- Rudbeckia hirta
- Perennial
- Zones 3–8
- Yellow
- Single
Irish Spring
Perennial rudbeckia hirta black-eyed Susan in yellow, blooming in early summer, midsummer, late summer, and fall. Large daisy-like flowers 5 to 7 inches across with deep golden yellow rays and a greenish center disk. USDA zones 3–8.
Single source · Values marked like this (estimated) are estimates.
At a glance
- Flower form
- Rudbeckia hirta Single · 5–7 in (13–18 cm)
- Colors
-
- Yellow
- Blooms
- Early summer, Midsummer, Late summer, Fall
- Vase life
- Not grown for cutting
- Height
- 2–3 ft (61–91 cm) Spread: 1½–2 ft (46–61 cm)
- Sunlight
- Full sun
- Hardiness
- USDA zones 3–8 Perennial
- Planted as
- Seed
- Botanical name
- Rudbeckia hirta
In the garden
- Butterflies
- Seldom severely damaged by deer (Rutgers rating)
Origin
Rudbeckia hirta cultivar with large flowers and greenish center disks.
Sources
Where to buy
Prices rechecked dailyAll photos
Questions
Is Irish Spring hardy in my zone?
Irish Spring survives winter in the ground in USDA zones 3 to 8. In colder zones treat it as an annual or lift it before the ground freezes.
Does Irish Spring need full sun?
Irish Spring grows in full sun.
When does Irish Spring bloom?
Irish Spring blooms in early summer, midsummer, late summer, and fall.
Is Irish Spring good for cutting?
Our sources don't list Irish Spring as a cut flower or give a vase life for it.

