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Festuca acuminata

Festuca acuminata · Poaceae

The gardener's calendar

The right move for September

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

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ID card

Foliage
Evergreen, fine and sharp
Flowering
Summer (June to August)
Adult size
30 to 50 cm in height
Growth
Moderate
Hardiness
Very hardy (down to -20°C)
Origin
North America (mountain prairies)
Soil type
Well-drained, poor to moderately fertile

Care

Exposure

Choose a location in full sun for optimal growth and attractive foliage. This fescue also adapts to partial shade, though with reduced vigor. Avoid overly shaded and wet areas.

Watering

Once established, this fescue is very drought-resistant thanks to its deep root system. Water moderately during establishment and during prolonged dry spells. In humid climates, ensure sufficient drainage to prevent rot.

Soil

Festuca acuminata prefers well-drained soil that is poor to moderately fertile. It tolerates rocky, chalky, and even compacted soils. Avoid waterlogged and overly rich soils, which promote leaf growth at the expense of robustness.

Pruning and cutting

Cut back dried foliage in spring before new growth begins. In dry climates, autumn cleanup may suffice. Avoid cutting too short, which would expose the stolons; maintain at least 5 cm in height.

Fertilizer

This fescue requires no fertilizer once established on suitable soil. Excess fertilizer promotes weakness and reduces hardiness. Use only a very light application in spring on extremely poor soils.

Diseases and pests

Very resistant, this fescue is rarely affected by diseases or pests. Insufficient drainage can promote fungal rot. Prioritize prevention through appropriate site selection rather than treatments.

Did you know?

Festuca acuminata, endemic to the subalpine prairies of North America, plays a major ecological role in stabilizing rocky slopes and improving degraded soils. Its name 'acuminata' alludes to its characteristic pointed leaves, which were sometimes used by indigenous peoples as flexible material for weaving.

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.

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