My garden, alive in my pocket.
Track my garden
🌿

Agrostis rupestris

Agrostis rupestris · Poaceae

The gardener's calendar

The right move for September

Ideal time to plant agrostis rupestris: set it out when the soil is neither frozen nor waterlogged, and water generously as it establishes.

JFMAMJJASOND Planting

ID card

Family
Poaceae (grasses)
Form
Perennial grass, compact tuft
Foliage
Evergreen, fine and narrow
Flowering
Summer (June to August)
Adult size
15 to 30 cm in height
Hardiness
Very hardy (down to -20°C)
Origin
Mountains of Europe (Alps, Pyrenees)
Soil type
Well-drained, poor to moderate

Care

Light and climate

Agrostis rupestris thrives in full sun or light partial shade. This mountain grass appreciates well-ventilated areas and tolerates windy exposures without damage. It adapts well to alpine gardens and rocky terrain.

Soil preparation

Plant this grass in well-drained soil, preferably poor to moderately fertile. Improving drainage with coarse sand or gravel is recommended in heavy or moist soils. It dislikes waterlogging but tolerates poor and stony soils typical of rocky habitats.

Watering

Once established, Agrostis rupestris is very self-sufficient and requires little watering. Water moderately at planting time and during prolonged drought. This alpine grass fears stagnant moisture more than dryness.

Pruning and maintenance

Comb or lightly trim the tuft in spring (March-April) to remove debris and renew the foliage. Avoid cutting too short, which would weaken the plant. Minimal maintenance is sufficient; this grass is undemanding once established.

Fertilizing

Agrostis rupestris generally requires no fertilizer thanks to its preference for poor soils. Light compost at planting can be enough. Avoid over-fertilizing, which would encourage excessive and unbalanced growth.

Health and pests

This grass is very robust and not particularly susceptible to diseases. Above all, avoid waterlogging, which could cause rot. No specific pests significantly affect it under optimal conditions (well-drained soil, airy exposure).

Did you know?

Agrostis rupestris is a grass specialized in rocky debris and high-altitude rocks of the Alps and Pyrenees. Its English vernacular name, 'Highland Bent,' reveals its remarkable adaptation to extreme rocky terrain. Widely used in ecological restoration of degraded areas, it plays a crucial role in stabilizing mountain slopes thanks to its fine but deeply anchored root system.

Where to buy it

Plant in spring or early autumn, avoiding spells of intense heat. Pick a plant with healthy foliage and roots that are not exposed. Best time: March, April, May, September.

Add this plant to my garden →

Plants from the same family

Browse all plants →

Tips generated and checked by Viridia — adapt them to your local climate.