Blue Oat Grass
Blue Oat Grass
Helictotrichon sempervirensItem #3997 USDA Hardiness Zone: 4 - 9
Graceful fountains of silver-blue blades form neat ornamental clumps that combine well with other grasses. Airy, beige to light brown, terminal panicles appear mid- to late summer. A reliable and attractive accent or specimen, perfect for rock gardens. May remain evergreen in mild winter regions.
- OverviewLight Needs:Full sunWatering Needs:Water regularly, allowing soil to dry slightly between intervals.Average Landscape Size:Moderate growing; reaches 2 to 3 ft. tall and wide.
- DetailBotanical Pronunciation:hel-ik-toh-TREE-kon sem-per-VI-renzPlant type:Ornamental GrassDeciduous/evergreen:Semi-evergreenSunset climate zones:2 - 24, 30 - 41Growth habit:RoundGrowth rate:ModerateAverage landscape size:Moderate growing; reaches 2 to 3 ft. tall and wide.Foliage color:Blue-greenBlooms:SummerFlower color:BrownDesign 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 PlantsBarberry (Berberis); Weigela (Weigela); Sedum (Sedum); Yucca (Yucca); Lavender (Lavandula); Ajuga (Ajuga)
- CareCare InformationGrows easily in average, well-drained soils. Water deeply, regularly during the first growing season to establish an extensive root system. Once established, water regularly, but allow to dry out slightly between intervals for best foliage color. Drought tolerant in cool climates. Prune away old, faded foliage before new growth emerges in spring.Pruning time: late winter.Light Needs:Full sunWatering Needs:Water regularly, allowing soil to dry slightly between intervals.
- History & LoreHistory:Native to Central and Southwestern Europe, the name Helictotrichon comes from the Greek words "helix" meaning spiral and "trichos" meaning hair.