Pampas grass

Pampas grass (Cortaderia selloana)

Cortaderia selloana is the silver feather-plume grass for dramatic estate entries and resort photo backdrops — when the brief wants scale and movement at dusk. Leaf margins are razor-sharp, and seeding cultivars are invasive; BOQs should name sterile or female selections and set back from guest paths.

Spec

At a glance

Botanical name
Cortaderia selloana
Family
Poaceae
Type
Ornamental grass
Origin
South America (Pampas region)
Mature height & spread
Foliage mound 1.5–2 m; plumes to 3–4 m on mature plants
Plume / flower
Huge silver-white feather panicles autumn–winter
Foliage colour
Arching grey-green leaves — sharp edges
Evergreen / deciduous / annual
Evergreen in frost-free India; browns in hill frost
Growth rate
Moderate clump expansion — large over years
Light
Full sun for best plumes
Water
Moderate; tolerates dry once established
India climate suitability
Best in dry-summer belts and irrigated terraces; plumes weaker in humid shade
Hardiness
Heat OK; protect from salt spray on exposed marine decks
Invasiveness / containment
Seedy/invasive — specify sterile or female selections; avoid seeding males near open ground
Typical supply
Large pot clumps #15–#25 [Unverified]
Annual maintenance
Comb out old foliage annually; burn or cut plume stalks when spent
Cautions
Sharp leaf edges — safety setback; large footprint; invasive seed risk

Gallery

Specimen visual guide

Visual context for placement, scale, handling, and landscape integration.

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Where it's used in premium projects

Pampas anchors wedding lawns, vineyard-style resort drives, and sculpture gardens where a single silver plume catches low sun. Use as a focal trio, not a hedge — spread and leaf hazard make massing along paths a liability.

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Climate & site suitability in India

Plumes develop best with sun and seasonal dry-down; constant humid shade produces leafy mounds without feathers. Coastal Chennai needs wind-sheltered placement — plumes shred in cyclonic gusts. Hill stations can brown foliage — plan winter comb-out.

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Sourcing & acclimatisation

Name the cultivar on purchase orders — 'Pumila', sterile selections, or documented female lines. [Unverified: India-held vs imported clump sizes for selloana.] Reject pots with seeding male plumes adjacent to conservation buffers.

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Installation (planting, containment, drainage)

Set back minimum 1.5 m from guest paths and pool edges — leaf edges cut skin. Plant in drained berms; do not crowd irrigation emitters against the crown. If site policy bans seeding grasses, document sterile cultivar on compliance submittals.

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Establishment & AMC

AMC includes annual comb-through of dead leaves, late-winter cut-back of tired foliage mounds, and removal of spent plume stalks before monsoon wind. Scout for volunteer seedlings downwind in year two — invasive risk is a maintenance line item, not only a planting note.

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When do pampas plumes show in India?
Typically autumn into winter on mature sun-grown clumps — immature or shaded plants may stay leafy without feathers for seasons.
Why are leaf edges a safety issue?
Cortaderia leaves are razor-sharp — place off paths, train maintenance crews in PPE, and never use as edging along pool decks.
How do we reduce invasiveness risk?
Specify sterile or female selections, remove spent plumes before seed shed, and avoid planting seeding males near open ground or waterways.
Can pampas live on an irrigated terrace?
Yes with drainage and wind shelter — engineer pot weight and comb-out AMC; plumes shred in unsheltered high-rise gusts.
Is pampas a good hedge substitute?
No — spread, sharp leaves, and plume litter make it a focal specimen, not a guest-facing hedge.
What quarantine applies to pampas imports?
Grass clump imports need phytosanitary paperwork and quarantine inspection — cultivar name should match labels (informational, not legal advice).
How should pampas BOQs be compared?
Match clump diameter, sterile cultivar documentation, setback compliance, and plume cleanup AMC — not generic grass plugs.
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