Sale
Sold out
Hardy perennial
Asteraceae
Perennials
Rudbeckia 'Autumn Sun'
Cutleaf Coneflower
Rudbeckia ‘Herbstsonne’: 210 cm tall and 150 cm wide, sun to partial shade. Yellow, green flowers in July-September. Zone 3; choose soil compatible with its moisture requirements.
- Exposure
- Sun to partial shade
- Life cycle
- Hardy perennial
- Hardiness
- Zone 3
Discover the plant
Common nameRudbeckia 'Autumn Sun'
FamilyAsteraceae
GenusBlack-eyed Susan
Specieslaciniata
CultivarAutumn sun
TypeHardy perennial
Botanical nameCutleaf Coneflower
'Herbstsonne' rudbeckia (Rudbeckia laciniata 'Herbstsonne') brings a palette of yellow and green to the garden. The foliage features shades of green, to be highlighted among different textures. The usual flowering period is July-September. Its size of 210 cm by 150 cm reserves a place for it at the back of flowerbeds and as a focal point, without forgetting the space for its neighbors.
The success of 'Herbstsonne' rudbeckia begins with its location: full sun to partial shade, in suitable soil (drained garden soil, retaining moderate moisture during establishment). Support the rooting of 'Herbstsonne' rudbeckia with deep watering, then check the moisture before watering again. Adjust the frequency according to rain and heat; avoid small daily waterings on already moist soil. Keep 150 cm as a general spacing between plants; this helps preserve their shape and access for care. The indicated hardiness zone is zone 3, to be appreciated according to your garden conditions.
Over the seasons, 'Herbstsonne' rudbeckia benefits from timely care: remove spent flowers to tidy the bed or keep a few flower heads for their winter silhouette. The lifespan of rudbeckias varies depending on the species; reserve space for the clump without confusing long-lasting forms and short-lived selections. For pairings, consider echinaceas, daylilies, and campanulas in varieties with similar needs. By composing around its volume of 210 cm by 150 cm, you will preserve the visibility of its flowering (July-September) and circulation between plants.
Planting guide
From planting to establishment.
Spacing / density
150 cm
Best planting time
Spring after the thaw or early autumn, allowing time for the roots to establish before the deep cold.
Propagation
Division of clumps. Seedlings do not guarantee the fidelity of a named cultivar.
Growing method
Rudbeckia 'Herbstsonne': In spring after the thaw or in early fall, allowing the roots time to establish before the severe cold. Support the rooting of Rudbeckia 'Herbstsonne' with deep watering, then check the moisture before watering again. Adjust the frequency according to rain and heat; avoid small daily waterings on already moist soil. The lifespan of rudbeckias varies by species; reserve space for the clump without confusing long-lasting forms with short-lived selections.
Soil and care
The right care,at the right time.
Care level
Regular maintenance
Watering
Support the establishment of Rudbeckia 'Herbstsonne' with deep watering, then check the moisture before watering again. Adjust the frequency according to rainfall and heat; avoid small daily waterings on already moist soil.
Soil type
Drained garden soil, retaining moderate moisture during installation
Fertilization
Fertilizer for flowering
Moisture
Moderate humidity; water according to the actual state of the root ball
Seasonal care
Cut back faded flowers of 'Herbstsonne' rudbeckia to tidy up the bed, or leave a few flower heads for winter silhouettes. During its flowering period (July-September), also look out for damaged stems and neighbouring plants that might overshadow the clump.
Container growing
A garden,within reach.
Recommended pot size
A stable, perforated container, significantly wider than the root ball; size to be adapted to the format sold and adult development.
To try Rudbeckia ‘Herbstsonne’ in a container, choose a stable pot with drainage holes, suitable for the root ball and its future size (150 cm). Water should drain freely after each watering; check the root ball more often than you would for plants in the ground. Plan for winter protection for the container depending on your climate.
Bloom and dimensions
Its place,in your garden.
Mature height
210 cm
Width / spread
5 feet (1.53 m)
Flower color
YELLOW
Foliage color
Green
Foliage type
Lapsed
Growth rate
Moderate
Growth habit
Erected
Fragrance
Not documented for this selection
Bloom period
July-September
Garden associations
In goodcompany.
Companion plants
Associations to consider for Rudbeckia 'Herbstsonne': echinacea, daylilies, campanulas. Choose varieties that tolerate sun to partial shade and comparable moisture; allow each clump its adult space.
Plants to avoid
Around Rudbeckia ‘Herbstsonne’, be sure to avoid neighbors that would cover its leaves or strongly compete with its root ball. Compatibility in terms of light, water, and spread takes precedence over a list of so-called enemy plants.
Frequently asked questions
Your questions,answered.
Where to plant 'Autumn Sun' Rudbeckia?
Provide full sun to partial shade and suitable soil (well-drained garden soil, retaining moderate moisture during establishment). The lifespan of rudbeckias varies depending on the species; leave space for the clump without confusing long-lived forms with short-lived selections.
What space should I reserve for Rudbeckia 'Herbstsonne'?
Expect a height of around 210 cm and a width of 150 cm at maturity. Allow about 150 cm between centers, to be adjusted based on the actual development of the clump. This size is suitable for use at the back of a border and as a focal point.
When does Rudbeckia 'Herbstsonne' bloom?
The indicated period is July-September. The flower palette is yellow, green. The exact date and duration depend on the climate, the season, and when the plant was installed.
How to water and care for Rudbeckia 'Herbstsonne'?
Encourage the establishment of Rudbeckia 'Herbstsonne' with deep watering, then check the soil moisture before watering again. Adjust the frequency according to rainfall and heat; avoid small daily waterings on already moist soil. Remove spent flowers to neaten the bed or leave some seed heads for winter interest.
Can Rudbeckia ‘Herbstsonne’ be grown in a pot?
To try Rudbeckia 'Herbstsonne' in a container, choose a stable pot with drainage holes, suitable for the root ball and its future size (150 cm). Water must drain freely after each watering; check the root ball more often than if planted in the ground. Plan to protect the container in winter depending on your climate.
Wildlife and pets
Life,around your plants.
For your perennials and grasses
The right extras.Right here.
Flower and Bloom Fertilizer
Shop the collection
Hand Tools
Shop the collection
