Princess Diana Hydrangea
Hydrangea macrophylla 'Princess Diana'
Essentials
At a Glance
Plant Type
Shrub
Height
42 inches
Width
42 inches
Light
Partial Sun, Shade
Zones
5, 6, 7, 8, 9
Water
Moderate
Humidity
Moderate to high
Lifespan
10+ years
Native To
Japan
Toxicity
Toxic to pets and humans if ingested
The Story
Plant Bio
Large, showy blooms; favored for their vibrant color and ability to change color with soil pH. Unique to the 'Princess Diana' cultivar, which produces rich pink blooms that deepen in color as the plant matures.
Uses & Benefits:
Marketplace
Where to Buy
Shipping costs Year-round shipping Free shipping
Planting
How to Grow
- Select a location with partial shade and well-draining soil.
- Tuck young plants into the soil after the last frost in spring.
- Mist cuttings regularly to maintain humidity and promote rooting.
- Water deeply once a week, especially during dry spells.
- Apply a balanced, slow-release fertilizer in early spring.
- Mulch around the base to retain moisture and regulate soil temperature.
Pro Tip
Add organic compost to improve soil fertility and drainage for lush blooms.
Keep It Thriving
Care Guide
Do
- Water consistently to keep soil moist but not waterlogged 🌱
- Prune after blooming to shape the plant and encourage new growth
- Mulch annually to conserve moisture and suppress weeds
- Feed with a balanced fertilizer in spring and mid-summer
Don't
- Avoid overwatering to prevent root rot ❌
- Don’t prune in late fall or winter, as it may remove next season’s buds
- Refrain from using high-nitrogen fertilizers that promote leaf growth over flowers
- Never plant in poorly drained areas
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Fertilize | ||||||||||||
| Mulch | ||||||||||||
| 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
Princess Diana Hydrangea questions
What zones can Princess Diana Hydrangea grow in?
Princess Diana 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 Princess Diana Hydrangea deer resistant?
Not reliably. Deer may browse Princess Diana Hydrangea, especially tender spring growth — plan on repellents or fencing where pressure is high.
When does Princess Diana Hydrangea bloom?
Princess Diana Hydrangea typically blooms in late spring to summer through late summer. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.
Does Princess Diana Hydrangea need full sun?
Princess Diana 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
Explore the genus
Collections featuring this plant
Hardy in your zone?
Grow Princess Diana 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.
