Success With Seeds Sisyrinchium

Sisyrinchium Germination Information

Sisyrinchium is the botanical name for Golden-Eyed Grass
Sisyrinchium Seed Germination How to Sow Sisyrinchium:
  • Best sown outdoors at 68-70° with NO cover as light aids in germination
  • Expect germination in 20-30 days
  • Seeds can also be sown outdoors in warm soil in the spring, after all danger of frost is past
  • When sowing seed outdoors, we recommend a maximum planting depth of 4X the width of the seed

How to Grow Sisyrinchium:
Transplanting: Transplant when there are at least two sets of true leaves

Spacing: Space 11/2-2 feet apart in full sun

Soil: Site in an acidic, normal, loamy, moist, well-drained soil. Very tolerant of poor, low-fertility soils

Additional Care: Plants will need protection from excessive winter moisture. It will readily self-sow around the garden

Appearance and Use:

Situate plants as filler in borders, use as edging, and in showy container displays. They will grow 24 inches tall by 6 inches wide. The 1/2-1 inch flowers are star-shaped, yellow with dark veins, and they appear in mid-summer. The leaves are gray-green and sword shaped to 6 inches long


About Sisyrinchium:
Pronunciation:  sis-i-rin’ke-um kal-i-fôrn’i-cum
Lifecycle:  Annual*
Origination: Iridaceae, native from British Columbia to California
Common Name: Golden-Eyed Grass

*Grown as an annual, but is actually a short-lived perennial in Zones 8 and 9