North America Native Plant

Glaucous Umbrellawort

Botanical name: Tauschia glauca

USDA symbol: TAGL

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Glaucous Umbrellawort: A Mysterious Native Wildflower Worth Discovering If you’re on the hunt for truly unique native plants that most gardeners have never heard of, let me introduce you to glaucous umbrellawort (Tauschia glauca). This perennial wildflower is one of those hidden gems of the native plant world – so ...

Glaucous Umbrellawort: A Mysterious Native Wildflower Worth Discovering

If you’re on the hunt for truly unique native plants that most gardeners have never heard of, let me introduce you to glaucous umbrellawort (Tauschia glauca). This perennial wildflower is one of those hidden gems of the native plant world – so uncommon that even seasoned botanists might do a double-take when they encounter it in the wild.

What Exactly Is Glaucous Umbrellawort?

Glaucous umbrellawort is a native perennial forb, which means it’s a non-woody plant that comes back year after year. Unlike shrubs or trees, this plant doesn’t develop thick, woody stems but instead maintains herbaceous growth with its growing points at or below ground level. It belongs to the carrot family (Apiaceae), though don’t expect it to look anything like the carrots in your vegetable garden!

Where Does It Call Home?

This native beauty has a pretty exclusive address – you’ll only find it naturally occurring in California and Oregon. It’s a true West Coast native that has adapted to the specific conditions of these Pacific states over thousands of years.

The Mystery Plant Dilemma

Here’s where things get interesting (and a bit frustrating for curious gardeners): glaucous umbrellawort is one of those plants that seems to fly under the radar of most horticultural resources. While we know it’s a legitimate native species, detailed information about its appearance, growing requirements, and garden performance is surprisingly scarce.

This could mean a few things:

  • It might be quite rare in the wild
  • It could have very specific habitat requirements that make it challenging to cultivate
  • It may simply be overlooked by the gardening community

Should You Try Growing It?

The honest answer is: it’s complicated. While there’s something undeniably appealing about growing a plant that practically no one else has, the lack of cultivation information makes this a risky choice for most gardeners.

If you’re determined to try growing glaucous umbrellawort, here’s what I’d recommend:

  • Only source plants or seeds from reputable native plant nurseries
  • Never collect from wild populations
  • Start small with just one or two plants to test how they perform in your garden
  • Research the specific native habitats in California and Oregon to mimic those conditions

Better Native Alternatives

If you’re drawn to the idea of growing native umbrella-family plants but want something with more reliable cultivation information, consider these alternatives:

  • Wild parsnip (Lomatium species) – another native umbellifer with better documentation
  • Angelica (Angelica species) – impressive native plants with dramatic flower heads
  • Native yarrow (Achillea millefolium) – not in the same family but offers similar delicate flowers

The Bottom Line

Glaucous umbrellawort represents one of those fascinating gaps in our gardening knowledge. While it’s undoubtedly a legitimate and potentially beautiful native plant, the lack of cultivation information makes it a plant for the truly adventurous gardener rather than someone looking for reliable garden performers.

If you do decide to experiment with this mysterious native, please consider documenting your experience and sharing it with native plant societies. Your observations could help future gardeners succeed with this enigmatic wildflower!

Glaucous Umbrellawort

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Rosidae

Order

Apiales

Family

Apiaceae Lindl. - Carrot family

Genus

Tauschia Schltdl. - umbrellawort

Species

Tauschia glauca (J.M. Coult. & Rose) Mathias & Constance - glaucous umbrellawort

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