North America Native Plant

Rice Button Aster

Botanical name: Symphyotrichum dumosum

USDA symbol: SYDU2

Life cycle: perennial

Habit: forb

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

Rice Button Aster: A Late-Season Native Gem for Your Garden If you’re looking for a native perennial that keeps your garden buzzing with activity well into fall, meet the rice button aster (Symphyotrichum dumosum). This unassuming little wildflower might not win any beauty contests in spring, but come late summer, ...

Rice Button Aster: A Late-Season Native Gem for Your Garden

If you’re looking for a native perennial that keeps your garden buzzing with activity well into fall, meet the rice button aster (Symphyotrichum dumosum). This unassuming little wildflower might not win any beauty contests in spring, but come late summer, it transforms into a cloud of tiny white to pale purple blooms that pollinators absolutely adore.

What Makes Rice Button Aster Special?

Rice button aster is a true native gem, naturally occurring across a huge swath of North America. This hardy perennial calls home to states stretching from Maine down to Florida and west through the Great Plains, including Alabama, Arkansas, Connecticut, Delaware, District of Columbia, Florida, Georgia, Illinois, Indiana, Iowa, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Mississippi, Missouri, New Hampshire, New Jersey, New York, North Carolina, Ohio, Oklahoma, Pennsylvania, Rhode Island, South Carolina, Tennessee, Texas, Virginia, West Virginia, and Wisconsin. It’s also native to parts of Canada, including New Brunswick and Ontario.

As a forb (basically a fancy term for a non-woody flowering plant), rice button aster grows as a perennial that dies back to the ground each winter but reliably returns each spring. Its wetland status is facultative across most regions, meaning it’s perfectly happy in both wet and dry spots – talk about adaptable!

Why Your Garden Needs Rice Button Aster

Here’s where this little plant really shines: timing. While most flowers are calling it quits by late summer, rice button aster is just getting started. Its dense clusters of small, daisy-like flowers provide crucial nectar when butterflies, bees, and other pollinators are desperately searching for food before winter.

The plant forms a compact, bushy mound covered in small, narrow leaves that create a nice textural contrast in the garden. But the real magic happens in fall when it erupts into clouds of tiny blooms that seem to hover above the foliage like stars.

Perfect Spots for Rice Button Aster

This versatile native works beautifully in several garden settings:

  • Native plant gardens and prairie restorations
  • Informal, naturalized landscapes
  • Rain gardens and areas with variable moisture
  • Gaps in perennial borders that need late-season interest
  • Ground cover in wild or less formal areas

Growing Rice Button Aster Successfully

One of the best things about rice button aster is how easygoing it is. Hardy in USDA zones 3-8, this plant adapts to a wide range of conditions. It thrives in full sun to partial shade and isn’t picky about soil type, though it appreciates good drainage.

Here are some tips for success:

  • Planting: Spring or fall planting works well. Space plants about 12-18 inches apart.
  • Watering: Water regularly the first season to establish roots, then it becomes quite drought tolerant.
  • Maintenance: This is a low-maintenance plant! It may spread by underground stems (rhizomes), which is great for naturalizing but can be controlled by division.
  • Division: Divide clumps every 3-4 years in spring to keep plants vigorous and control spread.
  • Pruning: Cut back to ground level in late winter or early spring.

A Few Things to Keep in Mind

Rice button aster has a somewhat informal, wild appearance that might not suit every garden style. If you prefer perfectly manicured borders, this might not be your plant. It can also spread over time, so consider this when placing it in smaller gardens.

However, for gardeners who value native plants, late-season pollinator support, and low-maintenance perennials, rice button aster is hard to beat. It’s particularly valuable in larger, more naturalized spaces where its spreading habit becomes an asset rather than a concern.

The Bottom Line

Rice button aster may be small in stature, but it’s mighty in impact. This native perennial offers reliable late-season blooms, supports important pollinators, and requires minimal care once established. If you’re building a native plant garden or just want to add some fall interest that benefits wildlife, rice button aster deserves a spot in your landscape. Just give it room to do its thing, and you’ll be rewarded with clouds of tiny stars lighting up your garden when most everything else has gone to bed for the season.

Wetland Status

The rule of seasoned gardeners and landscapers is to choose the "right plant for the right place" matching plants to their ideal growing conditions, so they'll thrive with less work and fewer inputs. But the simplicity of this catchphrase conceals how tricky plant selection is. While tags list watering requirements, there's more to the story.

Knowing a plant's wetland status can simplify the process by revealing the interaction between plants, water, and soil. Surprisingly, many popular landscape plants are wetland species! And what may be a wetland plant in one area, in another it might thrive in drier conditions. Also, it helps you make smarter gardening choices and grow healthy plants with less care and feeding, saving you time, frustration, and money while producing an attractive garden with greater ecological benefits.

Regions
Status
Moisture Conditions

Atlantic and Gulf Coastal Plain

FAC

Facultative - Plants with this status can occur in wetlands and non-wetlands

Eastern Mountains and Piedmont

FAC

Facultative - Plants with this status can occur in wetlands and non-wetlands

Great Plains

FAC

Facultative - Plants with this status can occur in wetlands and non-wetlands

Midwest

FAC

Facultative - Plants with this status can occur in wetlands and non-wetlands

Northcentral & Northeast

FAC

Facultative - Plants with this status can occur in wetlands and non-wetlands

Rice Button Aster

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

Symphyotrichum Nees - aster

Species

Symphyotrichum dumosum (L.) G.L. Nesom - rice button aster

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