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Raised bed I – solid 60 mm European larchRaised bed IRaised bedsRaised bed L – solid 60 mm European larchRaised bed LRaised bedsRaised bed U – solid 60 mm European larchRaised bed URaised bedsBed I with bench – solid 60 mm European larchBed I with benchRaised bedsBed L with bench – solid 60 mm European larchBed L with benchRaised bedsSolid bench – solid 60 mm European larchSolid benchSeatingPedestal bench – solid 60 mm European larchPedestal benchSeatingBench with planter – solid 60 mm European larchBench with planterSeatingGarden table – solid 60 mm European larchGarden tableSeatingTable and two benches – solid 60 mm European larchTable and two benchesSeatingSandbox with seating – solid 60 mm European larchSandbox with seatingFor kidsGarden steps – solid 60 mm European larchGarden stepsSlope & terrace

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Brick Premium bedsSeatingKids’ cornerSlope & terraceCustom-size bedLow wall & slopeBed for the patio

Grass · Poaceae family

Blackwell Switch Grass

Panicum virgatum

Full sun to part shade 0.9–2.1 m × 0.6–0.9 m to −29 °C

In short a 10-second read

SunFull sun to part shade
Size0.9–2.1 m
spacing 58 cm
PlantingApril–May
WinterNo winter protection

Where to plant and how much to water

Sun, soil and water.

It grows best in full sun to part shade, in soil from dry to moist.

Sun

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

Soil

tolerates any pH
acidicneutralalkaline
dry to moistloamysandyclay

Watering

keep the soil evenly moistonly in dry spellsless when it rains

Frost

−29 °C
no winter protectiondies back in winter, regrows in spring

How much space it takes

Mature size.

The mature plant next to a person (175 cm).

1 m2 m0.9–2.1 mspread 0.6–0.9 m
0.9–2.1 m× spread 0.6–0.9 m

Plant 58 cm 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.

Months for Central Europe. 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: nothing to do — the next job is in April.
JanFebMarAprMayJunJulAugSepOctNovDec

Planting

JanFebMarAprMayJunJulAugSepOctNovDec

container plant: April–May

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.

Switchgrass rust

Puccinia emaculata
disease

What you will see

Orange-brown pustules on the leaves.

How to protect

  1. Prevention
    • More resistant cultivars (ornamental ones have fewer pustules).
    • Airy planting.
  2. By hand once noticedRemove and destroy affected leaves.
Switchgrass rustdisease

What you will see

Orange-brown pustules on the leaves.

How to protect

  1. Prevention
    • More resistant cultivars (ornamental ones have fewer pustules).
    • Airy planting.
  2. By hand once noticedRemove and destroy affected leaves.
Sources (2)

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.

smooth hydrangea

smooth hydrangea

0.9–2.5 m
✓flowers June–September
✓taller — for the back
bigleaf lupine

bigleaf lupine

1–1.5 m
✓flowers May–July
✓lower — for the front
gaura

gaura

0.9–1.5 m
✓flowers June–October
✓lower — for the front

Frequently asked

Quick answers.

Does Blackwell Switch Grass tolerate shade?

It tolerates part shade (3–6 hours of sun), but not full shade.

How much space does Blackwell Switch Grass need?

At maturity 0.6–0.9 m wide and 0.9–2.1 m tall; recommended spacing 58 cm.

Switchgrass rust — what can you do?

More resistant cultivars (ornamental ones have fewer pustules). Remove and destroy affected leaves.

Sources (24) Checked 24 October 2026

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