North America Native Plant

Allen Springs Dwarf-flax

Botanical name: Hesperolinon clevelandii

USDA symbol: HECL3

Life cycle: annual

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Linum clevelandii Greene (LICL2)  âš˜  Linum clevelandii Greene var. petrophilum Jeps. (LICLP)   

Allen Springs Dwarf-Flax: A Rare California Gem for Specialized Gardens Meet Allen Springs dwarf-flax (Hesperolinon clevelandii), a petite California native that’s as specialized as it is charming. This little annual herb might not be the showiest plant in the garden, but it’s got character—and a very particular set of needs ...

Rare plant alert!

Region: Conservation status by state

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

Allen Springs Dwarf-Flax: A Rare California Gem for Specialized Gardens

Meet Allen Springs dwarf-flax (Hesperolinon clevelandii), a petite California native that’s as specialized as it is charming. This little annual herb might not be the showiest plant in the garden, but it’s got character—and a very particular set of needs that make it a fascinating choice for dedicated native plant enthusiasts.

What Makes This Plant Special

Allen Springs dwarf-flax is what botanists call a forb—essentially a non-woody flowering plant that completes its entire life cycle in just one year. Standing modest in stature, this delicate annual produces small white to pale pink flowers that measure just 6-8 millimeters across. While tiny, these blooms have a simple elegance that’s perfectly suited to California’s natural landscapes.

You might also see this plant listed under its former scientific names, including Linum clevelandii, but today it’s properly known as Hesperolinon clevelandii.

Where It Calls Home

This is a true California exclusive—you won’t find Allen Springs dwarf-flax growing wild anywhere else in the world. It’s endemic to the Golden State, specifically favoring the serpentine soils of the North Coast Ranges. This narrow distribution makes it a genuine regional treasure.

The Reality Check: Should You Grow It?

Here’s where we need to have an honest conversation. Allen Springs dwarf-flax has a Global Conservation Status of S3?, indicating it’s quite rare in the wild. If you’re considering adding this plant to your garden, you absolutely must source it responsibly—never collect from wild populations, and only purchase from reputable native plant nurseries that propagate their own stock.

That said, this isn’t a plant for everyone or every garden. It’s best suited for:

  • Specialized native plant collections
  • Botanical gardens with California native sections
  • Rock gardens with mineral-rich soils
  • Restoration projects in appropriate habitats

Growing Conditions and Care

Allen Springs dwarf-flax is definitely a specialist. In the wild, it thrives in serpentine soils—those mineral-rich, challenging growing conditions that many plants can’t handle. For home gardeners, this translates to some specific requirements:

  • Soil: Well-draining, mineral-rich soil; can tolerate poor, rocky conditions
  • Sun exposure: Full sun to partial shade
  • Water: Minimal water needs after establishment; adapted to Mediterranean climate patterns
  • Climate zones: USDA zones 9-10 (based on its natural California coastal range habitat)

Planting and Maintenance Tips

Since this is an annual, you’ll be working with seeds rather than transplants. The best approach is direct seeding in fall, which allows the seeds to experience the natural winter chill they need. Once established, Allen Springs dwarf-flax requires very little maintenance—it’s adapted to survive on minimal resources.

The key to success is mimicking its natural habitat conditions: excellent drainage and lean soils. Avoid rich, heavily fertilized garden beds, as these conditions are likely to stress rather than help this specialized plant.

Wildlife and Pollinator Benefits

While small, the flowers of Allen Springs dwarf-flax do attract native pollinators, particularly small native bees and other tiny beneficial insects. As part of California’s native flora, it contributes to the complex web of relationships that support local ecosystems.

The Bottom Line

Allen Springs dwarf-flax is a plant for the true native plant connoisseur—someone who appreciates subtle beauty and enjoys the challenge of growing specialized species. It’s not going to provide masses of color or dramatic garden impact, but it offers something perhaps more valuable: a direct connection to California’s unique botanical heritage.

If you decide to grow it, do so thoughtfully and responsibly. Source your seeds from reputable suppliers, provide the specialized conditions it needs, and consider it part of a broader commitment to preserving California’s remarkable native plant diversity.

Allen Springs Dwarf-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

Hesperolinon (A. Gray) Small - dwarf-flax

Species

Hesperolinon clevelandii (Greene) Small - Allen Springs dwarf-flax

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