Native Plants

Aster

Symphyotrichum ×batesii

USDA symbol: SYBA

perennial forb

Lower 48 states: native

If you’ve stumbled across the name Symphyotrichum ×batesii while researching native asters, you’ve discovered one of North America’s more elusive botanical treasures. This rare hybrid aster, commonly known simply as aster, represents a fascinating example of nature’s tendency to create something entirely new through natural crossbreeding. The × in Symphyotrichum ...

Bates’ Aster: A Rare Native Hybrid Worth Knowing About

If you’ve stumbled across the name Symphyotrichum ×batesii while researching native asters, you’ve discovered one of North America’s more elusive botanical treasures. This rare hybrid aster, commonly known simply as aster, represents a fascinating example of nature’s tendency to create something entirely new through natural crossbreeding.

What Makes This Aster Special?

The × in Symphyotrichum ×batesii tells us immediately that this isn’t your garden-variety wildflower—it’s a natural hybrid. Think of it as nature’s own experimental garden, where two different aster species decided to create something unique together. This perennial forb (that’s botanical speak for a non-woody flowering plant) belongs to the vast and beloved aster family that graces our fall landscapes with purple, white, and pink blooms.

Where Does Bates’ Aster Call Home?

Currently, this rare hybrid has only been documented in Nebraska, making it one of the more geographically restricted members of the aster family. Its limited range speaks to the specific conditions and parent species that must come together to create this natural hybrid.

  • Species observed
  • No observations

The Reality Check: Why You Probably Won’t Find This in Nurseries

Here’s where we need to have an honest conversation about Bates’ Aster. Due to its extreme rarity and hybrid nature, this plant is essentially unavailable in the nursery trade. Even if you could locate it, responsible gardening practices would suggest leaving rare plants like this in their natural habitats rather than attempting to cultivate them in home gardens.

Better Native Aster Alternatives for Your Garden

Instead of chasing this botanical unicorn, consider these readily available native asters that will give you all the beauty and ecological benefits you’re looking for:

  • New England Aster (Symphyotrichum novae-angliae) – A showstopper with purple-pink flowers
  • Smooth Blue Aster (Symphyotrichum laeve) – Delicate blue-purple blooms on sturdy stems
  • Aromatic Aster (Symphyotrichum oblongifolium) – Compact with masses of small purple flowers
  • White Old Field Aster (Symphyotrichum pilosum) – Creates clouds of tiny white flowers

Why Native Asters Matter in Your Landscape

While Bates’ Aster might be out of reach, the aster family as a whole offers incredible value to native gardens. These late-season bloomers provide crucial nectar sources when many other flowers have finished for the year. They’re magnets for butterflies, bees, and beneficial insects, and their seeds feed countless bird species through fall and winter.

The Takeaway

Symphyotrichum ×batesii serves as a reminder of the incredible diversity hidden within our native flora. While we may not be able to grow this particular hybrid in our gardens, it highlights the importance of preserving natural habitats where such rare botanical treasures can continue to exist. Instead, we can celebrate the aster family by choosing readily available native species that offer similar ecological benefits and aesthetic appeal.

Sometimes the best way to honor a rare plant is to grow its more common cousins and support the conservation of wild spaces where natural hybrids like Bates’ Aster can continue their quiet existence.

Symphyotrichum ×batesii 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 ×batesii is also known as:

Aster ×batesii | USDA symbol: ASBA4
Aster batesii , database artifact | USDA symbol: ASBA5

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 ×batesii (Rydb.) G.L. Nesom [ericoides × oblongifolium] - aster

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