• Sisyrinchium macrocarpum (Argentinian blue-eyed grass) yellow blooms
  • Sisyrinchium macrocarpum (Argentinian blue-eyed grass) single yellow bloom with brown ring
  • Sisyrinchium macrocarpum (Argentinian blue-eyed grass) cover of the Plantsman Royal Horticultural Society
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Sisyrinchium macrocarpum (Argentinian blue-eyed grass) yellow blooms
Sisyrinchium macrocarpum (Argentinian blue-eyed grass) single yellow bloom with brown ring
Sisyrinchium macrocarpum (Argentinian blue-eyed grass) cover of the Plantsman Royal Horticultural Society

Sisyrinchium macrocarpum | Argentinian blue-eyed grass

This plant will not be available in 2026, however, propagation is planned/underway. Please sign up for the waitlist below to receive updates on availability in future years.

This sisyrinchium from Argentina has exceptional large, deep yellow flowers that appear in profusion over the summer months. They perfectly complement the short, strappy, glaucous grey foliage. Funky seed pods lend an additional element of interest as the season progresses.   

Easy to grow on moist but well drained soil in full sun to part shade. This plant is not drought tolerant and should not be allowed to dry out.

Zones: 5 to 9 
Family: Iridaceae
Type: Perennial
Height: 6 to 9 in.
Spread: 6 to 9 in.
Exposure: full sun, part-shade
Soil Conditions: average, moist but well-drained
Bloom Time: summer
Bloom Color: yellow
Native Range: Argentina

Special Characteristics
  • Deer-resistant
  • Snail Resistant
image credits

Dick Culbert from Gibsons, B.C., Canada, CC BY 2.0, via Wikimedia Commons
Agnieszka Kwiecień, Nova, CC BY-SA 4.0, via Wikimedia Commons
Mike Grant and Rita Heaton, Public domain, via Wikimedia Commons

Sisyrinchium macrocarpum (Argentinian blue-eyed grass) yellow blooms
Sisyrinchium macrocarpum (Argentinian blue-eyed grass) single yellow bloom with brown ring
Sisyrinchium macrocarpum (Argentinian blue-eyed grass) cover of the Plantsman Royal Horticultural Society

See all in this genus

garden location coming soongarden location coming soon
garden location coming soongarden location coming soon
 

view this plant in our gardens:

High Tunnel | 2024

seedling image

Sisyrinchium macrocarpum | Argentinian blue-eyed grass

We are slowly creating a seedling image library to help make weeding easier.
garden location coming soongarden location coming soon
 
garden location coming soongarden location coming soon