Also called Evergreen Oat Grass
More About Helictotrichon sempervirens
- AKA Avena sempervirens
- Semi-evergreen ball of spiky blue blades
- Occasional blue seed heads turn tan in colour and persist through the winter
- Bloom Time: Late spring
- Flower Height: 100 cm
- Foliage Height: 60 cm
- Grass Type: Cool Season
Cool Season Grasses: These grasses do the majority of their growing in early spring and start again when temperatures start to cool in the fall. During the warmer summer months, they stop growing and some will even go dormant. Cool season grasses flower in the spring or early summer. Most cool season grasses grow best in a consistently moist soil.
Blue Oat Grass Growing and Maintenance Tips
Best grown in full sun or light shade in a well-drained soil. Remove dead foliage in the spring. Clumps should be divided in the spring every 2-3 years to maintain vigour.
Helictotrichon sempervirens Characteristics
Soil MoistureAverage to Dry Soils
Flowering TimeLt. Spr-Sum