North America Native Plant

Tracadigash Mountain Alkaligrass

Botanical name: Puccinellia laurentiana

USDA symbol: PULA3

Life cycle: perennial

Habit: grass

Native status: Native to the lower 48 states  

Synonyms: Phippsia laurentiana (Fernald & Weath.) Á. Löve & D. Löve (PHLA30)   

Tracadigash Mountain Alkaligrass: A Rare New England Native Worth Knowing If you’ve never heard of Tracadigash Mountain alkaligrass, you’re not alone! This tiny native grass (Puccinellia laurentiana) is one of New England’s best-kept botanical secrets. While it may not be the showstopper of your garden dreams, this humble perennial grass ...

Rare plant alert!

Region: Conservation status by state

Status: S3?Q: Status is uncertain but is somewhere between the following rankings: Inexact rank: ⚘ Uncertain taxonomy: ⚘ 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 ⚘

Tracadigash Mountain Alkaligrass: A Rare New England Native Worth Knowing

If you’ve never heard of Tracadigash Mountain alkaligrass, you’re not alone! This tiny native grass (Puccinellia laurentiana) is one of New England’s best-kept botanical secrets. While it may not be the showstopper of your garden dreams, this humble perennial grass has a fascinating story and plays an important role in our native ecosystems.

What Exactly Is Tracadigash Mountain Alkaligrass?

Tracadigash Mountain alkaligrass is a small, perennial grass native to the northeastern United States. As a graminoid, it belongs to the grass family and shares characteristics with other grasses, sedges, and rushes. Don’t let the name fool you – while it’s called alkaligrass, it’s perfectly at home in our region’s acidic soils when conditions are just right.

You might also see this plant referenced by its scientific synonym, Phippsia laurentiana, in older botanical references.

Where Does It Call Home?

This rare native has a very limited range, naturally occurring only in Maine and New Hampshire. It’s truly a New England specialty, adapted to the unique conditions found in high-elevation areas of these states.

The Rarity Factor: Why This Matters

Here’s where things get serious – Tracadigash Mountain alkaligrass has a Global Conservation Status of S3?Q, indicating it’s quite rare and potentially vulnerable. This means if you’re interested in growing this plant, you’ll need to be extra responsible about sourcing. Never collect plants from the wild, and only purchase from reputable nurseries that can guarantee their plants are ethically propagated.

Should You Grow Tracadigash Mountain Alkaligrass?

Let’s be honest – this isn’t a plant for every gardener or every garden. Here’s what you need to know:

The Challenges

  • Extremely limited availability due to rarity
  • Specialized growing requirements that can be difficult to replicate
  • Minimal ornamental value compared to other native grasses
  • Best suited for cool climates (USDA Zones 3-5)

When It Might Make Sense

  • You’re creating a specialized native plant collection
  • You have the perfect alpine or rock garden conditions
  • You’re passionate about conserving rare native species
  • You live in its native range and want to support local biodiversity

Growing Conditions and Care

If you do decide to take on the challenge of growing Tracadigash Mountain alkaligrass, here’s what this finicky little plant needs:

Ideal Growing Conditions

  • Soil: Well-draining, alkaline soils (despite thriving in naturally acidic regions)
  • Light: Full sun to partial shade
  • Temperature: Cool conditions; struggles in hot, humid weather
  • Moisture: Moderate moisture, but excellent drainage is crucial

Best Garden Settings

  • Rock gardens with excellent drainage
  • Alpine garden collections
  • Specialized native plant displays
  • Cool, mountainous landscapes

Wildlife and Ecological Benefits

While Tracadigash Mountain alkaligrass may not be a pollinator magnet (it’s wind-pollinated like most grasses), it still contributes to the ecosystem. Native grasses provide habitat for insects, nesting material for birds, and help prevent soil erosion in their natural alpine environments.

The Bottom Line

Tracadigash Mountain alkaligrass is more of a conservation curiosity than a practical garden choice for most gardeners. If you’re drawn to rare native plants and have the specific conditions this grass requires, it could be a meaningful addition to a specialized collection. However, most gardeners will find greater success and satisfaction with other native New England grasses that are easier to grow and more readily available.

If you’re interested in supporting native plant conservation, consider donating to organizations working to protect rare species in their natural habitats, or focus on growing other native grasses that are better suited to cultivation and offer similar ecological benefits.

Remember, sometimes the best way to appreciate a rare plant is to admire it in its natural habitat while supporting conservation efforts that ensure future generations can do the same.

Tracadigash Mountain Alkaligrass

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

Puccinellia Parl. - alkaligrass

Species

Puccinellia laurentiana Fernald & Weath. - Tracadigash Mountain alkaligrass

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