The Story
Plant Bio
Lobelia cardinalis 'Pink Flamingo' is a perennial herbaceous plant distinguished by its upright growth habit, vibrant pink tubular flowers, and lance-shaped green foliage that attracts hummingbirds and pollinators.
This cultivar is notable for its striking pink flowers that provide a bold splash of color in garden borders and containers, offering a softer alternative to the traditional red-flowered Lobelia cardinalis.
Uses & Benefits:
Essentials
At a Glance
Plant Type
Perennial
Height
36 inches
Width
18 inches
Light
Full Sun, Partial Sun
Zones
4, 5, 6, 7, 8, 9
Water
Consistently moist
Humidity
Moderate to high
Lifespan
Perennial
Native To
North America
Toxicity
Toxic if ingested
Bloom period
Mid-summer – Late summer
In flower about 2 months of the year
Planting
How to Grow
- Tuck seeds into moist soil in early spring.
- Keep soil consistently moist during active growth.
- Place in partial to full sun for best flowering.
- Space plants 12-18 inches apart for airflow.
- Mulch lightly to retain moisture and suppress weeds.
- Fertilize with a balanced liquid feed every 4 weeks during summer.
Pro Tip
Ensure soil remains moist and provide partial sun for vibrant blooms.
Keep It Thriving
Care Guide
Do
- Water regularly to keep soil moist 🌱
- Prune spent flowers to encourage reblooming
- Mulch to retain soil moisture and temperature
Don't
- Allow soil to dry out completely ❌
- Overfertilize which can reduce flowering
- Expose plants to harsh, full sun without shade in hot climates
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Divide | ||||||||||||
| Mulch | ||||||||||||
| Plant | ||||||||||||
| Winter Prep |
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
Cardinal Flower Pink Flamingo questions
What zones can Cardinal Flower Pink Flamingo grow in?
Cardinal Flower Pink Flamingo 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 Cardinal Flower Pink Flamingo deer resistant?
Yes — Cardinal Flower Pink Flamingo is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.
When does Cardinal Flower Pink Flamingo bloom?
Cardinal Flower Pink Flamingo 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 Cardinal Flower Pink Flamingo need full sun?
Cardinal Flower Pink Flamingo does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.
More Lobelia to compare

Cardinal Flower
Lobelia cardinalis

Hybrid Cardinal Flower
Lobelia speciosa 'Compliment Violet'

Lilac Candles Great Blue Lobelia
Lobelia siphilitica 'Lilac Candles'

Cardinal Flower 'Black Truffle'
Lobelia cardinalis 'Black Truffle'

Fan Cinnabar Rose Lobelia
Lobelia speciosa 'Fan Cinnabar Rose'

Perrys White Cardinal Flower
Lobelia cardinalis 'Perrys White'
Keep exploring
Explore the genus
Grow Cardinal Flower Pink Flamingo 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.






