North America Native Plant

Leafy Reedgrass

Botanical name: Calamagrostis foliosa

USDA symbol: CAFO

Life cycle: perennial

Habit: grass

Native status: Native to the lower 48 states  

Leafy Reedgrass: A Rare California Native Worth Growing Responsibly If you’re passionate about California native plants and want to support biodiversity in your garden, leafy reedgrass (Calamagrostis foliosa) might just be the perfect addition to your landscape. This delicate perennial grass brings subtle beauty and ecological value to gardens while ...

Rare plant alert!

Region: Conservation status by state

Status: S3: Status is uncertain but is somewhere between the following rankings: Vulnerable: Either very rare and local throughout its range, found only in a restricted range (even if abundant at some locations), or factors are making it vulnerable to extinction. Typically 21 to 100 occurrences or between 3,000 and 10,000 individuals ⚘

Leafy Reedgrass: A Rare California Native Worth Growing Responsibly

If you’re passionate about California native plants and want to support biodiversity in your garden, leafy reedgrass (Calamagrostis foliosa) might just be the perfect addition to your landscape. This delicate perennial grass brings subtle beauty and ecological value to gardens while supporting the conservation of a vulnerable native species.

What Makes Leafy Reedgrass Special?

Leafy reedgrass is a true California endemic, meaning it grows naturally nowhere else in the world except the Golden State. This graceful perennial grass creates an airy, naturalistic appearance in the garden with its narrow leaves and delicate seed heads that dance in the coastal breeze.

As a member of the grass family (graminoids), leafy reedgrass has that classic grass-like growth habit that adds texture and movement to native plant gardens. It’s particularly well-suited to California’s unique coastal climate, where it thrives in the cool, foggy conditions that many other grasses can’t handle.

Where Does Leafy Reedgrass Grow?

This beautiful grass is found exclusively in California, where it has adapted to the state’s distinctive coastal and fog belt regions. Its limited natural range makes it a true treasure of California’s native plant heritage.

Important Conservation Note

Before you rush out to plant leafy reedgrass, there’s something important you need to know: this species is considered vulnerable to extinction. With a Global Conservation Status of S3, leafy reedgrass has only 21 to 100 known occurrences and between 3,000 and 10,000 individuals in the wild. This makes it quite rare!

While we absolutely encourage growing this beautiful native grass, it’s crucial that you source your plants responsibly. Only purchase from reputable native plant nurseries that propagate their own plants rather than collecting from wild populations. Never collect seeds or plants from natural areas.

Why Grow Leafy Reedgrass?

There are several compelling reasons to include this rare beauty in your California native garden:

  • Conservation impact: Growing leafy reedgrass in gardens helps preserve the species and reduces pressure on wild populations
  • Wildlife support: The seeds provide food for small birds, and the grass structure offers nesting material
  • Low maintenance: Once established, it’s quite drought tolerant and requires minimal care
  • Aesthetic appeal: Its delicate, arching form adds graceful movement and texture to plantings
  • Erosion control: Excellent for stabilizing slopes and preventing soil erosion

Perfect Garden Settings

Leafy reedgrass shines in several types of landscapes:

  • California native plant gardens
  • Coastal and fog belt gardens
  • Wildlife habitat gardens
  • Low-water or drought-tolerant landscapes
  • Naturalistic plantings and meadow gardens
  • Slope stabilization projects

Growing Conditions and Care

The good news is that leafy reedgrass is relatively easy to grow once you understand its preferences. This hardy perennial thrives in USDA hardiness zones 8-10, which covers most of California’s coastal regions.

Soil requirements: Leafy reedgrass is quite adaptable when it comes to soil. It prefers well-draining conditions but can tolerate poor soils that might challenge other plants. Just avoid waterlogged conditions, as this can lead to root problems.

Light and water: This grass does best with some coastal influence – it loves those cool, foggy conditions that are so characteristic of California’s coast. While drought tolerant once established, it appreciates occasional deep watering during dry periods. Don’t be alarmed if it goes dormant during hot summer weather; this is completely normal.

Planting and Care Tips

Getting leafy reedgrass established in your garden is straightforward with these tips:

  • Planting time: Fall is ideal for planting, allowing roots to establish during the cool, wet season
  • Spacing: Give plants adequate room to spread and show off their graceful form
  • Watering: Water regularly the first year to help establishment, then reduce frequency
  • Maintenance: Minimal pruning needed – you can cut back old growth in late winter if desired
  • Fertilizing: Generally unnecessary; this grass thrives in lean soils

Supporting a Rare Species

By choosing to grow leafy reedgrass in your garden, you’re not just adding a beautiful plant to your landscape – you’re participating in conservation. Every responsibly grown plant helps ensure that this vulnerable species has a secure future.

Remember to always purchase from reputable sources that propagate their own plants, and consider sharing seeds or divisions with other gardeners to help spread this wonderful grass responsibly. Together, we can help ensure that leafy reedgrass continues to grace California’s landscapes for generations to come.

Whether you’re creating a wildlife habitat, designing a water-wise garden, or simply want to support California’s rare native plants, leafy reedgrass offers beauty, ecological value, and the satisfaction of growing something truly special and rare.

Leafy Reedgrass

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

Calamagrostis Adans. - reedgrass

Species

Calamagrostis foliosa Kearney - leafy reedgrass

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