About
Henry Eilers' is a clump-forming perennial reaching 1.2m tall. Flowers are borne on upright, branched stems in late summer to early autumn and are made up of narrow, quill-like, yellow ray florets surrounding a central brown cone. The green, lance to oval-shaped, toothed leaves have a mild, sweet aroma and are softly hairy.
About the genus
Rudbeckia may be annuals, biennials or rhizomatous herbaceous perennials, with simple or pinnately divided leaves and large daisy-like flower-heads with yellow or orange rays surrounding a prominent conical disk
Growing conditions
SunlightFull sun, Partial shade
Soil typeClay, Loam, Sand
Soil pHAcid, Alkaline, Neutral
Soil moistureMoist but well-drained
AspectSouth-facing, West-facing, East-facing
ExposureExposed, Sheltered
UK hardinessH6
Plant details
Plant typeHerbaceous Perennial
HabitBushy
FoliageDeciduous
Height1-1.5 metres
Spread0.5-1 metres
Time to full height2-5 years
Suggested usesCottage and informal garden, Wildflower meadow, Prairie planting
FragranceFoliage
Care notes
CultivationPrefers a fertile, moisture-retentive but well-drained soil in full sun. Benefits from support (see staking perennials)
PruningCut back in autumn
PropagationPropagate by division in spring
Pest resistanceGenerally pest-free
Disease resistanceMay be susceptible to powdery mildews