North America Native Plant

Rough Hawkweed

Botanical name: Hieracium scabrum var. scabrum

USDA symbol: HISCS

Life cycle: perennial

Habit: forb

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

Rough Hawkweed: A Hardy Native Wildflower for Your Garden Looking for a low-maintenance native wildflower that can handle tough conditions? Meet rough hawkweed (Hieracium scabrum var. scabrum), a charming perennial that’s been quietly brightening North American landscapes for centuries. This unassuming beauty might not win any flashy garden contests, but ...

Rough Hawkweed: A Hardy Native Wildflower for Your Garden

Looking for a low-maintenance native wildflower that can handle tough conditions? Meet rough hawkweed (Hieracium scabrum var. scabrum), a charming perennial that’s been quietly brightening North American landscapes for centuries. This unassuming beauty might not win any flashy garden contests, but it’s got staying power and ecological value that make it worth considering for your outdoor space.

What is Rough Hawkweed?

Rough hawkweed is a perennial forb – essentially a non-woody flowering plant that comes back year after year. True to its name, this plant has a somewhat rough, hairy texture that gives it a rustic charm. It’s part of the large hawkweed family, which includes many species that can be tricky to tell apart, but rough hawkweed has its own distinct personality.

As a native species, rough hawkweed has deep roots in North American ecosystems. It’s indigenous to both Canada and the lower 48 states, making it a true continental native that has evolved alongside local wildlife and environmental conditions.

Where Does Rough Hawkweed Grow?

This adaptable plant has quite an impressive range across North America. You’ll find it naturally growing from the Maritime provinces of Canada down through much of the eastern and central United States. Its distribution spans from New Brunswick and Nova Scotia in the north, all the way down to Georgia and South Carolina in the south, and extends west into states like Arkansas, Oklahoma, and Minnesota.

Garden Appeal and Design Role

Rough hawkweed produces cheerful yellow flowers that resemble small dandelions, arranged in clusters atop sturdy stems. While it may not have the showstopping presence of a rose or peony, its subtle beauty shines in naturalized settings and wildflower gardens. The flowers typically bloom from late spring through summer, providing a reliable source of color when many other wildflowers have finished their show.

This plant works best in informal landscape designs where a more natural, meadow-like appearance is desired. It’s perfect for:

  • Prairie restoration projects
  • Wildflower meadows
  • Natural garden borders
  • Low-maintenance landscape areas
  • Native plant gardens

Benefits for Pollinators and Wildlife

One of rough hawkweed’s best qualities is its value to pollinators. The yellow flowers attract various bees, butterflies, and other beneficial insects looking for nectar and pollen. As a native plant, it has co-evolved with local pollinator species, making it particularly valuable for supporting native bee populations and other indigenous insects.

The seeds also provide food for birds, particularly finches and other small songbirds, extending the plant’s ecological benefits beyond the flowering season.

Growing Conditions and Care

Here’s where rough hawkweed really shines – it’s remarkably easy to grow! This hardy perennial thrives in USDA hardiness zones 3 through 8, making it suitable for most temperate North American gardens.

Ideal growing conditions include:

  • Full sun to partial shade (though it flowers best in full sun)
  • Well-drained soils of various types
  • Average to poor soil fertility (it’s not picky!)
  • Good drought tolerance once established

Planting and Care Tips

Getting rough hawkweed established in your garden is straightforward:

Planting: Start with seeds or small plants in spring or fall. Seeds can be direct-sown in prepared garden beds, though germination may be sporadic. If using plants, space them about 12-18 inches apart.

Watering: Water regularly during the first growing season to help establish roots, then reduce watering as the plant becomes drought-tolerant.

Maintenance: This is a low-maintenance plant that rarely needs fertilizer or special care. Deadheading spent flowers can prevent excessive self-seeding if that’s a concern in your garden.

Spread: Keep in mind that rough hawkweed can spread both by seed and through underground rhizomes, so give it room to naturalize or be prepared to manage its spread in more formal garden settings.

Should You Plant Rough Hawkweed?

Rough hawkweed is an excellent choice for gardeners who want to support native ecosystems while enjoying a low-maintenance perennial. It’s particularly valuable if you’re creating wildlife habitat, establishing a prairie garden, or looking for plants that can handle challenging growing conditions.

However, it might not be the best fit if you prefer highly manicured landscapes or need plants that stay exactly where you put them. Its tendency to spread means it works best in naturalized settings where it has room to roam.

For native plant enthusiasts and eco-conscious gardeners, rough hawkweed offers the satisfaction of growing a truly indigenous species that supports local wildlife while requiring minimal care. It’s a humble but valuable addition to any native plant collection.

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