North America Native Plant

Rough Hawkweed

Botanical name: Hieracium scabrum var. tonsum

USDA symbol: HISCT

Life cycle: perennial

Habit: forb

Native status: Native to Canada âš˜ Native to the lower 48 states  

Rough Hawkweed: A Hardy Native Wildflower for Natural Landscapes If you’re looking to add some wild beauty to your garden while supporting native ecosystems, rough hawkweed (Hieracium scabrum var. tonsum) might just be the unsung hero your landscape needs. This perennial native wildflower brings a touch of golden sunshine to ...

Rough Hawkweed: A Hardy Native Wildflower for Natural Landscapes

If you’re looking to add some wild beauty to your garden while supporting native ecosystems, rough hawkweed (Hieracium scabrum var. tonsum) might just be the unsung hero your landscape needs. This perennial native wildflower brings a touch of golden sunshine to naturalized areas and is as tough as its name suggests.

What Is Rough Hawkweed?

Rough hawkweed is a native North American perennial that belongs to the diverse hawkweed family. As a forb – basically a fancy botanical term for a non-woody flowering plant – it produces cheerful yellow flowers that look like tiny sunflowers. Don’t let the rough in its name fool you; while the plant may have a somewhat coarse texture, it’s actually quite charming in the right setting.

Where Does It Call Home?

This hardy native has quite an impressive range across the northern regions of North America. You’ll find rough hawkweed growing naturally throughout eastern Canada, including New Brunswick, Nova Scotia, Ontario, Prince Edward Island, and Quebec. In the United States, it’s native to the Great Lakes region and Northeast, thriving in Maine, Michigan, Minnesota, and Wisconsin.

Why Consider Rough Hawkweed for Your Garden?

Here’s where rough hawkweed really shines – it’s a low-maintenance native that can handle conditions where more finicky plants might struggle. As a native species, it supports local ecosystems and provides food for native pollinators, including bees and butterflies. Plus, once established, it’s remarkably self-sufficient.

Perfect for These Garden Styles:

  • Wild or prairie gardens
  • Naturalized meadow areas
  • Native plant landscapes
  • Low-maintenance garden borders
  • Areas with poor or challenging soil conditions

Growing Conditions and Care

One of rough hawkweed’s best qualities is its adaptability. This tough native can tolerate a range of growing conditions, making it perfect for those spots in your garden that seem to challenge every other plant you’ve tried.

Ideal Growing Conditions:

  • Sunlight: Full sun to partial shade
  • Soil: Tolerates poor soils and various soil types
  • Hardiness: Thrives in USDA zones 3-7
  • Water: Drought tolerant once established

Planting and Care Tips

The beauty of rough hawkweed lies in its simplicity. This native wildflower is refreshingly easy to grow, especially if you’re working within its natural range.

Getting Started:

  • Plant in spring after the last frost
  • Seeds can be direct sown in fall or spring
  • Space plants to allow for natural spreading
  • Water during establishment, then let nature take over

Ongoing Care:

  • Minimal fertilization needed (too much can actually harm native plants)
  • Allow to self-seed for naturalized areas
  • Deadhead if you want to prevent spreading
  • Very little pest or disease issues

Supporting Local Wildlife

By choosing rough hawkweed, you’re not just adding a pretty flower to your garden – you’re creating habitat and food sources for local wildlife. The yellow blooms attract various pollinators, and as a native plant, it fits perfectly into the local ecosystem’s web of relationships.

Is Rough Hawkweed Right for Your Garden?

Rough hawkweed is ideal for gardeners who love native plants and natural landscapes. It’s perfect if you want to create a wild meadow feel, support local pollinators, or need something tough for challenging growing conditions. However, if you prefer formal, highly manicured gardens, this free-spirited native might not be the best fit.

Consider rough hawkweed if you’re gardening in its native range and want to add authentic local character to your landscape. It’s a wonderful choice for anyone interested in sustainable, low-maintenance gardening that works with nature rather than against it.

Rough 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 scabrum Michx. - rough hawkweed

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