Helictotrichon, commonly known as oat grass, is a genus of evergreen grasses that form dense, tufted clumps of narrow leaves. This cultivar thrives in full sun and well-drained, neutral loam soils, making it suitable for both exposed and sheltered sites. It produces upright or arching stems with panicles of flowering spikelets during spring, summer, and autumn. Hardy to UK zone H5, it is well suited for coastal locations, architectural planting, and low-maintenance flower borders and beds.

Helictotrichon, or oat grass, is an evergreen grass thriving in full sun with architectural appeal, ideal for coastal and low-maintenance gardens.

Helictotrichon

Helictochloa pratensis, known as meadow oat-grass, is a species of perennial flowering plant in the grass family Poaceae, found in temperate parts of Europe and Asia. Its culms are erect and 30–85 cm long; leaves are mostly basal. It is restricted to shallow, calcareous soils such as those formed on chalk and limestone substrates. Grow it in full sun and loam soil. In UK gardens it is hardy in most of the UK (RHS H5). It works well for coastal, architectural, low maintenance and flower borders and beds. It tolerates neutral soils, well-drained conditions and south-facing, north-facing, west-facing and east-facing aspects. Plant in well-drained soil in sun. Cut back in late winter.

Helictotrichon pratense, commonly known as meadow oat grass, is a member of the Poaceae family and features dense clusters of narrow foliage. This species exhibits both upright and arching stems, which bear panicles of flowering spikelets in the summer.

https://en.wikipedia.org/wiki/Helictochloa_pratensis

Helictotrichon pratense

Helictotrichon sempervirens, the blue oat grass, is a species of flowering plant in the true grass family, Poaceae, native to central and southwest European grasslands. It is a bunchgrass often used as an ornamental grass in garden design and landscaping. The foliage is pale green with a hint of blue. It grows in an arching shape, up to 140 cm (55 in) tall by 60 cm (24 in) wide. Mature plants reach roughly 1-1.5 metres tall and 0.5-1 metres wide, carrying evergreen foliage. In the garden it prefers full sun and most soil types. It tolerates alkaline and neutral soils, moist but well-drained, well-drained conditions and south-facing, north-facing, west-facing and east-facing aspects.

https://en.wikipedia.org/wiki/Helictotrichon_sempervirens

Helictotrichon sempervirens

Helictotrichon sempervirens, the blue oat grass, is a species of flowering plant in the true grass family, Poaceae, native to central and southwest European grasslands. It is a bunchgrass often used as an ornamental grass in garden design and landscaping.

Helictotrichon sempervirens 'Pendulum' is a hardy, low-maintenance blue oat grass ideal for coastal and architectural garden borders from spring to autumn.