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Helictotrichon sempervirens · Poaceae

Blue Oat Grass

✅ Pet-friendlyPerennial, maintaining foliage year-round.30 to 60 cm
Full sunLow; tolerates drought once established.EasyTolerates negative temperatures down to minus 15 degrees Celsius.

Description & origin

Blue oat grass is a perennial ornamental grass with bluish leaves that add a touch of color to the garden. Ideal for borders and combinations with other plants of contrasting textures. Cold hardy and easy to maintain.

Size

Maintains a compact size, ideal for small gardens.

Foliage

Evergreen foliage that retains its bluish color year-round.

Flowering

This species does not produce flowers in domestic cultivation.

Detailed care

Light

Prefers full sun for healthy growth.

Soil

Needs well-drained soil, preferably sandy or rocky.

Watering

Requires low watering, tolerating drought once established.

Temperature

Tolerates negative temperatures, ideal for cold climates.

Fertilising

Lightly fertilize in spring to encourage growth.

Repotting

Transplant in spring when the risk of frost has passed.

Pruning

Remove dry or damaged leaves to maintain appearance.

Propagation

Propagates by division in spring or autumn.

Common problems

Overwatering

Can cause root rot if the soil does not drain well.

Yellowing leaves

Indicates too much shade or waterlogged soil.

Pests

Rarely affected by pests, but may occasionally attract aphids.

Uses & curiosities

In the garden

  • Borders
  • Rock gardens
  • Textural combinations

Other uses

Ideal for low-maintenance gardens.

Did you know…

This plant is native to the mountainous regions of Europe and is known for its cold resistance.