Beginner
skill rating
Online Garden Tools
Useful videos
Rudbeckia triloba (Brown-eyed Susan)
1 hour care
per year
per year
1.5m
Max height
Max height
0.9m
Max spread
Max spread
2-5 years
To maturity
To maturity
Plant details
Botanical name
Rudbeckia triloba
Other names
Brown-eyed Susan, Three-leaved coneflower, Thinleaf coneflower, Thin-leaf coneflower
Genus
Rudbeckia Rudbeckia
Species
R. triloba - R. triloba is an upright, clump-forming, short-lived perennial with elliptic, toothed, mid- to dark green leaves and, from late summer into autumn, dark, wiry, branching stems bearing lance-shaped leaves and golden-yellow flowers with dark brown central cones.
Rudbeckia triloba is: Deciduous
Habit
Upright, Clump-forming
Awards
RHS AGM (Award of Garden Merit)
Flower
Golden-yellow in Summer; Golden-yellow in Autumn
Foliage
Dark-green in Spring; Dark-green in Summer; Dark-green in Autumn
How to care
Watch out for
General care
Pruning
Deadhead regularly. Cut back in late autumn or early spring.
Propagation methods
Division
Sign up for your FREE ACCOUNT today or login to receive detailed monthly care instructions
Where to grow
Rudbeckia triloba (Brown-eyed Susan) will reach a height of 1.5m and a spread of 0.9m after 2-5 years.
Suggested uses
Flower Arranging, Cottage/Informal, Beds and borders, Low Maintenance, Prairie planting, Wildflower
Cultivation
Grow in moderately fertile, moist but well-drained soil in full sun. Tolerates partial shade.
Soil type
Clay, Loamy
Soil drainage
Moist but well-drained
Soil pH
Acid, Alkaline, Neutral
Light
Full Sun
Aspect
South, East, West
Exposure
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 triloba
Other names
Brown-eyed Susan, Three-leaved coneflower, Thinleaf coneflower, Thin-leaf coneflower
Genus
Rudbeckia Rudbeckia
Species
R. triloba - R. triloba is an upright, clump-forming, short-lived perennial with elliptic, toothed, mid- to dark green leaves and, from late summer into autumn, dark, wiry, branching stems bearing lance-shaped leaves and golden-yellow flowers with dark brown central cones.
Native to
Garden origin
Foliage
Deciduous
Habit
Upright, Clump-forming
Awards
RHS AGM (Award of Garden Merit)
Create your free Shoot garden
Create your free SHOOT garden and make a record of the plants in your garden.
Add your own photos, notes, get monthly email reminders on how to care for your plants, and connect with other gardeners. Get started now.
Colour
Flower
Golden-yellow in Summer; Golden-yellow in Autumn
Foliage
Dark-green in Spring; Dark-green in Summer; Dark-green in Autumn
General care
Pruning
Deadhead regularly. Cut back in late autumn or early spring.
Propagation methods
Division
Monthly care advice
Get access to monthly care advice
Create a free SHOOT account and get instant access to expert care advice for this and other plants in your garden.
You'll also receive handy monthly email reminders of what needs doing. Create your free account.
Where to grow
Rudbeckia triloba (Brown-eyed Susan) will reach a height of 1.5m and a spread of 0.9m after 2-5 years.
Suggested uses
Flower Arranging, Cottage/Informal, Beds and borders, Low Maintenance, Prairie planting, Wildflower
Cultivation
Grow in moderately fertile, moist but well-drained soil in full sun. Tolerates partial shade.
Soil type
Clay, Loamy
Soil drainage
Moist but well-drained
Soil pH
Acid, Alkaline, Neutral
Light
Full Sun
Aspect
South, East, West
Exposure
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, Zone 3
In order to add a note on this plant, please add this plant to your plant lists.
| This plant likes... | Garden match | |
| Soil types: | Clay, Loamy | Tell us... |
| Soil drainage: | Moist but well-drained | Tell us... |
| Soil pH: | Acid, Alkaline, Neutral | Tell us... |
| Light: | Full Sun | Tell us... |
| Aspect: | South, East, West | Tell us... |
| Exposure: | Sheltered | Tell us... |
| Hardiness: | Hardy (H4) | Tell us... |
Report content or feedback to Shoot
To add ? to your lists,
login to your account or subscribe.
Find out more about plant lists here
or Login
To add notes for this plant login to your account or register for a new account.
Sign up for freeor Login
To add images for this plant login to your account or register for a new account.
Sign up for freeor Login
To check if this plant is suitable for your garden first login to your account or subscribe.
or Login