North America Native Plant

Scouler’s Woollyweed

Botanical name: Hieracium scouleri var. albertinum

USDA symbol: HISCA

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Hieracium albertinum Farr (HIAL)  âš˜  Hieracium cusickii Gandog. (HICU2)  âš˜  Hieracium flettii H. St. John & Warren (HIFL5)   

Scouler’s Woollyweed: A Hardy Native Wildflower for Northwestern Gardens If you’re looking for a low-maintenance native wildflower that can handle tough conditions while adding charm to your garden, meet Scouler’s woollyweed (Hieracium scouleri var. albertinum). This delightful little perennial might not have the flashiest name, but it’s got character in ...

Scouler’s Woollyweed: A Hardy Native Wildflower for Northwestern Gardens

If you’re looking for a low-maintenance native wildflower that can handle tough conditions while adding charm to your garden, meet Scouler’s woollyweed (Hieracium scouleri var. albertinum). This delightful little perennial might not have the flashiest name, but it’s got character in spades and offers plenty of benefits for both gardeners and local wildlife.

What Is Scouler’s Woollyweed?

Scouler’s woollyweed is a native perennial forb that belongs to the sunflower family. As a forb, it’s an herbaceous plant without woody stems—think of it as nature’s version of a hardy garden perennial. This plant has earned its woollyweed nickname thanks to its distinctively fuzzy, silvery-gray leaves that give it a soft, woolly appearance.

You might also encounter this plant listed under several botanical synonyms, including Hieracium albertinum, Hieracium cusickii, or Hieracium flettii, but they all refer to the same charming northwestern native.

Where Does It Come From?

Scouler’s woollyweed is a true native of the American Northwest, calling Idaho, Montana, Oregon, Washington, and Wyoming home. This plant has adapted to the unique growing conditions of this region, making it an excellent choice for gardeners who want to work with nature rather than against it.

Why Grow Scouler’s Woollyweed?

There are several compelling reasons to consider adding this native beauty to your garden:

  • Native plant benefits: As a regional native, it supports local ecosystems and requires fewer resources than non-native alternatives
  • Pollinator magnet: The bright yellow, dandelion-like flowers attract bees, butterflies, and other beneficial insects
  • Low maintenance: Once established, this hardy perennial can handle drought and poor soils with minimal fuss
  • Unique texture: The woolly, silvery foliage adds interesting texture and color contrast to garden beds
  • Long blooming: Produces cheerful yellow flowers over an extended period

Perfect Garden Situations

Scouler’s woollyweed shines in several types of garden settings:

  • Native plant gardens: A natural fit for regional native plantings
  • Rock gardens: Thrives in well-drained, rocky conditions
  • Wildflower meadows: Adds native diversity to naturalized areas
  • Xerophytic gardens: Perfect for water-wise landscaping
  • Mountain-style landscapes: Complements alpine and montane garden themes

Growing Conditions and Care

One of the best things about Scouler’s woollyweed is how easygoing it is once you understand its preferences:

Sunlight: Thrives in full sun but tolerates partial shade
Soil: Prefers well-drained soils and actually performs better in poor to average soil conditions
Water: Drought tolerant once established; avoid overwatering
Hardiness: Suitable for USDA zones 4-7, perfect for the cooler climates of its native range

Planting and Care Tips

Getting started with Scouler’s woollyweed is refreshingly straightforward:

  • Plant timing: Spring or fall planting works well
  • Spacing: Allow adequate space for the plant to spread naturally
  • Soil preparation: Ensure good drainage—this plant dislikes wet feet
  • Watering: Water regularly during establishment, then reduce frequency
  • Maintenance: Minimal care required; may self-seed in favorable conditions
  • Fertilizing: Generally unnecessary—too much nutrition can reduce flowering

A Few Considerations

While Scouler’s woollyweed is generally well-behaved, keep in mind that it may self-seed if conditions are right. This can be a benefit if you want it to naturalize, but monitor its spread if you prefer more controlled plantings.

Since this plant is adapted to the specific conditions of the Northwestern United States, gardeners outside this region should consider whether local native alternatives might be more appropriate for their area.

The Bottom Line

Scouler’s woollyweed offers northwestern gardeners an opportunity to grow a truly regional native that supports local wildlife while requiring minimal maintenance. Its unique woolly foliage and cheerful yellow blooms make it an attractive addition to native gardens, rock gardens, and naturalized areas. If you’re gardening within its native range and looking for a hardy, drought-tolerant perennial with character, this little woollyweed might just be the perfect fit for your landscape.

Scouler’s Woollyweed

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 scouleri Hook. - Scouler's woollyweed

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