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Plant Database
Blue Oat Grass

Blue Oat Grass

Helictotrichon sempervirens

grass☀️ full sun💧 low water Hardy: Zone 4aZone 9b

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A semi-evergreen ornamental grass with striking blue-gray foliage that forms an attractive upright clump. It produces delicate tan flower spikes in late spring and is prized for year-round color and texture in dry landscapes.

Overview

Form
Upright
Growth Rate
slow
Size
1.5–2.5′ tall × 1.5–2.5′ wide
Dormancy
evergreen
Family
Poaceae

Native Range

Mediterranean

Seasonality

Bloom Season

J
F
M
A
M
J
J
A
S
O
N
D

Season of Interest

SpringSummerFallWinter

Companion Planting

Plants well with