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Lobelia laxiflora var. angustifolia (Sierra Madre lobelia)
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1 hour care
per year
per year
0.6m
Max height
Max height
1.2m
Max spread
Max spread
2-5 years
To maturity
To maturity
Low
Toxicity
Toxicity
Plant details
Botanical name
Lobelia laxiflora var. angustifolia
Other names
Sierra Madre lobelia, Mexian cardinal flower
Genus
Lobelia Lobelia
Species
L. laxiflora var. angustifolia - L. laxiflora var. angustifolia is a spreading, woody-based, rhizomatous, borderline hardy, deciduous perennial with upright stems bearing glossy, narrowly lance-shaped, shallowly toothed, dark green leaves and, from late spring into summer, semi-pendent, tubular, red flowers, yellow within.
Lobelia laxiflora var. angustifolia is: Deciduous
Habit
Spreading, Arching
Toxicity
Severe discomfort may result if ingested
Flower
Red, Yellow in Spring; Red, Yellow in Summer
Foliage
Dark-green in Spring
How to care
Watch out for
Specific pests
Slugs Slugs
Crown rot Crown rot
General care
Pruning
Remove spent flower stems.
Propagation methods
Semi-ripe cuttings
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Where to grow
Lobelia laxiflora var. angustifolia (Sierra Madre lobelia) will reach a height of 0.6m and a spread of 1.2m after 2-5 years.
Suggested uses
Coastal, City, Beds and borders, Cottage/Informal
Cultivation
Grow in deep, fertile, moist soil in sun or partial shade. Protect with a dry winter mulch or overwinter indoors.
Soil type
Loamy, Sandy
Soil drainage
Moist but well-drained, Well-drained
Soil pH
Alkaline, Neutral
Light
Partial Shade, Full Sun
Aspect
South, West
Exposure
Sheltered
UK hardiness Note: We are working to update our ratings. Thanks for your patience.
Tender in frost (H3)
Companion plants
We do not currently have companion plants added for this plant.
Botanical name
Lobelia laxiflora var. angustifolia
Other names
Sierra Madre lobelia, Mexian cardinal flower
Genus
Lobelia Lobelia
Species
L. laxiflora var. angustifolia - L. laxiflora var. angustifolia is a spreading, woody-based, rhizomatous, borderline hardy, deciduous perennial with upright stems bearing glossy, narrowly lance-shaped, shallowly toothed, dark green leaves and, from late spring into summer, semi-pendent, tubular, red flowers, yellow within.
Foliage
Deciduous
Habit
Spreading, Arching
Toxicity
Severe discomfort may result if ingested
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Colour
Flower
Red, Yellow in Spring; Red, Yellow in Summer
Foliage
Dark-green in Spring
How to care
Watch out for
Specific pests
Specific diseases
General care
Pruning
Remove spent flower stems.
Propagation methods
Semi-ripe cuttings
Monthly care advice
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Where to grow
Lobelia laxiflora var. angustifolia (Sierra Madre lobelia) will reach a height of 0.6m and a spread of 1.2m after 2-5 years.
Suggested uses
Coastal, City, Beds and borders, Cottage/Informal
Cultivation
Grow in deep, fertile, moist soil in sun or partial shade. Protect with a dry winter mulch or overwinter indoors.
Soil type
Loamy, Sandy
Soil drainage
Moist but well-drained, Well-drained
Soil pH
Alkaline, Neutral
Light
Partial Shade, Full Sun
Aspect
South, West
Exposure
Sheltered
UK hardiness Note: We are working to update our ratings. Thanks for your patience.
Tender in frost (H3)
USDA zones
Zone 11, Zone 10, Zone 9, Zone 8, Zone 7
In order to add a note on this plant, please add this plant to your plant lists.
| This plant likes... | Garden match | |
| Soil types: | Loamy, Sandy | Tell us... |
| Soil drainage: | Moist but well-drained, Well-drained | Tell us... |
| Soil pH: | Alkaline, Neutral | Tell us... |
| Light: | Partial Shade, Full Sun | Tell us... |
| Aspect: | South, West | Tell us... |
| Exposure: | Sheltered | Tell us... |
| Hardiness: | Tender in frost (H3) | Tell us... |
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