Blue Oat Grass
Helictotrichon sempervirens 'Saphirsprudel' (= ‘Sapphire’)View more from Ornamental Grasses
Blue Oat Grass
Helictotrichon sempervirens 'Saphirsprudel' (= ‘Sapphire’)
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Blue Oat Grass is a striking ornamental grass that forms a dense clump of thin leaves, rising about 18 inches into the air, like the fine spray of a fountain. The foliage is a bold silver-blue color, and in warmer zones it is evergreen, looking good all through winter. In summer stems to 3 feet tall rise up, carrying clusters of nodding grass flowers that sway and rustle in the breeze. A superb grass for sunny areas, rocky slopes, edging beds, rock gardens, coastal gardens and in planters.
- A blue fountain of slender silver-blue leaves
- Topped with tall heads of nodding grass flowers in summer
- Very cold-resistant even in zone 3
- Evergreen in warmer zones
- Grows well in coastal areas
Full sun is best for the Blue Oat Grass, which will take an hour or two of shade as well. It needs well-drained soil, and will grow in almost all types of soil, from clay to sandy gravels. It isn’t bothered by pests, diseases or deer and it tolerates drought and salt-spray well. Cut down to a inch or two tall in fall or late winter, if needed to encourage fresh, new foliage.
Botanical Name:
Helictotrichon sempervirens 'Saphirsprudel' (= ‘Sapphire’)
Mature Width:
1.0-1.5 ft
Mature Height:
1.5-2.0 ft
Grows Well In:
Zones 3-8
Sun Needs:
Full Sun
Water Needs:
Low
Growth Rate:
Medium
Flowering Season:
Summer
