Hillcrest Sunfusion Dahlia
Dahlia hypnotica 'Hillcrest Sunfusion Giant Ball'
Not currently listed at our partner nurseries.
Essentials
At a Glance
Plant Type
Perennial
Height
36 inches
Width
24 inches
Light
Full Sun, Partial Sun
Zones
8, 9
Water
Moderate
Humidity
Average
Lifespan
Tender perennial
Native To
Mexico
Toxicity
Mildly toxic to dogs and cats.
The Story
Plant Bio
Dahlia hypnotica 'Hillcrest Sunfusion Giant Ball' is known for its large, vibrant yellow flowers and strong, upright growth. This cultivar features exceptionally large and fully double blooms that make it a standout in any garden.
Bloom Period:
Uses & Benefits:
Marketplace
Where to Buy
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Planting
How to Grow
- Choose a sunny location with well-drained soil for planting.
- Tuck tubers into the soil 6 inches deep in early spring after the last frost.
- Water thoroughly to settle the soil around the tubers.
- Mist cuttings or seedlings regularly to maintain humidity and promote rooting.
- Fertilize monthly with a balanced, water-soluble fertilizer during the growing season.
- Stake tall varieties early to support the large flowers and prevent wind damage.
Pro Tip
Plant dahlias in the late spring after the danger of frost has passed for best blooms.
Keep It Thriving
Care Guide
Do
- Water deeply and consistently during the growing season 🌱
- Pinch out the tips to encourage bushier growth
- Remove spent flowers to promote continuous blooming
- Apply a layer of mulch to retain moisture and suppress weeds
Don't
- Avoid overwatering to prevent tuber rot ❌
- Don't expose tubers to frost; store in a cool, dark place during winter
- Refrain from fertilizing with high nitrogen in late summer
- Do not disturb tubers during the active growing season
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Deadhead | ||||||||||||
| Fertilize | ||||||||||||
| Lift Store | ||||||||||||
| Pest Check | ||||||||||||
| Pinch | ||||||||||||
| Plant | ||||||||||||
| Stake |
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
Hillcrest Sunfusion Dahlia questions
What zones can Hillcrest Sunfusion Dahlia grow in?
Hillcrest Sunfusion Dahlia is hardy in USDA Zones 8–10. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.
Is Hillcrest Sunfusion Dahlia deer resistant?
Not reliably. Deer may browse Hillcrest Sunfusion Dahlia, especially tender spring growth — plan on repellents or fencing where pressure is high.
When does Hillcrest Sunfusion Dahlia bloom?
Hillcrest Sunfusion Dahlia 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 Hillcrest Sunfusion Dahlia need full sun?
Hillcrest Sunfusion Dahlia does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.
More Dahlia to compare
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Dahlia x pinnata 'Dinnerplate Cutting Blend'
Hart Dahlia
Dahlia variabilis 'Hart'
Babette Giant Ball Dahlia
Dahlia x pinnata 'Babette Giant Ball'
Lady Darlene Dahlia
Dahlia x pinnata 'Lady Darlene'
Mystic Haze Dahlia
Dahlia x pinnata 'Mystic Haze'
Keep exploring
Explore the genus
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Hardy in your zone?
Grow Hillcrest Sunfusion Dahlia 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.
