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Rudbeckia maxima (Large coneflower)
1 hour care
per year
per year
2.2m
Max height
Max height
1m
Max spread
Max spread
2-5 years
To maturity
To maturity
Plant details
Botanical name
Rudbeckia maxima
Other names
Large coneflower, Great coneflower, Cabbage leaf coneflower
Genus
Rudbeckia Rudbeckia
Species
R. maxima - R. maxima is a robust, upright, clump-forming, herbaceous perennial with large, broadly ovate, blue-green leaves and, in summer, erect stems bearing yellow flowers with drooping petals surrounding a dark brown, elongated, central cone.
Rudbeckia maxima is: Deciduous
Habit
Erect flower stem, Clump-forming, Upright
Flower
Yellow in Summer
Foliage
Blue-green in Spring; Blue-green in Autumn
How to care
Watch out for
General care
Pruning
Deadhead regularly to prolong flowering or leave seed heads for birds to enjoy.
Propagation
Will self-seed in optimum growing conditions.
Propagation methods
Division, Root cuttings
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Where to grow
Rudbeckia maxima (Large coneflower) will reach a height of 2.2m and a spread of 1m after 2-5 years.
Suggested uses
Wildflower, Prairie planting, Low Maintenance, Flower Arranging, Cottage/Informal, Beds and borders, Wildlife
Cultivation
Prefers fertile, moist soil in full sun but tolerates poor soil, dry conditions, and light shade. Thrives in hot, humid summers. Basal leaves may be evergreen in warm winter climates. Rarely requires staking.
Soil type
Chalky, Clay, Loamy, Sandy (will tolerate most soil types)
Soil drainage
Moist but well-drained, Well-drained
Soil pH
Acid, Alkaline, Neutral
Light
Full Sun
Aspect
South, West
Exposure
Exposed, Sheltered
UK hardiness Note: We are working to update our ratings. Thanks for your patience.
Hardy (H4)
Companion plants
We do not currently have companion plants added for this plant.
Botanical name
Rudbeckia maxima
Other names
Large coneflower, Great coneflower, Cabbage leaf coneflower
Genus
Rudbeckia Rudbeckia
Species
R. maxima - R. maxima is a robust, upright, clump-forming, herbaceous perennial with large, broadly ovate, blue-green leaves and, in summer, erect stems bearing yellow flowers with drooping petals surrounding a dark brown, elongated, central cone.
Foliage
Deciduous
Habit
Erect flower stem, Clump-forming, Upright
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Colour
Flower
Yellow in Summer
Foliage
Blue-green in Spring; Blue-green in Autumn
General care
Pruning
Deadhead regularly to prolong flowering or leave seed heads for birds to enjoy.
Propagation
Will self-seed in optimum growing conditions.
Propagation methods
Division, Root cuttings
Monthly care advice
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Where to grow
Rudbeckia maxima (Large coneflower) will reach a height of 2.2m and a spread of 1m after 2-5 years.
Suggested uses
Wildflower, Prairie planting, Low Maintenance, Flower Arranging, Cottage/Informal, Beds and borders, Wildlife
Cultivation
Prefers fertile, moist soil in full sun but tolerates poor soil, dry conditions, and light shade. Thrives in hot, humid summers. Basal leaves may be evergreen in warm winter climates. Rarely requires staking.
Soil type
Chalky, Clay, Loamy, Sandy (will tolerate most soil types)
Soil drainage
Moist but well-drained, Well-drained
Soil pH
Acid, Alkaline, Neutral
Light
Full Sun
Aspect
South, West
Exposure
Exposed, Sheltered
UK hardiness Note: We are working to update our ratings. Thanks for your patience.
Hardy (H4)
USDA zones
Zone 9, Zone 8, Zone 7, Zone 6, Zone 5, Zone 4
In order to add a note on this plant, please add this plant to your plant lists.
| This plant likes... | Garden match | |
| Soil types: | Chalky, Clay, Loamy, Sandy (will tolerate most soil types) | Tell us... |
| Soil drainage: | Moist but well-drained, Well-drained | Tell us... |
| Soil pH: | Acid, Alkaline, Neutral | Tell us... |
| Light: | Full Sun | Tell us... |
| Aspect: | South, West | Tell us... |
| Exposure: | Exposed, Sheltered | Tell us... |
| Hardiness: | Hardy (H4) | Tell us... |
ARTICLES WITH THIS PLANT
By Reading based MSGD garden designer Andrea Newill. The property is in a stunning location within an area of outstanding natural beauty bordering national trust meadows and ancient woodland. read more
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