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Festuca glauca

(Blue Fescue / Blue Ornamental Grass)

Add year-round colour and texture to your garden with Festuca glauca, a compact ornamental grass prized for its striking clumps of fine, silvery-blue foliage. Its neat, rounded growth habit creates a beautiful contrast against green foliage, flowering perennials and colourful shrubs. In summer, delicate flower spikes rise above the foliage, adding height and movement to this attractive, low-maintenance grass.

Perfect for rockeries, garden borders, gravel gardens and containers, Blue Fescue is an excellent choice for water-wise planting in South African gardens. It thrives in full sun, where its distinctive blue colouring is most pronounced, and prefers well-drained soil. Once established, it tolerates dry conditions and requires little attention. Avoid overwatering, particularly in heavy clay soils, as poor drainage can cause the roots to rot.

Festuca glauca is especially effective when planted in groups along pathways or among stones, where its cool blue tones provide year-round interest. Trim away old or untidy foliage to keep the clumps looking fresh, and divide established plants when they become congested.

Flowering time

Late spring to summer

Position

Full sun – essential for the best blue foliage colour

Water

Low to moderate – water regularly while establishing, then sparingly once established

Mature size

20–30 cm high × 25–35 cm wide

Frost tolerance

Good – tolerates frost and cold conditions

Garden tip

For the strongest blue colour, plant Festuca glauca in a sunny position with excellent drainage. Cut back dead foliage in late winter or early spring to encourage fresh growth.