Rudbeckia triloba
Garden Plant Information

Rudbeckia triloba

 

Name

Rudbeckia triloba  (also called Brown-eyed Susan)

Genus  

Rudbeckia

Species

triloba

Cultivar/variety

 

General description

Clump forming biennial. Profuse golden-yellow daisy-like flower on dark, wiry, lax stems. Combines well with other herbaceous plants and the shorter ornamental grasses. Good for mixed and prairie-style planting. Gives good colour late in the season when many herbaceous plants have already finished flowering. The flowers are attractive to bees, butterflies and hoverflies.

Season of interest

Flowers in summer and autumn.

Key horticultural features

  1. Lax habit. H: 60cm. S: 45cm.

  2. Stems round, slender, almost wire-like, dark brown, hairy.

  3. Leaves alternate, rich green, lanceolate, toothed.

  4. Flowers golden yellow, daisy-like with raised dark brown centres. Petals are a rounded oblong shape.

Cultural details

Aspect

Full sun or partial shade.

Soil

Well drained. Good drought resistance.

Hardiness

Hardy.

Maintenance

Lift and divide congested clumps in autumn or spring. If not supported by other plants use ring stakes or brushwood supports before flowering.

 

Generally disease free but the young growth may be affected by slugs.

Propagation

Divide in spring or autumn.