
Ambition Dahlia
Dahlia variabilis 'Ambition'
Not currently listed at our partner nurseries.
Essentials
At a Glance
Plant Type
Perennial
Height
42 inches
Width
24 inches
Light
Full Sun, Partial Sun
Zones
8, 9
Water
Moderate
Humidity
Moderate
Lifespan
Tender Perennial
Native To
Mexico
Toxicity
Toxic to dogs and cats, can cause skin irritation in humans.
The Story
Plant Bio
Dahlia variabilis 'Ambition' produces striking, vibrant red flowers with a bushy growth habit, making it a popular choice for gardens. This cultivar is known for its large, round blooms and strong stems, ideal for cutting gardens.
Bloom Period:
Uses & Benefits:
Marketplace
Where to Buy
We couldn't find this plant listed online right now.
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Planting
How to Grow
- Select a sunny location with well-draining soil for planting.
- Tuck tubers 6 inches deep in early spring after the last frost.
- Water thoroughly after planting to settle the soil.
- Mist cuttings with water to encourage rooting, if propagating from cuttings.
- Fertilize monthly with a balanced fertilizer during the growing season.
- Pinch back the tips to promote bushier growth in early summer.
Pro Tip
Ensure consistent watering and deadhead spent flowers for continuous bloom.
Keep It Thriving
Care Guide
Do
- Water regularly to keep soil moist but not soggy π±
- Remove dead or faded flowers to encourage new blooms
- Apply balanced fertilizer monthly during active growth
Don't
- Avoid overwatering which can cause tuber rot β
- Donβt expose plants to harsh afternoon sun in extremely hot climates
- Refrain from disturbing tubers during the flowering season
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Deadhead | ||||||||||||
| Fertilize | ||||||||||||
| Lift Store | ||||||||||||
| 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
Ambition Dahlia questions
What zones can Ambition Dahlia grow in?
Ambition Dahlia is hardy in USDA Zones 8β10. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.
Is Ambition Dahlia deer resistant?
Not reliably. Deer may browse Ambition Dahlia, especially tender spring growth β plan on repellents or fencing where pressure is high.
When does Ambition Dahlia bloom?
Ambition Dahlia typically blooms in mid-summer through late summer. Exact timing shifts a week or two with your zone β Sow's bloom calendar maps it to your garden.
Does Ambition Dahlia need full sun?
Ambition Dahlia does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.
More Dahlia to compare

Dahlia
Dahlia variabilis

Dinnerplate Cutting Dahlia
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
Collections featuring this plant
Hardy in your zone?
Grow Ambition 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.
