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All 12 products · Brick Premium

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Raised garden bed I – solid 2⅜ in European larchRaised garden bed IRaised garden bedsRaised garden bed L – solid 2⅜ in European larchRaised garden bed LRaised garden bedsRaised garden bed U – solid 2⅜ in European larchRaised garden bed URaised garden bedsBed I with bench – solid 2⅜ in European larchBed I with benchRaised garden bedsBed L with bench – solid 2⅜ in European larchBed L with benchRaised garden bedsSolid bench – solid 2⅜ in European larchSolid benchSeatingPedestal bench – solid 2⅜ in European larchPedestal benchSeatingBench with planter – solid 2⅜ in European larchBench with planterSeatingGarden table – solid 2⅜ in European larchGarden tableSeatingTable and two benches – solid 2⅜ in European larchTable and two benchesSeatingSandbox with seating – solid 2⅜ in European larchSandbox with seatingFor kidsGarden steps – solid 2⅜ in European larchGarden stepsSlope & terrace

By project

Brick Premium bedsSeatingKids’ cornerSlope & terraceCustom-size bedLow wall & slopeBed for the patio
Choose your climateBased on winter hardiness only.

Grass · Poaceae family

Blue oat grass

Helictotrichon sempervirens

Full sun 1 ft 11⅝ in–2 ft 11⅜ in × 1 ft 7⅝ in–3 ft 3⅜ in to −93 °F

In short a 10-second read

SunFull sun
Size1 ft 11⅝ in–2 ft 11⅜ in
spacing 22¾ in
PlantingMarch–April, September–October
WinterNo winter protection

Where to plant and how much to water

Sun, soil and water.

It grows best in full sun, in dry to average soil.

Sun

Sun6 hours or more
Part shade3–6 hours
Shadeunder 3 h

Soil

neutral to alkaline soil
acidicneutralalkaline
dry to averagegravellysandyloamy

Watering

drought tolerant once establisheddo not waterlogless when it rains

Frost

−93 °F
no winter protectiongreen in winter too

How much space it takes

Mature size.

The mature plant next to a person (69 in).

19¾ in3 ft 3⅜ in4 ft 11 in1 ft 11⅝ in–2 ft 11⅜ inspread 1 ft 7⅝ in–3 ft 3⅜ in
1 ft 11⅝ in–2 ft 11⅜ in× spread 1 ft 7⅝ in–3 ft 3⅜ in

Plant 22¾ in apart.

Reaches maturity in about 2–5 years. The final size depends on the cultivar and the spot — we give the range from smallest to largest.

Calendar

Through the year.

Typical for a temperate climate (four seasons). The line shows the current month.

The year at a glance

Planting: JanuaryPlanting: FebruaryPlanting: MarchPlanting: AprilPlanting: MayPlanting: JunePlanting: JulyPlanting: AugustPlanting: SeptemberPlanting: OctoberPlanting: NovemberPlanting: DecemberJanFebMarAprMayJunJulAugSepOctNovDec
Planting
Now, in October: a good time for planting (container plant).
JanFebMarAprMayJunJulAugSepOctNovDec

Planting

JanFebMarAprMayJunJulAugSepOctNovDec

container plant: March–April, September–October

What to plant now (October) full list in October (243) →

Feeding

Nutrition.

No feeding

Pests and diseases

Common problems and what to do.

The most common problems in Central Europe. Protection is listed from the gentlest option.

What you will see

Small orange-brown pustules on the underside of leaves. In warm, humid weather.

How to protect

  1. Prevention
    • Allow space and air flow; do not plant too densely.
    • Do not water the leaves; avoid prolonged wetness.
  2. By hand once noticedCut off and destroy affected leaves.
Rustsdisease

What you will see

Small orange-brown pustules on the underside of leaves. In warm, humid weather.

How to protect

  1. Prevention
    • Allow space and air flow; do not plant too densely.
    • Do not water the leaves; avoid prolonged wetness.
  2. By hand once noticedCut off and destroy affected leaves.
More about this problem
Sources (1)

What to combine it with

Same needs, different flowering.

They share the same sun and soil and flower in other months — so the bed flowers for longer.

common yarrow

common yarrow

1 ft 3¾ in–2 ft 7½ in
✓flowers June–September
✓lower — for the front
plains eryngo

plains eryngo

1 ft 11⅝ in–2 ft 11⅜ in
✓flowers June–September
✓lower — for the front
corn poppy

corn poppy

9 in–1 ft 5¾ in
✓flowers June–August
✓lower — for the front

Ready-made Studio combinations with this plant

Click a combination — the Studio opens a new raised garden bed with it already planted.

Gravel steppe — blue oat grassGravel steppe — Southern Globe ThistleGravel steppe — plains eryngoGravel steppe — showy stonecropGravel steppe — common houseleek
Gravel steppeBlue globe thistles and sea holly over gray grass and houseleeks — for the driest, hottest spot.Open in the Studio

Frequently asked

Quick answers.

Does blue oat grass tolerate shade?

No, it needs full sun.

How much space does blue oat grass need?

At maturity 1 ft 7⅝ in–3 ft 3⅜ in wide and 1 ft 11⅝ in–2 ft 11⅜ in tall; recommended spacing 22¾ in.

Rusts — what can you do?

Allow space and air flow; do not plant too densely. Cut off and destroy affected leaves.

Sources (22) Checked 28 September 2026

Similar plants

Have a look at these too.

prairie dropseed

Sporobolus heterolepis

1 ft 11⅝ in–2 ft 11⅜ in × 1 ft 11⅝ in–2 ft 11⅜ in
Low maintenancegrass
Design a bed with this plant in Studio