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Blue Oat Grass

Helictotrichon sempervirens
Size Chart

Annuals & Perennials Size Chart

Annuals & Perennials Size Chart

Perennial grass has dense clumps of attractive silver-blue, narrow foliage. Airy, pale tan flower clusters held high above foliage in spring. Adds great color and textural contrast to the garden. Perfect border or ground cover plant.

Plant with Barberry


  • Landscape Size: 2'-3' tall, 2'-3' wide
  • Light Requirement: Full Sun
  • Water Needs: Low
  • USDA Zone: 4a
  • Growth Habit: Compact, Mounding
  • Growth Rate: Moderate
  • Attributes: Ornamental Grass, Waterwise, Deer Resistant

See Green Thumb Guide below for region specific information.


Green Thumb Guide

Grows well in enriched, well draining soil. In early spring, cut back faded foliage for fresh new growth. Feed with an all purpose fertilizer in spring when new growth appears.

These characteristics apply to the greater Sacramento area and nearby regions.

Live outside of our area? Please check with your local cooperative extension for the best growing practices in your neck of the woods

Visit: UC Cooperative Extension Offices (Opens in new window)
Visit: National County Extension Offices (Opens in new window)



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