• slide
  • slide
  • slide
  • slide
  • slide
  • slide
  • slide
  • slide

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

Related Content

Upcoming Live Events
& Webinars


April 20, 2024
Pruning Hydrangeas and Other Shrubs 
Pasquesi Home & Gardens, Lake Bluff, IL

April 27, 2024
Ridges & Rivers Book Festival
Viroqua, WI

April 28, 2024
Flowering Trees and Shrubs
Ebert's Greenhouse Village, Ixonia, WI

May 1, 2024
FREE WEBINAR

Ornamental Fruits and Vegetables
Register now

May 4, 2024
Garden U 2024 

New Richmond, WI
Register now

May 9, 2024
FREE WEBINAR

How to Plant Your Rain Garden
Register now

May 11, 2024

Ask The Plant Doctor Q & A
Ebert's Greenhouse Village, Ixonia, WI

May 12, 2024
Ask The Plant Doctor Q & A
Ebert's Greenhouse Village, Ixonia, WI

May 18, 2024
Ask The Plant Doctor Q & A
Ebert's Greenhouse Village, Ixonia, WI

June 1, 2024
Selecting, Planting, Pruning and Caring for Hydrangeas
Ebert's Greenhouse Village, Ixonia, WI

June 5, 2024
FREE WEBINAR

Under-Appreciated Pollinators
Register now

WATCH ON-DEMAND WEBINARS

Learn More

Book an Appearance

Learn More

Enter to Win The Birds & Blooms' Ultimate Gardening Guide !

ENTER NOW