North America Non-native Plant

Aster Flaccidus Var. Flaccidus

Botanical name: Aster flaccidus var. flaccidus

USDA symbol: ASFLF2

Native status: Not native but doesn't reproduce and persist in the wild

Synonyms: Aster tibeticus Hook. f. (ASTI6)   

Aster flaccidus var. flaccidus: The Mysterious Aster That’s Better Left to the Experts If you’ve stumbled across Aster flaccidus var. flaccidus in your plant research, you might be scratching your head wondering what exactly this mysterious aster is all about. Well, you’re not alone! This particular variety is one of ...

Aster flaccidus var. flaccidus: The Mysterious Aster That’s Better Left to the Experts

If you’ve stumbled across Aster flaccidus var. flaccidus in your plant research, you might be scratching your head wondering what exactly this mysterious aster is all about. Well, you’re not alone! This particular variety is one of those botanical enigmas that even plant experts find puzzling.

What We Know (And Don’t Know) About This Elusive Aster

Aster flaccidus var. flaccidus is also known by its synonym Aster tibeticus, which gives us a clue about its possible origins in high-altitude Tibetan or Himalayan regions. However, that’s about where the trail goes cold for most gardeners.

The truth is, this particular aster variety is so poorly documented that we don’t have reliable information about its native range, growing requirements, or even whether it’s readily available in cultivation. The geographic distribution remains unknown, making it difficult to determine where this plant naturally occurs.

Why This Aster Might Not Be Right for Your Garden

Here’s the honest truth about Aster flaccidus var. flaccidus: it’s probably not the best choice for your garden, and here’s why:

  • Extremely limited cultivation information available
  • Unknown growing requirements and hardiness zones
  • Uncertain availability from reputable nurseries
  • No documented wildlife or pollinator benefits
  • Unclear native status in North America

Better Native Aster Alternatives

Instead of chasing this botanical mystery, why not consider some well-documented native asters that will actually thrive in your garden and support local wildlife? Here are some fantastic alternatives:

  • New England Aster (Symphyotrichum novae-angliae) – a showstopper with purple blooms
  • Aromatic Aster (Symphyotrichum oblongifolium) – drought-tolerant with masses of small flowers
  • White Oldfield Aster (Symphyotrichum pilosum) – perfect for naturalizing
  • Smooth Blue Aster (Symphyotrichum laeve) – elegant and easy to grow

The Bottom Line

While Aster flaccidus var. flaccidus might sound intriguing, the lack of cultivation information, unknown growing requirements, and uncertain availability make it a poor choice for most gardeners. Your time and garden space are better invested in well-documented native asters that will provide reliable beauty, support pollinators, and give you the satisfaction of successful growing.

Remember, the best native plant for your garden is one that you can actually find, grow successfully, and that provides known benefits to your local ecosystem. Save the botanical mysteries for the researchers and stick with tried-and-true native asters that will reward you with years of gorgeous blooms and happy pollinators!

Aster Flaccidus Var. Flaccidus

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

Aster L. - aster

Species

Aster flaccidus Bunge

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