Blue Oat Grass
Blue Oat Grass
Helictotrichon sempervirensItem #3997 USDA Hardiness Zone: 4 - 9
This Plant's Availability
Graceful fountains of silver-blue blades form neat ornamental clumps that combine well with other grasses. Beige to light brown terminal panicles appear June through August. Reliable and attractive accent or specimen, perfect for rock gardens. Evergreen perennial.
- OverviewLight Needs:Full sunWatering Needs:Once established, needs only occasional watering.Average Landscape Size:Moderate grower to 2 to 3 ft. tall and wide.
- DetailBotanical Pronunciation:hel-ik-toh-TREE-kon sem-per-VI-renzPlant type:Ornamental GrassDeciduous/evergreen:EvergreenSunset climate zones:2 - 24, 30 - 41Growth habit:RoundGrowth rate:ModerateAverage landscape size:Moderate grower to 2 to 3 ft. tall and wide.Foliage color:Blue-greenBlooms:Airy panicles, mid to late summer.Flower color:BrownFlower attributesShowy FlowersGarden styleMediterraneanDesign IdeasBlue Oat Grass is at home in desert gardens as well as in the traditional perennial border. Plant beside landscape boulders, in rock gardens or at the edges of natural pools. Particularly beautiful planted in masses and paired with blue-gray Mediterranean plants.Companion PlantsCombine with other blue-gray foliage plants from the Mediterranean like Lavender, Bush Germander, Olive and Stonecrop for a waterwise garden. Contrasts well with the purple leaf foliage of Barberry, Smoke Bush and Weigela, and red or magenta bloomers like Daylily and Geranium.
- CareCare InformationFollow a regular watering schedule during the first growing season to establish a deep, extensive root system. Drought tolerant once established. Best growth and foliage color in full sun. In hot arid climates, needs supplemental summer watering. Cut back in late winter.Light Needs:Full sunWatering Needs:Once established, needs only occasional watering.
- History & LoreHistory:Native to Central and Southwestern Europe, the name Helictotrichon comes from the Greek words "helix" meaning spiral and "trichos" meaning hair.