North America Native Plant

West’s Flax

Botanical name: Linum westii

USDA symbol: LIWE

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

West’s Flax: A Rare Florida Native Worth Protecting If you’re passionate about Florida’s native plants and wetland conservation, you’ve probably never heard of West’s flax (Linum westii) – and there’s a good reason for that. This little-known perennial is one of Florida’s botanical treasures, but it’s also one of its ...

Rare plant alert!

Region: Conservation status by state

Status: S2: Status is uncertain but is somewhere between the following rankings: Imperiled: Extremely rare due to factor(s) making it especially vulnerable to extinction. Typically 6 to 20 occurrences or few remaining individuals (1,000 to 3,000) ⚘

West’s Flax: A Rare Florida Native Worth Protecting

If you’re passionate about Florida’s native plants and wetland conservation, you’ve probably never heard of West’s flax (Linum westii) – and there’s a good reason for that. This little-known perennial is one of Florida’s botanical treasures, but it’s also one of its rarest gems.

What Makes West’s Flax Special?

West’s flax is a delicate herbaceous perennial that belongs to the flax family. Unlike its more famous cousin used for making linen, this native Florida species has adapted to life in wetlands. As a forb, it’s a non-woody plant that dies back to ground level but returns year after year from its root system.

The plant produces small, characteristic blue flowers that are typical of the flax family, creating a subtle but charming display in its natural wetland habitat.

Where Does West’s Flax Call Home?

This rare beauty is found exclusively in Florida, making it what botanists call an endemic species. Its entire world range is limited to just a handful of locations within the Sunshine State, primarily in wetland areas.

A Plant in Peril

Here’s the important part: West’s flax is considered imperiled, with a conservation status of S2. This means there are likely only 6 to 20 known populations left in existence, with perhaps only 1,000 to 3,000 individual plants remaining in the wild. That makes this species incredibly vulnerable to extinction.

Growing West’s Flax: Proceed with Caution and Care

Before we talk about growing this plant, let’s be clear: if you’re interested in cultivating West’s flax, you must source it responsibly. Never collect plants or seeds from wild populations – this could push an already vulnerable species closer to extinction.

Habitat Requirements

West’s flax is what wetland scientists call an obligate wetland plant, meaning it almost always grows in wet conditions. In your garden, this translates to some pretty specific requirements:

  • Moisture: Consistently wet to saturated soils
  • Light: Full sun to partial shade
  • Climate: USDA Hardiness Zones 8-10
  • Soil type: Acidic, organic-rich wetland soils

Is West’s Flax Right for Your Garden?

Honestly? Probably not for most home gardeners. This specialized wetland plant requires very specific conditions that are difficult to replicate outside of natural wetland environments. It’s best suited for:

  • Wetland restoration projects
  • Specialized bog or wetland gardens
  • Conservation-focused native plant collections
  • Educational botanical gardens

Wildlife and Pollinator Benefits

While specific studies on West’s flax are limited due to its rarity, plants in the flax family typically attract small native bees, butterflies, and other pollinators. In its wetland habitat, it likely plays a role in supporting the broader ecosystem of Florida’s threatened wetland communities.

Better Alternatives for Home Gardeners

If you’re inspired by West’s flax but want something more practical for your Florida garden, consider these native alternatives that also support pollinators:

  • Blue flag iris (Iris virginica) for wet areas
  • Swamp sunflower (Helianthus angustifolius) for moist soils
  • Spider lily (Hymenocallis latifolia) for pond edges

The Bottom Line

West’s flax represents the incredible but fragile diversity of Florida’s native plant communities. While it may not be suitable for most home gardens, learning about rare species like this one helps us appreciate the importance of protecting the wild spaces where they still survive. If you encounter this plant in nature, consider yourself incredibly lucky – and please leave it undisturbed for future generations to discover.

Sometimes the best way to grow a rare native plant is to support the conservation of its natural habitat. Consider volunteering with local wetland restoration projects or supporting organizations working to protect Florida’s remaining natural areas.

West’s Flax

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Rosidae

Order

Linales

Family

Linaceae DC. ex Perleb - Flax family

Genus

Linum L. - flax

Species

Linum westii C.M. Rogers - West's flax

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