North America Non-native Plant

Peruvian Feathergrass

Botanical name: Stipa ichu

USDA symbol: STIC

Habit: grass

Native status: Not native but doesn't reproduce and persist in the wild

Peruvian Feathergrass: A High-Altitude Beauty for Your Garden Looking to add some Andean flair to your landscape? Meet Peruvian feathergrass (Stipa ichu), a graceful ornamental grass that brings the wild beauty of South American mountain grasslands right to your backyard. This distinctive bunch grass might just be the perfect addition ...

Peruvian Feathergrass: A High-Altitude Beauty for Your Garden

Looking to add some Andean flair to your landscape? Meet Peruvian feathergrass (Stipa ichu), a graceful ornamental grass that brings the wild beauty of South American mountain grasslands right to your backyard. This distinctive bunch grass might just be the perfect addition for gardeners seeking something a little different from the usual suspects.

What Makes Peruvian Feathergrass Special?

Peruvian feathergrass is a true mountain dweller, hailing from the high-altitude puna grasslands of the Andes Mountains. You’ll find this hardy grass naturally growing in Peru, Bolivia, Ecuador, and northern Chile, typically at breathtaking elevations between 11,500 and 14,800 feet above sea level. Talk about a plant that’s used to tough conditions!

This graminoid (that’s botanist-speak for grass-like plant) forms attractive clumps of fine-textured foliage topped with delicate, feathery seed heads that dance beautifully in the breeze. It’s the kind of plant that adds both texture and movement to your garden, creating visual interest throughout the growing season.

Where Does Peruvian Feathergrass Shine in the Garden?

If you’re working with challenging growing conditions, Peruvian feathergrass might be your new best friend. This adaptable grass excels in:

  • Rock gardens and alpine plantings
  • Xeriscapes and drought-tolerant landscapes
  • Naturalistic garden designs
  • High-altitude or mountainous properties
  • Areas with poor, rocky, or sandy soils

While it’s not a major pollinator magnet (being wind-pollinated and all), Peruvian feathergrass still contributes to wildlife habitat by providing nesting materials for birds and shelter for small creatures. Sometimes the supporting cast members make all the difference!

Growing Peruvian Feathergrass Successfully

The good news? This mountain native is surprisingly adaptable to lower elevations, thriving in USDA hardiness zones 6 through 9, and possibly even zone 5 with some winter protection.

Ideal Growing Conditions

Give your Peruvian feathergrass what it craves:

  • Sunlight: Full sun is essential for best growth and flowering
  • Soil: Well-draining is key – rocky, sandy, or gravelly soils are perfect
  • Water: Drought-tolerant once established, but appreciates occasional deep watering during dry spells
  • Space: Allow room for the grass to form its natural clumping habit

Planting and Care Tips

Getting started with Peruvian feathergrass is refreshingly straightforward:

  • Plant in spring after the last frost date
  • Start from seed (patience required!) or purchase established plants
  • Space plants 18-24 inches apart to allow for mature size
  • Water regularly the first growing season to establish roots
  • Cut back old foliage in late winter or early spring before new growth emerges
  • Minimal fertilization needed – this grass actually prefers lean soils

Is Peruvian Feathergrass Right for Your Garden?

This distinctive grass works best for gardeners who appreciate low-maintenance plants with unique character. If you’re dealing with challenging growing conditions like poor soil, drought, or high altitude locations, Peruvian feathergrass could be an excellent choice.

However, since this isn’t a native plant for most North American gardens, you might also consider exploring native grass alternatives that offer similar aesthetic appeal while supporting local ecosystems. Your local native plant society or extension office can help you identify beautiful native grasses suited to your specific region.

Whether you choose Peruvian feathergrass or a native alternative, ornamental grasses like these add wonderful texture, movement, and year-round interest to any landscape. Sometimes the most rewarding plants are the ones that remind us of wild, beautiful places – even if they’re thousands of miles away!

Peruvian Feathergrass

Classification

Group

Monocot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Liliopsida - Monocotyledons

Subclass

Commelinidae

Order

Cyperales

Family

Poaceae Barnhart - Grass family

Genus

Stipa L.

Species

Stipa ichu (Ruiz & Pav.) Kunth - Peruvian feathergrass

Plant data source: USDA, NRCS 2025. The PLANTS Database. https://plants.usda.gov,. 2/25/2025. National Plant Data Team, Greensboro, NC USA