Native Plants

Barrens Silky Aster

Symphyotrichum pratense

USDA symbol: SYPR7

perennial forb

Lower 48 states: native

If you’re looking for a native wildflower that brings ethereal beauty to your garden when most other plants are calling it quits for the season, let me introduce you to the barrens silky aster (Symphyotrichum pratense). This delicate southeastern native might not be as flashy as some of its showier ...

Barrens Silky Aster may be listed as rare in your area.
Arkansas

Status: S2 | Imperiled: Extremely rare. Typically 6 to 20 occurrences or 1,000 to 3,000 remaining individuals.

Barrens Silky Aster: A Hidden Gem for Late-Season Garden Color

If you’re looking for a native wildflower that brings ethereal beauty to your garden when most other plants are calling it quits for the season, let me introduce you to the barrens silky aster (Symphyotrichum pratense). This delicate southeastern native might not be as flashy as some of its showier cousins, but it has a quiet charm that’s absolutely captivating.

What Makes Barrens Silky Aster Special?

The barrens silky aster is a perennial forb that belongs to the diverse aster family. What sets this particular species apart is its silvery-silky foliage that seems to shimmer in the sunlight, giving the plant its descriptive common name. The small, daisy-like flowers typically bloom in shades of white to pale lavender with sunny yellow centers, creating a cloud-like effect when planted in masses.

You might also encounter this plant listed under several synonyms in older gardening references, including Aster pratensis, Aster sericeus var. microphyllus, or Aster phyllolepis, but rest assured – they’re all referring to the same lovely plant.

Where Does It Call Home?

This southeastern beauty is native to the lower 48 states, with populations naturally occurring across Alabama, Arkansas, Florida, Georgia, Kentucky, Louisiana, Mississippi, North Carolina, Oklahoma, Tennessee, Texas, and Virginia. In the wild, you’ll typically find it growing in open woodlands, prairies, and the sandy, well-drained soils of pine barrens – hence the barrens part of its name.

  • Species observed
  • No observations

A Word About Rarity

Before we dive into growing tips, there’s something important to know: barrens silky aster is considered rare in some parts of its range, with an S2 rarity status in Arkansas. This means it’s imperiled in that state due to restricted range, habitat loss, or other factors. If you’re interested in growing this plant, please make sure to source it responsibly from reputable native plant nurseries rather than collecting from wild populations.

Why Your Garden (and Local Wildlife) Will Love It

Here’s where barrens silky aster really shines – it’s a late-season bloomer that provides crucial nectar when many other flowers have finished for the year. This makes it incredibly valuable for butterflies, native bees, and other pollinators preparing for winter. The timing couldn’t be more perfect, as it typically flowers in fall when pollinators need all the help they can get.

From a design perspective, this aster works beautifully in:

  • Native plant gardens and prairie restorations
  • Naturalized meadow areas
  • Mixed perennial borders where you want late-season interest
  • Drought-tolerant landscape designs

Growing Barrens Silky Aster Successfully

The good news is that once established, barrens silky aster is refreshingly low-maintenance. Here’s what you need to know to grow it successfully:

Ideal Growing Conditions

  • Sunlight: Full sun to partial shade (though it performs best with at least 6 hours of direct sunlight)
  • Soil: Well-drained soils are essential – this plant absolutely cannot tolerate wet feet
  • Hardiness: Thrives in USDA zones 6-9
  • Water needs: Drought tolerant once established, though occasional deep watering during dry spells is appreciated

Planting and Care Tips

Spring is the ideal time to plant barrens silky aster. Choose a location with good drainage – if your soil tends to stay soggy, consider planting in a raised bed or on a slope. The silvery foliage provides textural interest throughout the growing season, so don’t worry if the plant seems quiet during summer months.

Once established, this native requires minimal care. You can cut it back in late winter or early spring before new growth emerges, though some gardeners prefer to leave the seed heads standing through winter to provide food for birds and shelter for beneficial insects.

The Bottom Line

Barrens silky aster may not be the most well-known native plant, but it definitely deserves a spot in gardens throughout the Southeast. Its combination of attractive silvery foliage, late-season blooms, and valuable pollinator support makes it a worthy addition to any native plant garden. Just remember to source it responsibly, and you’ll be rewarded with years of low-maintenance beauty that both you and local wildlife will appreciate.

If you can’t locate barrens silky aster from reputable sources, consider other native asters like aromatic aster (Symphyotrichum oblongifolium) or smooth blue aster (Symphyotrichum laeve) as alternatives that offer similar benefits with wider availability.

Symphyotrichum pratense is also known as...

Often we refer to plants by their common names. When shopping for plants the scientific name is the best way to positively identify the plant species you desire. But some plants have more than one name! While it doesn't happen often, nurseries might display one name while you're searching for another. Symphyotrichum pratense is also known as:

Aster phyllolepis & | USDA symbol: ASPH5
Aster pratensis | USDA symbol: ASPR3
Aster sericeus var. microphyllus DC. | USDA symbol: ASSEM
Lasallea sericea Greene ssp. pratensis Semple & | USDA symbol: LASEP2
Virgulus pratensis Reveal & | USDA symbol: VIPR8

Why do some plants have more than one name? Over time plant species may be renamed for a few reasons:

  1. Botanists in different regions named the same plant without knowing it had already been classified.
  2. A species was reclassified after scientific advances in, for example, DNA analysis.
  3. Slight variations within a species are sometimes mistakenly identified as entirely new species.

Classification

Group: Dicot
Kingdom: Plantae - Plants
Subkingdom: Tracheobionta - Vascular plants
Superdivision: Spermatophyta - Seed plants
Division: Magnoliophyta - Flowering plants
Class: Magnoliopsida - Dicotyledons
Subclass: Asteridae
Order: Asterales
Family: Asteraceae Bercht. & J. Presl - Aster family
Genus: Symphyotrichum Nees - aster

Species: Symphyotrichum pratense (Raf.) G.L. Nesom - barrens silky aster

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