Does Sisyrinchium spread?

Sisyrinchium striatum (pale yellow-eyed grass) is a popular robust, clump-forming perennial, with greyish-green foliage. Pale yellow flowers in summer-autumn. Height to 2ft (60cm), spread to 1ft (30cm) or more.

Is Sisyrinchium invasive?

Although the flowers are short-lived, the species is self-compatible and must regularly self-pollinate since it generally seeds very freely. In good growing conditions blue-eyed grass can become locally abundant, spreading in an invasive weedy manner.

Does blue-eyed grass spread?

Star-shape, blue-purple flowers decorate blue-eyed grass in spring and early summer. A wonderful plant for edging a walkway or the front of a cottage garden border, this compact perennial grows in a slowly spreading clump.

Is blue-eyed grass annual or perennial?

Blue Eyed Grass is a 1 foot tall perennial herb that grows throughout California, usually in open places where there is some moisture, particularly grassy areas. It can also be found in woodlands and at altitudes up to almost 8000 feet. The stems can grow as long as 24 in, though they are often shorter.

Do I deadhead Sisyrinchium?

Fertile and moist soil. Regular watering whilst in the growing season. Deadhead to prevent self-seeding in environments where it may grow aggressively. Cut back to the ground once all flowering has completed.

Is Sisyrinchium a perennial?

Pale yellow-eyed grass, Sisyrinchium striatum, is a clump-forming perennial bearing fans of iris-like foliage, topped by clusters of pale yellow flowers in June and July.

Do you deadhead Sisyrinchium?

Regular watering whilst in the growing season. Deadhead to prevent self-seeding in environments where it may grow aggressively. Cut back to the ground once all flowering has completed.

Do you deadhead Blue Eyed Grass?

Deadheading and Pruning Blue-eyed grass doesn’t require pruning but may benefit from deadheading faded blooms. The entire clump can be cut back after blooming to prevent seed production if you do not want them to self-seed in your garden. Cutting them back after blooming may force repeat blooming later in the season.

How do you keep blue eyed grass blooming?

spring and early summer moisture (as long as the soil drains extremely well). Shear after blooming if desired, to improve the appearance of the clump and to prevent self-seeding. Divide every 2-3 years to keep vigorous. Blue-eyed grass has no significant insect or disease problems and is not favored by deer.

Is Sisyrinchium striatum poisonous to dogs?

Is Sisyrinchium striatum poisonous? Sisyrinchium striatum has no toxic effects reported.

What kills blue eyed grass?

You can also always use a non-selective herbicide such as RoundUp QuikPro and just spot treat the areas where you find the blue-eyed grass.

Is Blue Eyed Grass poisonous?

Decoction taken for fevers such as malaria and scarlet fever but not typhoid. Feared it was poison. At is this: The leaves of mountain blue-eyed-grass are edible cooked. Native peoples used the roots of mountain blue-eyed-grass to make a tea for treating diarrhea, especially in children.

How tall does Sisyrinchium angustifolium grow in Missouri?

It is native to Missouri where it occurs in damp open woods, slopes and along stream banks throughout much of the State. It is a clump-forming perennial that features a tuft of narrow grass-like leaves (to 3/16″ wide) typically growing to 12″ (less frequently to 20″) tall.

Where does Sisyrinchium live in North Carolina?

Sisyrinchium is a large genus of about 150 species native to the new world (including North Carolina). In the wild, Sisyrinchium species live in somewhat protected spots…among tall grasses in sandy meadows, along stream banks and swamp edges and in moist open woods.

What kind of soil does Sisyrinchium angustifolium need?

Best grown in medium moisture, well-drained soil in full sun to part shade. Prefers consistently moist soils that do not dry out, but drainage must be good. Will freely self-seed in optimum growing conditions.

How often should you split Sisyrinchium angustifolium plant?

Plantings may be sheared back after bloom to avoid any unwanted self-seeding and/or to tidy foliage for remaining part of the growing season. Plants may need to be divided every 2-3 years to keep plantings vigorous. Sisyrinchium angustifolium, commonly called blue-eyed grass, is noted for its violet-blue flowers and branched flowering stems.