Downy oat-grass
Avenula pubescens · Poaceae
The gardener's calendar
Ideal time to plant downy oat-grass: set it out when the soil is neither frozen nor waterlogged, and water generously as it establishes.
ID card
- Family
- Poaceae (grasses)
- Type
- Perennial grass
- Mature height
- 16–32 inches (40–80 cm)
- Foliage
- Deciduous, pubescent (downy)
- Flowering
- May to July
- Hardiness
- Very hardy (zones 4–9)
- Origin
- Temperate and Mediterranean Europe
- Growth rate
- Moderate
Care
Light
Plant in full sun or partial shade for best density and form. This grass thrives in well-ventilated areas where air circulates freely, which helps limit excessive moisture issues.
Soil type
Avenula pubescens flourishes in well-drained soils, even chalky or poor ones. It tolerates dry ground once established and isn't bothered by rocky or lean soils typical of natural meadows.
Watering
Water regularly during the first year to encourage rooting. Once established, this grass becomes very drought-tolerant and needs little irrigation, even in summer.
Cutting back
Cut the clump back to ground level in early spring (February–March) before growth resumes. You can also leave the dried foliage in place over winter for ornamental interest and plant protection.
Fertilizer
Very light feeding. Avenula pubescens doesn't require rich fertilizer: a light compost application in early spring is more than enough, even on poor soils.
Health and prevention
This hardy grass is rarely troubled by disease. Avoid waterlogging and ensure good drainage to prevent any fungal issues. Good air circulation keeps risks low.
Did you know?
Avenula pubescens is a historically important forage grass, very common in natural chalky meadows across Europe. It owes its name to its pubescence—the fine down covering its leaves, giving it a characteristic silvery-grey appearance. In phytoremediation, it's sometimes used to stabilize and enrich degraded soils thanks to its deep root system and ability to thrive where few other plants grow.
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
- Tufted hair grassDeschampsia cespitosa
- Wavy hair-grassAvenella flexuosa
- Purple moor-grassMolinia caerulea
- Reed canary-grassPhalaris arundinacea
- Common quaking grassBriza media
- Creeping soft-grassHolcus mollis
Tips generated and checked by Viridia — adapt them to your local climate.