Botanical Name: Helictotrichon sempervirens
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Common Name: Blue Oat Grass  
Plant photo of: Helictotrichon sempervirens
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Water Saving Tip:

Fix leaking sprinklers, valves, and pipes.

One broken spray sprinkler can waste 10 gallons per minute - or 100 gallons in a typical 10 minute watering cycle.

  • Anatomy

  • Culture

  • Design

Plant Type

Perennial, Grass

 

Height Range

1-3'

 

Flower Color

White

 

Flower Season

Summer

 

Leaf Color

Blue Green, Silver

 

Bark Color

n/a

 

Fruit Color

n/a

 

Fruit Season

n/a

Sun

Full, Half

 

Water

Low

 

Growth Rate

Moderate

 

Soil Type

Sandy, Loam, Rocky, Unparticular

 

Soil Condition

Average, Well-drained, Dry

 

Soil pH

Neutral

 

Adverse Factors

n/a

Design Styles

Formal, Japanese, Meadow, Mediterranean, Ranch, Seascape, Spanish, Native Garden, Woodland

 

Accenting Features

Specimen, Unusual Foliage

 

Seasonal Interest

Winter, Spring, Summer, Fall

 

Location Uses

Entry, Perennial Border, Shrub Border, Foundation, Patio, Park, Parking Lot, Raised Planter, Swimming Pool, With Rocks

 

Special Uses

Filler, Mass Planting, Small Spaces

 

Attracts Wildlife

n/a

Information by: Stephanie Duer
Photographer: Steve Mullany,JJ Neilson
  • Description

  • Notes

Blue oat grass is a striking ornamental grass with blue foliage and a clumping habit. It grows 12 to 18 inches tall and wide. Its showy flowers are 1 to 2 feet above the foliage. Is evergreen in mild winters. This plant looks good alone as well as in mass plantings. The blue oat grass likes dry hill sides and is drought tolerant.
Grow in well drained, dry to average soil, in full sun. Generally not evergreen in this climate, though if planted against a south or west wall, it is more inclined to be so. Cut back in late winter to early spring, about 3 to 5 inches above the crown.