Species
Dahlia cactusCactus Dahlia8 other cultivars
The Story
Plant Bio
Dahlia 'Puerto Rico' is a vibrant, upright plant known for its unique spiky flower shape and rich color.
This cultivar features striking orange blooms that stand out in any garden, especially during late summer.
Uses & Benefits:
Essentials
At a Glance
Plant Type
Perennial
Height
42"
Width
24"
Light
Full Sun
Zones
8, 9, 10
Water
Moderate
Humidity
Moderate
Lifespan
Perennial in zones 8-10, annual elsewhere
Native To
Central America
Toxicity
Mildly toxic to pets
Bloom period
Mid-summer to fall – Early fall
In flower about 3 months of the year
Planting
How to Grow
- Tuck seeds or tubers into well-draining soil in early spring.
- Water thoroughly after planting to encourage root growth.
- Position in full sun for optimal flowering.
- Fertilize monthly during active growth with balanced fertilizer.
- Pinch back young plants to promote bushiness.
- Mulch around plants to retain moisture and suppress weeds.
Pro Tip
Ensure soil is well-draining to prevent tuber rot and maximize bloom potential.
Keep It Thriving
Care Guide
Do
- Water regularly during dry spells 🌱
- Deadhead spent flowers to encourage more blooms
- Provide full sun for best flowering
Don't
- Overwater to avoid tuber rot ❌
- Allow soil to dry out completely between watering
- Use heavy, clay soil without amendment
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
Puerto Rico Cactus Dahlia questions
What zones can Puerto Rico Cactus Dahlia grow in?
Puerto Rico Cactus 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 Puerto Rico Cactus Dahlia deer resistant?
Not reliably. Deer may browse Puerto Rico Cactus Dahlia, especially tender spring growth — plan on repellents or fencing where pressure is high.
When does Puerto Rico Cactus Dahlia bloom?
Puerto Rico Cactus 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 Puerto Rico Cactus Dahlia need full sun?
Puerto Rico Cactus Dahlia does best in full sun (6+ hours).
More Dahlia to compare
Dahlia
Dahlia variabilis
Dinnerplate Cutting Dahlia
Dahlia pinnata 'Dinnerplate Cutting Blend'
Dahlia Mix
Dahlia x hybrida 'Mix'
Hart Dahlia
Dahlia variabilis 'Hart'
Babette Giant Ball Dahlia
Dahlia pinnata 'Babette Giant Ball'
Garden Dahlia
Dahlia spectabilis
Keep exploring
Explore the genus
Hardy in your zone?
Grow Puerto Rico Cactus 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.