Species
Dahlia cactusCactus Dahlia8 other cultivars
The Story
Plant Bio
Dahlias are tuberous, herbaceous perennials native to Mexico, prized for their incredibly diverse flower forms, sizes, and colors. They bloom profusely from mid-summer until the first frost, requiring well-drained soil and full sun.
A cactus-type dahlia featuring large, fully double flowers up to 8 inches across with spiky, quilled petals. Blooms are a dramatic bicolour, typically white or cream with vibrant fuchsia-pink to lavender tips.
Uses & Benefits:
Essentials
At a Glance
Plant Type
Perennial
Height
42 inches
Width
24 inches
Light
Full Sun
Zones
8, 9, 10
Water
Moderate
Humidity
Moderate
Lifespan
Perennial in USDA zones 8-10, otherwise treated as an annual
Native To
Mexico
Toxicity
Mildly toxic to pets if ingested
Planting
How to Grow
- Tuck tubers 2 inches deep in well-draining soil in early spring.
- Water thoroughly after planting to settle soil around roots.
- Mist cuttings with water once a week to encourage rooting.
- Stake tall plants to prevent toppling during storms.
- Apply a balanced fertilizer every 4-6 weeks during growing season.
- Deadhead spent blooms regularly to promote continuous flowering.
Pro Tip
Plant in full sun with rich, well-drained soil for best blooms.
Keep It Thriving
Care Guide
Do
- Water regularly to keep soil moist but not waterlogged 🌱
- Pinch back young plants to encourage bushier growth
- Apply mulch to retain soil moisture and suppress weeds
Don't
- Avoid overwatering to prevent tuber rot ❌
- Do not disturb tubers during active growth
- Keep away from overly shaded areas
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
Multiply
Propagation Methods
Good to Know
Common Questions
Dutch Explosion Dahlia questions
What zones can Dutch Explosion Dahlia grow in?
Dutch Explosion 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 Dutch Explosion Dahlia deer resistant?
Not reliably. Deer may browse Dutch Explosion Dahlia, especially tender spring growth — plan on repellents or fencing where pressure is high.
When does Dutch Explosion Dahlia bloom?
Dutch Explosion Dahlia typically blooms in mid-summer to fall through early fall. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.
Does Dutch Explosion Dahlia need full sun?
Dutch Explosion Dahlia does best in full sun (6+ hours).
More Dahlia to compare
Dahlia
Dahlia variabilis
Dinnerplate Cutting Dahlia
Dahlia pinnata 'Dinnerplate Cutting Blend'
Hart Dahlia
Dahlia variabilis 'Hart'
Dahlia Mix
Dahlia x hybrida 'Mix'
Babette Giant Ball Dahlia
Dahlia pinnata 'Babette Giant Ball'
Lady Darlene Dahlia
Dahlia pinnata 'Lady Darlene'
Keep exploring
Explore the genus
Hardy in your zone?
Grow Dutch Explosion 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.