
Incrediball Hydrangea
Hydrangea arborescens 'Incrediball'
Essentials
At a Glance
Plant Type
Shrub
Height
54 inches
Width
54 inches
Light
Full Sun, Partial Sun, Shade
Zones
4, 5, 6, 7, 8, 9
Water
Moderate
Humidity
Average
Lifespan
Decades
Native To
North America
Toxicity
Toxic to dogs, cats, and horses if ingested
The Story
Plant Bio
Incrediball is a sturdy cultivar known for its large, rounded flower heads and strong stems that do not droop. Notable for its immense blooms that can reach up to 12 inches across and its ability to adapt well to various soil types.
Bloom Period:
Uses & Benefits:
Marketplace
Where to Buy
Shipping costs Year-round shipping Free shipping
Planting
How to Grow
- Tuck seeds or cuttings into moist soil in early spring.
- Water regularly to keep soil evenly moist, especially during dry spells.
- Fertilize with a balanced, slow-release fertilizer in early spring.
- Prune dead or weak stems in late winter or early spring before new growth.
- Mulch around the base to retain moisture and suppress weeds.
- Transplant in early spring or fall for best results.
Pro Tip
Ensure well-draining, slightly acidic soil to promote healthy growth.
Keep It Thriving
Care Guide
Do
- Water consistently, especially during dry periods 💧
- Prune to shape and remove dead wood in late winter ❄️
- Fertilize annually with a balanced fertilizer 🌱
- Mulch to conserve moisture and regulate soil temperature 🌿
Don't
- Avoid overwatering, which can cause root rot ❌
- Don’t prune in late summer or fall to prevent winter damage 🚫
- Refrain from using high-nitrogen fertilizers that promote excessive foliage ❌
- Never plant in poorly drained soils to prevent root issues 🚫
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
Incrediball Hydrangea questions
What zones can Incrediball Hydrangea grow in?
Incrediball 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 Incrediball Hydrangea deer resistant?
Not reliably. Deer may browse Incrediball Hydrangea, especially tender spring growth — plan on repellents or fencing where pressure is high.
When does Incrediball Hydrangea bloom?
Incrediball Hydrangea typically blooms in mid-summer through late summer. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.
Does Incrediball Hydrangea need full sun?
Incrediball Hydrangea does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.
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