Zones 4–9. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.
Is Pink Diamond Hydrangea deer resistant?
Yes — Pink Diamond Hydrangea is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.
When does Pink Diamond Hydrangea bloom?
Pink Diamond Hydrangea typically blooms in mid-summer to fall through late summer. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.
Does Pink Diamond Hydrangea need full sun?
Pink Diamond Hydrangea does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.
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Hydrangea macrophylla 'Bobo'

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Bloomstruck Hydrangea
Hydrangea macrophylla 'Bloomstruck'

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