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PlantFiles: Lobelia, Cardinal Flower
Lobelia 'Dark Crusader'

 
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Family: Campanulaceae (kam-pan-yew-LAY-see-ee) (Info)
Genus: Lobelia (low-BEE-lee-a) (Info)
Cultivar: Dark Crusader

Category:
Perennials
Ponds and Aquatics

Height:
24-36 in. (60-90 cm)

Spacing:
15-18 in. (38-45 cm)

Hardiness:
USDA Zone 6b: to -20.5 °C (-5 °F)
USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)
USDA Zone 10a: to -1.1 °C (30 °F)

Sun Exposure:
Full Sun
Sun to Partial Shade
Light Shade

Danger:
Handling plant may cause skin irritation or allergic reaction

Bloom Color:
Scarlet (Dark Red)

Bloom Time:
Late Summer/Early Fall
Mid Fall

Foliage:
Herbaceous
Burgundy
Smooth-Textured
Shiny/Glossy-Textured

Other details:
Requires consistently moist soil; do not let dry out between waterings
Very high moisture needs; suitable for bogs and water gardens

Soil pH requirements:
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)

Patent Information:
Unknown - Tell us

Propagation Methods:
By dividing the rootball

Seed Collecting:
Allow seedheads to dry on plants; remove and collect seeds
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed

Profile:

No positives
1 neutral
No negatives

Gardeners' Notes:

RatingAuthorComment
Neutral Joan On Apr 17, 2009, Joan from Belfield, ND (Zone 4a) wrote:


Editor's Note

Some resources list all parts of Lobelia species and cultivars as poisonous if large quantities are ingested.

The toxic principals include the alkaloids lobelamine, lobeline, and others, plus a volatile oil.

Symptoms include nausea, vomiting, diarrhea, salivation, exhaustion and weakness, dilation of pupils, convulsions, and coma.

We tend to err on the side of caution in PlantFiles, and the danger notation in the details above is to warn gardeners, parents and pet owners to look further for more information before eating.


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