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Sisyrinchium californicum (Golden-Eyed Grass)

Sisyrinchium californicum, commonly known as the Golden Eyed Grass, is an herbaceous perennial grown for both its foliage and flowers. It bears masses of small, yellow flowers which are complemented with dark green, grass-like foliage. It grows as a clump to about 10 cm tall and 20 cm wide. Sisyrinchium californicum is commonly included in cottage gardens, added to a border planting, maintained in a container, planted around outdoor living areas such as pools and the like, or used anywhere the beauty of this plant can be enjoyed.

Sisyrinchium californicum plants with yellow flowers and fine, green foliage.
Sisyrinchium californicum yellow flower.

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Suited to regions:All regions
Plant type:Grasses
Height:10 cm
Spread:20 cm
Flowering time:Spring
Tolerances:Hardy, Wind
Garden uses:Borders, Containers, Living areas, Paths & Steps, Patios, Pool areas
Garden styles:Alpine, Architectural, Backyard, City & Courtyard, Frontyard, Japanese, Modern
Easy to grow?Yes
Maintenance requirementsLow
Growth rateMedium
Also known as
Sku17820

How to grow Sisyrinchium californicum (Golden-Eyed Grass) in NZ

Sisyrinchium californicum (Golden-Eyed Grass) thrives in full sun to partial shade and prefers moist but well drained soil. It is adaptable to different soil types, though it performs best in fertile, humus rich soils. Regular watering helps ensure prolific flowering, especially during dry spells. In NZ, this hardy perennial establishes well and will naturalise in suitable conditions, rewarding gardeners with consistent displays each season.

Sisyrinchium californicum (Golden-Eyed Grass) care tips

Sisyrinchium californicum (Golden-Eyed Grass) is low maintenance and ideal for easy care gardens. Remove old flower stalks after blooming to keep plants neat and encourage fresh growth. Apply a balanced fertiliser in spring to support flowering and overall vigour. Mulching helps conserve moisture and suppress weeds around the base. Clumps can be divided every few years to rejuvenate plants and create new ones for other garden areas.

Sisyrinchium californicum (Golden-Eyed Grass) size, spacing, and growth rate

Sisyrinchium californicum (Golden-Eyed Grass) typically grows 20 to 30 cm tall and 20 to 25 cm wide, forming compact grassy clumps. It grows at a moderate rate, gradually spreading to form attractive patches over time. Allow spacing of 20 to 25 cm between plants to achieve the best coverage. Its tidy form makes it suitable for edging, borders, or mass planting for vibrant seasonal effect.

Landscaping uses for Sisyrinchium californicum (Golden-Eyed Grass)

Sisyrinchium californicum (Golden-Eyed Grass) is perfect for adding a splash of golden colour to rockeries, borders, and mixed beds. Its compact form and cheerful blooms make it ideal for planting along pathways or in containers. It looks especially attractive in naturalised plantings where it can spread gradually. In NZ gardens, it is often paired with colourful perennials and ornamental grasses to create striking contrasts.

Why buy Sisyrinchium californicum (Golden-Eyed Grass) from The Plant Company?

Purchasing Sisyrinchium californicum (Golden-Eyed Grass) from The Plant Company means choosing NZ’s most trusted plant nursery. Our plants are carefully nurtured to be healthy, vigorous, and ready to thrive in your garden. We provide expert advice, nationwide delivery, and excellent customer service. With The Plant Company, you can be confident of receiving premium quality plants that will bring long lasting beauty to your garden.

Questions and Answers

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