Helictotrichon sempervirens

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Blue Oat Grass

USDA Hardiness Zone 4-9

This bright splash of blue-gray, semi-evergreen grass is wonderful en masse or as a specimen plant. Blooms of bluish white to golden wheat oat-like panicles.

Height

12-18 Inches

Spread

15-18 Inches

Color

Mixed

Bloom Time

May-June

Homeowner Growing and Maintenance Tips

This clump-forming, cool season grass is usually evergreen, but will be deciduous in the coldest of winters. Great winter interest. Cut back in early spring.

When to Divide

spring or fall

Good Companions

Sea Thrift (Armeria maritima), New York Aster (Aster dumosus), Blackberry Lily (Belamcanda chinensis), Mouse Ear Coreopsis (Coreopsis auriculata), Purple Coneflower (Echinacea purpurea), Bloody Cranesbill (Geranium sanguineum), Daylily (Hemerocallis ), Dwarf Beaded Iris (Iris ), Candylily (Pardancanda norrisii), Moss Phlox (Phlox subulata), Black-Eyed Susan (Rudbeckia hirta), Stonecrop (Sedum rupestre), Checkerbloom, Prairie Mallow (Sidalcea )

Characteristics & Attributes

Attributes & Uses
• Ground Cover
• Containers
• Dried Flowers
• Crafts
Critter Resistance
• Deer Resistant
Exposure
• Full Sun
Foliage Color
• Blue-Gray
Season of Interest (Flowering)
• Spring
• Summer
Season of Interest (Foliage)
• Spring
• Winter
• Fall
• Summer
Soil Moisture Preference
• Rich
• Well-drained