Melinda Myers

Blue Oat Grass

Botanical Name

Helictotrichon sempervirens

Hardiness

Zones 4 to 9

Height

2 to 3 feet

Width

2 to 3 feet

Flowers

Early summer: pale blue

Light

Full sun

Soil

Moist, well-drained

Planting & Care

• Cut back in late winter before new growth begins or let new growth mask the old
• Over-watering and over-fertilizing can lead to root rot

Problems

Rust in humid weather

Varieties

• Saphirsprudel - German introduction, rust resistant
• Sapphire - finer, bluer foliage than species