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North America Native Plant

Edwards Plateau Thimbleweed

Edwards Plateau Thimbleweed: A Rare Texas Native Worth Knowing Meet the Edwards Plateau thimbleweed (Anemone edwardsiana var. petraea), a lesser-known gem among Texas native plants. While this perennial forb might not be on every gardener’s radar, it represents an important piece of the Lone Star State’s botanical heritage that deserves ...

Rare plant alert!

This plant is listed as rare and may be protected in certain regions. Its populations are limited, and removal from the wild could further endanger its survival. If you wish to enjoy this plant, consider sourcing from reputable nurseries that propagate responsibly or explore alternatives to help preserve natural populations.

Region: Conservation status by state

Status: S4T1Q: Status is uncertain but is somewhere between the following rankings: Uncertain taxonomy: ⚘ Subspecies or variety is critically Imperiled: Extremely rare due to factor(s) making it especially vulnerable to extinction. Typically 5 or fewer occurrences or very few remaining individuals (<1,000) ⚘ Apparently Secure: Uncommon but not rare, and usually widespread. Possibly cause for longterm concern. Typically more than 100 occurrences in the state or more than 10,000 individuals ⚘

Edwards Plateau Thimbleweed: A Rare Texas Native Worth Knowing

Meet the Edwards Plateau thimbleweed (Anemone edwardsiana var. petraea), a lesser-known gem among Texas native plants. While this perennial forb might not be on every gardener’s radar, it represents an important piece of the Lone Star State’s botanical heritage that deserves our attention and respect.

What Makes This Plant Special

The Edwards Plateau thimbleweed is a true Texas native, found exclusively within the state’s borders. As a perennial forb, it’s an herbaceous plant that comes back year after year, lacking the woody stems of shrubs and trees but offering its own unique charm to the landscape. Like other members of the buttercup family, this anemone adds delicate beauty to its natural habitat.

Where You’ll Find It Growing Wild

This special variety calls Texas home, with its natural range centered in the Edwards Plateau region—hence its common name. This limestone-rich area of central Texas provides the specific conditions this rare plant has adapted to over countless years.

A Word of Caution: Rarity Matters

Before we dive into growing tips, there’s something important every gardener should know: Edwards Plateau thimbleweed has a Global Conservation Status of S4T1Q, indicating it’s quite rare. This means that if you’re interested in growing this plant, you should only obtain it through responsible sources that don’t impact wild populations.

Wild collection of rare plants can harm fragile ecosystems, so always work with reputable native plant nurseries or conservation organizations if you’re hoping to add this species to your garden.

Growing Edwards Plateau Thimbleweed

While specific growing information for this variety is limited due to its rarity, we can make some educated guesses based on its natural habitat and relationship to other anemone species:

  • Likely prefers well-draining, limestone-based soils similar to its native Edwards Plateau habitat
  • Probably adapted to Texas climate conditions and suitable for appropriate USDA hardiness zones within the state
  • As a native Texas plant, it should be relatively drought-tolerant once established
  • May benefit from some protection from extreme heat in southern regions

Garden Role and Landscape Use

If you’re fortunate enough to obtain this rare plant through responsible channels, Edwards Plateau thimbleweed would be perfect for:

  • Native Texas plant gardens
  • Rock gardens that mimic limestone habitats
  • Conservation-focused landscapes
  • Educational gardens highlighting rare Texas flora

The Bottom Line for Gardeners

Edwards Plateau thimbleweed is undoubtedly a fascinating native plant, but its rarity means it’s not readily available for most home gardeners. If conservation and supporting Texas native plants appeals to you, consider these alternatives:

  • Look for other native Texas anemone species that are more widely available
  • Support native plant conservation organizations
  • Focus on other Edwards Plateau natives that are less rare but equally beautiful
  • Create habitat that could potentially support rare species recovery efforts

Remember, the best gardens are those that support local ecosystems while respecting the rarity and fragility of our native plant communities. Sometimes the most impactful thing we can do is simply appreciate and protect what’s already growing wild in our region.

Edwards Plateau Thimbleweed

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Magnoliidae

Order

Ranunculales

Family

Ranunculaceae Juss. - Buttercup family

Genus

Anemone L. - anemone

Species

Anemone edwardsiana Tharp - Edwards Plateau thimbleweed

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