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Home/Arizona Plant & Tree Guide/Purple Fountain Grass
Purple Fountain Grass (Pennisetum setaceum rubrum)
Grass

Purple Fountain Grass

Pennisetum setaceum rubrum

Burgundy foliage with arching purple plumes — modern desert favorite (sterile cultivar recommended).

Needs AE Review

Color BoostModern DesertClean Look

Forest & Kim Starr / Wikimedia Commons / CC BY 3.0license

Irrigation Zone
Low-water shrubs

Schedule: Weekly to twice-weekly in summer, less in cooler months.

Emitters: 1–2 emitters per shrub adjusted seasonally.

Most desert-adapted shrubs prefer drying out between waterings.

Reflected Heat & Microclimate
Good with placement

Arizona yards have very different microclimates. West-facing walls, glass, artificial turf, pavers, travertine, porcelain, and pool decking all increase reflected heat. AE considers these before confirming placement.

Root & Infrastructure
Concern level: Low
  • Low root impact

AE verifies pool deck, paver, foundation, wall, and utility clearances before final planting.

Quick Facts

Plant type
Grass
Mature size
Varies — AE will confirm during design.
Sun
Full sun
Water use
Low
Evergreen / Deciduous
Evergreen
Thorns / spines
None
Litter level
Low
Pool area
Good with placement
Pet/kid placement
Good
Maintenance
Low
Privacy value
Low
Shade value
Low
Native
Desert-adapted

About Purple Fountain Grass

Starter entry. Final mature size, water use, frost sensitivity, and pool placement will be confirmed by AE during design.

Best uses: Modern desert designs, pool surrounds, contrast against gravel

AE Designer Opinion

AE Designer Opinion: Pending AE review. Final recommendation will be confirmed based on site conditions, irrigation, and overall design.

Design Uses

  • Will be confirmed by AE based on site conditions

Care & Maintenance

  • Final care plan confirmed by AE during design

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