North America Native Plant

Wyoming Flax

Botanical name: Linum compactum

USDA symbol: LICO3

Life cycle: annual

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Cathartolinum compactum (A. Nelson) Small (CACO46)  âš˜  Linum rigidum Pursh var. compactum (A. Nelson) C.M. Rogers (LIRIC)   

Wyoming Flax: A Prairie Gem for Low-Maintenance Gardens If you’re looking for a native wildflower that practically grows itself while supporting local pollinators, Wyoming flax might just be your new garden favorite. This charming little annual brings a splash of true blue to prairie gardens and naturalized landscapes across much ...

Wyoming Flax: A Prairie Gem for Low-Maintenance Gardens

If you’re looking for a native wildflower that practically grows itself while supporting local pollinators, Wyoming flax might just be your new garden favorite. This charming little annual brings a splash of true blue to prairie gardens and naturalized landscapes across much of the American West and Great Plains.

What is Wyoming Flax?

Wyoming flax (Linum compactum) is a delicate annual forb that belongs to the flax family. Don’t let its modest size fool you – this hardy native packs a punch when it comes to both beauty and ecological value. As an herbaceous plant without woody stems, it completes its entire life cycle in a single growing season, but don’t worry about replanting – it’s quite good at reseeding itself!

Where Does Wyoming Flax Call Home?

This prairie native has quite an impressive range across the lower 48 states. You’ll find Wyoming flax growing naturally in Colorado, Illinois, Kansas, Missouri, Montana, Nebraska, New Mexico, North Dakota, Oklahoma, South Dakota, Texas, and of course, Wyoming. It’s perfectly adapted to the sometimes harsh conditions of the Great Plains and western grasslands.

Why Your Garden Will Love Wyoming Flax

There are plenty of reasons to fall for this unassuming native:

  • Gorgeous blue blooms: The small, five-petaled flowers are a true blue color that’s surprisingly rare in the plant world
  • Pollinator magnet: Native bees, butterflies, and other beneficial insects can’t resist those blue flowers
  • Drought warrior: Once established, it handles dry conditions like a champ
  • Low maintenance: This is definitely a plant it and forget it kind of flower
  • Self-seeding: It’ll come back year after year without any help from you

Perfect Garden Roles for Wyoming Flax

Wyoming flax shines brightest when you let it be itself – a prairie wildflower. It’s absolutely perfect for:

  • Native plant gardens and prairies
  • Wildflower meadows
  • Xeriscaping and drought-tolerant landscapes
  • Natural areas where you want minimal intervention
  • Ground cover in sunny, well-draining spots

While it might get lost in a formal flower border, it truly comes alive when planted in drifts or allowed to naturalize in larger spaces.

Growing Wyoming Flax Successfully

The beauty of Wyoming flax lies in its simplicity. Here’s how to grow this prairie native:

Light and Location: Give it full sun – this prairie plant needs at least 6 hours of direct sunlight daily to thrive.

Soil Needs: Well-draining soil is non-negotiable. Sandy or rocky soils are actually preferred, and it handles poor soils better than rich, fertile ones. If your soil holds water, consider adding sand or planting on a slope.

Hardiness: Hardy in USDA zones 3-8, though as an annual, cold tolerance is less critical than for perennials.

Water Requirements: Once established, Wyoming flax is remarkably drought-tolerant. Water sparingly – overwatering is more likely to cause problems than underwatering.

Planting and Care Tips

When to Plant: Direct seed in fall for spring germination, or plant in early spring after the last frost. Fall seeding often gives better germination rates.

Seeding: Simply scatter seeds on prepared soil and lightly rake in. No need to bury them deeply – light coverage is sufficient.

Spacing: Let nature decide! When broadcasting seeds, they’ll naturally space themselves appropriately.

Ongoing Care: Here’s the best part – there’s almost no ongoing care required. Avoid fertilizing (it prefers lean soils) and resist the urge to overwater. Let the plants go to seed at the end of the season to ensure next year’s display.

The Bottom Line

Wyoming flax is an excellent choice for gardeners who appreciate native plants, want to support local ecosystems, and prefer low-maintenance beauty. While it may not provide the bold statement of showier annuals, its delicate blue flowers and ecological benefits make it a worthy addition to any naturalistic garden. Plus, once you establish it, you’ll likely have it returning year after year with zero effort on your part – now that’s what we call a gardening win!

Wyoming 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 compactum A. Nelson - Wyoming flax

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