North America Native Plant

Woolly Hawkweed

Botanical name: Hieracium triste var. fulvum

USDA symbol: HITRF

Life cycle: perennial

Habit: forb

Native status: Native to Alaska  

Woolly Hawkweed: A Rare Arctic Treasure for Specialized Gardens If you’re drawn to rare and unusual native plants, you might have stumbled across woolly hawkweed (Hieracium triste var. fulvum) in your research. This intriguing perennial forb represents one of nature’s more elusive botanical treasures, but before you start planning where ...

Rare plant alert!

Region: Conservation status by state

Status: S5T1T3Q: Status is uncertain but is somewhere between the following rankings: Uncertain taxonomy: ⚘ Subspecies or variety is critically Imperiled: Extremely rare due to factor(s) making it especially vulnerable to extinction. Typically 5 or fewer occurrences or very few remaining individuals (<1,000) ⚘ Subspecies or variety is 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. ⚘ Secure: At very low or no risk of extinction in the jurisdiction due to a very extensive range, abundant populations or occurrences, with little to no concern from declines or threats. ⚘

Woolly Hawkweed: A Rare Arctic Treasure for Specialized Gardens

If you’re drawn to rare and unusual native plants, you might have stumbled across woolly hawkweed (Hieracium triste var. fulvum) in your research. This intriguing perennial forb represents one of nature’s more elusive botanical treasures, but before you start planning where to plant it, there are some important things you should know about this uncommon Arctic species.

What Makes Woolly Hawkweed Special

Woolly hawkweed is a perennial herbaceous plant—what botanists call a forb—meaning it lacks woody stems but returns year after year from its root system. True to its name, this plant likely features the fuzzy, woolly foliage characteristic of many hawkweeds, an adaptation that helps it survive in harsh northern climates.

As a member of the hawkweed family, it probably produces the typical bright yellow, dandelion-like flowers that make these plants recognizable, though specific details about this variety’s appearance are limited due to its rarity.

Where Woolly Hawkweed Calls Home

This native plant has a very restricted range, found only in Alaska’s challenging Arctic and subarctic environments. It’s perfectly adapted to these extreme conditions, thriving where many other plants simply can’t survive.

The Rarity Factor: Why You Should Think Twice

Here’s where things get serious: woolly hawkweed has a conservation status of S5T1T3Q, indicating significant rarity concerns. This means that in the wild, this plant faces various conservation challenges, and its populations may be limited or vulnerable.

What this means for gardeners:

  • This plant should only be grown using responsibly and ethically sourced material
  • Never collect seeds or plants from wild populations
  • Consider whether growing this rare species is appropriate for your garden goals
  • Explore more common native alternatives that can provide similar garden benefits

Growing Conditions and Care

Given its Alaska origins, woolly hawkweed would likely thrive in USDA hardiness zones 1-4, making it suitable only for gardeners in the coldest regions. It would probably prefer:

  • Well-draining soils (essential for preventing root rot)
  • Full to partial sun exposure
  • Cool, moist conditions similar to its native habitat
  • Protection from extreme heat and humidity

However, specific growing requirements and care instructions are poorly documented due to this plant’s rarity and limited cultivation history.

Garden Role and Design Considerations

If you were able to source this plant responsibly, woolly hawkweed would be best suited for:

  • Specialized alpine or Arctic plant collections
  • Rock gardens designed for cold-climate plants
  • Native plant gardens focused on Alaska species
  • Educational or botanical garden settings

It would likely remain relatively small and low-growing, making it suitable for front-of-border plantings or as a specimen in container gardens.

Wildlife and Pollinator Benefits

While specific information about this variety’s wildlife benefits is limited, hawkweeds generally provide nectar for small pollinators like native bees and beneficial insects. In its native Alaska habitat, it likely plays a role in supporting local pollinator communities adapted to Arctic conditions.

Should You Grow Woolly Hawkweed?

For most gardeners, the answer is probably no—and that’s okay! The combination of this plant’s rarity, limited availability, specific growing requirements, and restricted hardiness range makes it unsuitable for most garden situations.

Consider these alternatives instead:

  • Other native hawkweeds that are more readily available
  • Native Arctic or alpine plants suited to your specific region
  • Common native wildflowers that provide similar pollinator benefits

The Bottom Line

Woolly hawkweed represents the fascinating diversity of our native flora, but it’s best appreciated in its natural habitat or in specialized botanical collections. For home gardeners, focusing on more common native plants will give you better results while still supporting local ecosystems.

If you’re passionate about rare plants and have the expertise to grow them responsibly, make sure any woolly hawkweed you acquire comes from legitimate, sustainable sources—never from wild collection. Remember, sometimes the best way to love a rare plant is to leave it where it belongs: thriving in its native home.

Woolly Hawkweed

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Asteridae

Order

Asterales

Family

Asteraceae Bercht. & J. Presl - Aster family

Genus

Hieracium L. - hawkweed

Species

Hieracium triste Willd. ex Spreng. - woolly hawkweed

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