Rudbeckia hirta 'Irish Eyes'
black-eyed Susan 'Irish Eyes'
a short-lived perennial, usually grown as an annual, to 75cm in height, with classic daisy flowerheads produced from mid-summer to early autumn. Flowerheads are golden-yellow with narrow, slightly-tapered ray florets surrounding a pale-green "eye" that turns yellow-brown as the disc florets open
Buy this plant
Size
Ultimate height
0.5–1 metresTime to ultimate height
1–2 yearsUltimate spread
0.1–0.5 metresGrowing conditions
Moisture
Moist but well–drainedpH
Acid, Alkaline, NeutralColour & scent
Stem | Flower | Foliage | Fruit | |
Spring | ||||
---|---|---|---|---|
Summer | Gold Green Yellow | Green | ||
Autumn | Gold Green Yellow | |||
Winter |
Position
- Full sun
- Partial shade
Aspect
South–facing or West–facing
Exposure
Exposed or Sheltered Hardiness
H3Botanical details
- Family
- Asteraceae
- Native to the UK
- No
- Foliage
- Deciduous
- Habit
- Bushy
- 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
- Name status
Accepted
How to grow
Cultivation
Best grown as a half-hardy annual. Grows well in moderately fertile, preferably heavy but well-drained soil in full sun or partial shade
Propagation
Propagate by seed sown with gentle heat in spring
Suggested planting locations and garden types
- Cottage and informal garden
- Wildflower meadow
- Cut flowers
- Flower borders and beds
Pruning
Deadhead spent flowers
Pests
Generally pest-free
Diseases
May be susceptible to grey moulds if air circulation is poor
Get involved
The Royal Horticultural Society is the UK’s leading gardening charity. We aim to enrich everyone’s life through plants, and make the UK a greener and more beautiful place.