North America Native Plant

Cleftleaf Ragwort

Botanical name: Packera moresbiensis

USDA symbol: PAMO18

Life cycle: perennial

Habit: forb

Native status: Native to Alaska ⚘ Native to Canada  

Synonyms: Senecio cymbalarioides H. Buek ssp. moresbiensis Calder & Roy L. Taylor (SECYM)  ⚘  Senecio moresbiensis (Calder & Roy L. Taylor) G.W. Douglas & G. Ruyle-Douglas (SEMO10)  ⚘  Senecio streptanthifolius Greene var. moresbiensis (Calder & Roy L. Taylor) B. Boivin (SESTM2)   

Cleftleaf Ragwort: A Hardy Native Wildflower for Northern Gardens If you’re looking for a tough-as-nails native wildflower that can handle whatever Mother Nature throws at it, cleftleaf ragwort might just be your new garden hero. This petite perennial packs a punch with its cheerful yellow blooms and distinctive deeply-lobed leaves ...

Rare plant alert!

Region: Conservation status by state

Status: S3S4: Status is uncertain but is somewhere between the following rankings: 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 ⚘ Apparently Secure: Uncommon but not rare, and usually widespread. Possibly cause for longterm concern. Typically more than 100 occurrences in the state or more than 10,000 individuals ⚘

Cleftleaf Ragwort: A Hardy Native Wildflower for Northern Gardens

If you’re looking for a tough-as-nails native wildflower that can handle whatever Mother Nature throws at it, cleftleaf ragwort might just be your new garden hero. This petite perennial packs a punch with its cheerful yellow blooms and distinctive deeply-lobed leaves that give it its memorable common name.

What Makes Cleftleaf Ragwort Special

Scientifically known as Packera moresbiensis, this hardy little forb belongs to the sunflower family and sports the classic daisy-like flowers that make gardeners smile. What sets it apart from its ragwort cousins are those deeply divided, almost fern-like leaves that look like someone took scissors to them – hence the cleftleaf moniker.

As a perennial herbaceous plant, cleftleaf ragwort returns year after year without any woody stems to worry about. It’s the kind of low-maintenance plant that northern gardeners dream about.

Where It Calls Home

This resilient wildflower is native to some of North America’s most challenging climates, naturally occurring in Alaska and British Columbia. It’s perfectly adapted to life in zones 2-5, making it an excellent choice for gardeners in the coldest regions where many other plants simply can’t survive.

A Word About Conservation

Here’s something important to keep in mind: cleftleaf ragwort has a conservation status of S3S4, which suggests it may face some population pressures in the wild. If you’re interested in growing this native beauty, please make sure you source your plants or seeds from reputable native plant nurseries that propagate their own stock rather than wild-harvesting.

Why Your Garden (and Local Wildlife) Will Love It

Cleftleaf ragwort brings several benefits to your landscape:

  • Cheerful yellow flowers that brighten up late spring and early summer
  • Attracts small native pollinators like bees and beneficial flies
  • Extremely cold hardy – perfect for northern climates
  • Low maintenance once established
  • Adds texture with its unique deeply-lobed foliage

Perfect Garden Spots

This adaptable native works beautifully in several garden settings:

  • Rock gardens: Its compact size and drought tolerance make it ideal for tucking between stones
  • Alpine gardens: Naturally suited to mountain-like conditions
  • Naturalized areas: Perfect for wildflower meadows and prairie-style plantings
  • Native plant gardens: An authentic choice for showcasing local flora

Growing Cleftleaf Ragwort Successfully

The good news is that this little survivor isn’t particularly fussy about its growing conditions. Here’s what it prefers:

  • Sunlight: Partial shade to full sun
  • Soil: Well-draining soils (it doesn’t like wet feet)
  • Water: Moderate moisture, but avoid overwatering
  • Climate: Thrives in cool climates, zones 2-5

Planting and Care Tips

Once you’ve sourced your cleftleaf ragwort responsibly, getting it established is straightforward:

  • Plant in spring after the last frost
  • Choose a location with good drainage – soggy soil is this plant’s kryptonite
  • Space plants about 12 inches apart to allow for natural spreading
  • Water regularly the first season to help establish roots
  • After establishment, it’s quite drought tolerant
  • Deadhead spent flowers to encourage more blooms

The Bottom Line

Cleftleaf ragwort is a wonderful choice for gardeners in northern climates who want to support native wildlife while enjoying a low-maintenance, cold-hardy perennial. Its unique foliage and cheerful flowers make it a standout addition to rock gardens, native plant collections, and naturalized areas.

Just remember to source it responsibly from nurseries that propagate their own plants. By choosing native species like cleftleaf ragwort, you’re not just creating a beautiful garden – you’re also supporting the local ecosystem and preserving these special plants for future generations to enjoy.

Cleftleaf Ragwort

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

Packera Á. Löve & D. Löve - ragwort

Species

Packera moresbiensis (Calder & Roy L. Taylor) J.F. Bain - cleftleaf ragwort

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