Ruby grass

Ruby grass (Melinis nerviglumis)

Melinis nerviglumis is the low ruby-pink fluffy plume grass for edging and mass drifts where designers want jewel-tone movement at knee height — blue-green foliage with cloud-like inflorescences. Treat it as a short-lived tender clump in many Indian climates: drainage, sun, and planned replanting keep the effect honest.

Spec

At a glance

Botanical name
Melinis nerviglumis
Family
Poaceae
Type
Ornamental grass
Origin
Tropical and subtropical Africa
Mature height & spread
30–50 cm tall × 40–60 cm spread
Plume / flower
Pink-ruby fluffy panicles summer–autumn
Foliage colour
Blue-green fine leaves
Evergreen / deciduous / annual
Evergreen in frost-free lowlands; may die back in hills
Growth rate
Fast first season; clumps decline after 2–3 years without division
Light
Full sun for strongest ruby colour
Water
Low to moderate; sensitive to wet crowns
India climate suitability
Best in dry-winter belts; tender in hill frost; needs drainage in humid monsoon
Hardiness
Heat OK; cold and wet together kill clumps
Invasiveness / containment
Low clump — not running; reseeding minor with deadheading
Typical supply
Plugs and #1–#3 pots [Unverified]
Annual maintenance
Annual cut-back in late winter; divide or replant tired centres
Cautions
Short-lived/tender; drainage mandatory; ruby colour fades in shade

Gallery

Specimen visual guide

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

Section

Where it's used in premium projects

Ruby grass masses at rooftop bars, vineyard rows, and resort path edges where pink plumes catch sunset — work in odd-number drifts (5/7/9) not single soldiers. Pair with silver foliage for contrast; avoid tree root competition without irrigation.

Section

Climate & site suitability in India

Full sun builds ruby tone; shade turns plants green and floppy. Monsoon crown rot is the common kill — gritty raised beds fix most failures. Hill frost browns clumps — budget replanting or protect with fleece in Ooty-style sites.

Section

Sourcing & acclimatisation

Order plug trays for massing or larger pots for instant edge — confirm species, not generic pink grass mixes. [Unverified: India plug production lead times.]

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Installation (planting, containment, drainage)

Mass on 25–35 cm centres in gritty loam; crown slightly proud on terraces. Integrate drip for establishment only, then reduce. Do not plant in lawn irrigation zones that stay wet overnight.

Section

Establishment & AMC

Late-winter cut-back to 8–10 cm refreshes foliage before ruby plumes return. Replace hollow centres rather than fighting decline — AMC should flag tired clumps in year three. Light grooming removes spent plumes without shearing into crown.

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What makes ruby grass distinctive?
Low blue-green clumps with fluffy pink-ruby panicles in sun — a knee-height jewel grass for massing, not screening.
How long do Melinis clumps last in India?
Often 2–3 seasons of peak effect before centres thin — plan division or replanting in AMC, especially in humid sites.
Can ruby grass edge a resort path?
Yes in sun with drainage — mass in drifts and cut back annually; avoid wet lawn irrigation at crowns.
Why did plumes turn greenish?
Shade or excess nitrogen — move to full sun and reduce feed to restore ruby tone.
Is ruby grass invasive?
Clumping with minor reseeding — deadhead if policy requires; not a rhizome runner like giant reed.
What compliance applies to ruby grass plugs?
Domestic plug trays are standard nursery stock; imported lots still need phytosanitary documentation (informational, not legal advice).
How should massing BOQs be priced?
Price plug count, gritty bed prep, annual cut-back, and year-three replant allowance — not single-specimen tree rates.
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