Arrhenatherum Elatius subsp. Bulbosum 'Variegatum'
(Tuber Oat Grass/Onion Couch)
Common Names: Tuber Oat Grass, Striped Tuber Oat Grass,
Onion Couch, Bulbous Oat Grass, False-oat,
Description: Heavily variegated fine grassy foliage. Each leaf has
margins of bright white and rich blue-green striping that run vertical through the center
of the blade. It is grown primarily as a groundcover and a bedding plant in the
foreground of perennial borders. The foliage feels soft to the touch. Where
the grass meets the roots, onion like tubers appear, hence the common name Onion Couch.
Zone: 4a
Origin: Europe
Leaf Blade: 3/16 inch wide x 6 inches long
Foliage: 18 inches wide x 10 inches high
Plume: 15 inches high
Sun: 1/4 to Full Sun
Moisture: Moist, well drained
Foliage Color - Summer: Ivory and Green Striping
Fall: Ivory and Green Striping
Winter: Tan/Light Brown