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Botanical name: Helictotrichon sempervirens
Common name: Blue oat grass
USDA zones: 4 to 8; hardy to less than 0 degrees Fahrenheit (find your zone)
Water requirement: Occasional; drought tolerant
Light requirement: Full sun to light shade
Mature size: 2 feet tall and wide
Benefits and tolerances: Drought tolerant; deer resistant; can handle air pollution
Seasonal interest: Evergreen in temperate climates; flowers in summer
When to plant: Plant or divide in early spring
How to use it. This particular grass is a delight when massed, used in a container or used as an accent plant. The soft, fine evergreen foliage also creates a soft and soothing foundation for companion flowers.
Planting notes. With a little maintenance, well-draining soil and deep, infrequent waterings, you should be able to grow blue oat grass with ease. It produces its best color when it's planted in full sun. In too much shade, the grass clump may flop over.
Blue oat grass is considered evergreen, but in more extreme climates it may be considered semievergreen.
Every spring and fall, pull out dead growth with your hands or comb it out with a metal rake. In harsher climates a late-winter or spring trim can help keep your blue oat grass looking its best.
Do you use blue oat grass in your landscape? We'd love to see your photo in the Comments below.