Photo by Melody

PlantFiles: Yellow Eyed Grass, Satin Flower
Sisyrinchium striatum

Family: Iridaceae (eye-rid-AY-see-ee) (Info)
Genus: Sisyrinchium (sis-ee-RINK-ee-um) (Info)
Species: striatum (stree-AH-tum) (Info)

2 vendors have this plant for sale.

14 members have or want this plant for trade.


24-36 in. (60-90 cm)

9-12 in. (22-30 cm)

USDA Zone 7a: to -17.7 C (0 F)
USDA Zone 7b: to -14.9 C (5 F)
USDA Zone 8a: to -12.2 C (10 F)
USDA Zone 8b: to -9.4 C (15 F)
USDA Zone 9a: to -6.6 C (20 F)
USDA Zone 9b: to -3.8 C (25 F)
USDA Zone 10a: to -1.1 C (30 F)
USDA Zone 10b: to 1.7 C (35 F)

Sun Exposure:
Sun to Partial Shade

Unknown - Tell us

Bloom Color:
Bright Yellow

Bloom Time:
Late Spring/Early Summer
Mid Summer


Other details:
Average Water Needs; Water regularly; do not overwater

Soil pH requirements:
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)

Patent Information:
Unknown - Tell us

Propagation Methods:
By dividing the rootball

Seed Collecting:
Bag seedheads to capture ripening seed
Allow seedheads to dry on plants; remove and collect seeds
Properly cleaned, seed can be successfully stored

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By Baa
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By Baa
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There are a total of 14 photos.
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4 positives
1 neutral
No negatives

Gardeners' Notes:

Positive bejoy2 On Sep 14, 2011, bejoy2 from Olympia, WA wrote:

The plant usually grows well for me, but did not overwinter last year. I got a new clump from a friend, and started dividing it up, but some of the fans won't stand up when I plant them at the soil level of the original clump. I am beset with questions which the internet does not help answer: How deep should I plant the fans? Can I cut a large fan in half, and do I need to let it callous before planting? Can I use chicken grit or gravel on the soil surface to help the fans stand up without planting it too deeply? Will the fans with flower stalks also grow, or should I just compost them? Any other advice would be appreciated.

Neutral Joy On Jun 28, 2006, Joy from Kalama, WA (Zone 8b) wrote:

This plant self sows very freely. Sometimes too much. Luckily it's easy to remove any you don't want.
Does well in dry areas.

Positive somermoone On Jun 20, 2006, somermoone from Las Vegas, NV (Zone 8a) wrote:

this particular plant is doing well, non attended in a more shady area. It's quite lovely.
Bellingham, Washington

Positive saya On Mar 9, 2005, saya from Heerlen
Netherlands (Zone 8b) wrote:

Keeps its foliage during winter in my garden...lovely sunloving can take some frosts at least to -8C overhere.

Positive Ursula On Nov 29, 2004, Ursula from Santiago
Chile (Zone 9b) wrote:

Chilean native herbaceous perennial (rhizome) that can be found on moist locations, at full sun. This plant can reach 1 m height and is a proliferous re-seeder.

Main requirements: full sun and good drainage. Some permanent moisture is desireable. This plant is valued as well for foliage as for its flowers.

Propagation from seeds: stratified sowing during Autumn in a mix of equal parts of compost, regular garden soil and river sand. Transplant once the plantil reaches 5 cm (2"). This plant will bloom first year from seeds. It can also be propagated dividing its rhizoms.

Recommended for borders, to naturalize on a meadow, in flower beds, pots, containers and balconies. Can be used as cut flower.


This plant has been said to grow in the following regions:

Walnut Creek, California
Baltimore, Maryland
East Tawas, Michigan
Clatskanie, Oregon
Dallas, Oregon
Austin, Texas
Fate, Texas
Princeton, Texas
Bellingham, Washington (3 reports)
Chimacum, Washington
Geneva, Washington
Langley, Washington
Olympia, Washington
Seattle, Washington
Vancouver, Washington

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