Do you cut back Sisyrinchium?
Table of Contents
Do you cut back Sisyrinchium?
Pruning Sisyrinchium Remove discoloured or damaged foliage and cut back faded flower stalks in the autumn.
How tall does Sisyrinchium grow?
Members of the Sisyrinchium genus can be either hardy or half hardy perennials, and reach an height of between 30 and 90 cm (1 to 3 feet). Sisyrinchium plants bloom from spring to summer and carry small star shaped flowers atop long stems; these may be blue, yellow, purple or white.
Is Sisyrinchium a perennial?
Sisyrinchium are semi-evergreen perennials with narrow leaves that appear to be an ornamental grass, but actually belong to the Iris family. Noted for violet-blue flowers with yellow eyes on branched flowering stems. Plants will gradually expand as self-sowing at the base occurs.
How do you take care of Sisyrinchium?
How to grow
- Cultivation. Grows best in sun in a well-drained, moist soil.
- Propagation. Propagate by seed or by division.
- Suggested planting locations and garden types. City and courtyard gardens.
- Pruning. Remove old, blackened foliage after flowering.
- Pests. Generally trouble free.
- Diseases. Generally trouble free.
Does Sisyrinchium spread?
They grow from thin rhizomes that gradually spread outward from the clump. Some species are evergreen, while many others — especially in colder areas — die back to the ground in winter. In spring or summer small flowers appear on spikes at or just above the foliage.
Is Sisyrinchium invasive?
They can be short-lived, but seed prolifically and in suitable conditions can spread rapidly becoming invasive. They can grow all soil types plus slightly acid soils, neutral soils and slightly alkaline soils.
Is Sisyrinchium an evergreen?
This clump forming, semi-evergreen, grass-like perennial blooms in summer, with a long succession of yellow-centered blue flowers. It grows to 20 inches high and 6 inches wide, and self-sows easily.
Can I divide Sisyrinchium?
Dividing Sisyrinchium The ideal time to divide most perennials is after flowering – except for late blooming ones which should be left until spring. Some perennials positively need dividing after flowering as the flower stalks and the part of the plant that produced them die off and look ugly.
Is Sisyrinchium poisonous to dogs?
Sisyrinchium striatum has no toxic effects reported.
Does Sisyrinchium self-seed?
For best results, grow Sisyrinchium striatum in full sun in moist, well-drained soil. Will self-seed, so look out for seedlings, which can be left where they are or planted elsewhere.
