North America Native Plant

Canyon Spiderwort

Botanical name: Tradescantia leiandra var. glandulosa

USDA symbol: TRLEG

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Setcreasea leiandra (Torr.) Pilg. var. glandulosa Correll (SELEG)   

Canyon Spiderwort: A Hidden Gem of Texas Native Flora If you’re passionate about native Texas plants and love discovering botanical treasures, canyon spiderwort might just capture your heart. This charming perennial herb, scientifically known as Tradescantia leiandra var. glandulosa, is a true Texas native that brings both beauty and ecological ...

Rare plant alert!

Region: Conservation status by state

Status: S4T1?Q: Status is uncertain but is somewhere between the following rankings: Inexact rank: ⚘ 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 ⚘

Canyon Spiderwort: A Hidden Gem of Texas Native Flora

If you’re passionate about native Texas plants and love discovering botanical treasures, canyon spiderwort might just capture your heart. This charming perennial herb, scientifically known as Tradescantia leiandra var. glandulosa, is a true Texas native that brings both beauty and ecological value to the right garden setting.

What Makes Canyon Spiderwort Special?

Canyon spiderwort is a herbaceous perennial that belongs to the spiderwort family, sharing the characteristic three-petaled flowers that make these plants so beloved by gardeners. As a forb, it lacks woody stems but compensates with its reliable perennial nature and delicate beauty.

This plant holds a special place in Texas botany, being endemic to the Lone Star State. You won’t find this particular variety growing wild anywhere else in the world, making it a true Texas treasure.

Where Does Canyon Spiderwort Call Home?

True to its name, canyon spiderwort is native exclusively to Texas, where it has adapted to the unique conditions found in canyon environments. This limited geographic distribution makes it a special addition to native Texas landscapes.

Should You Grow Canyon Spiderwort?

Before we dive into the how, let’s talk about the should you. Canyon spiderwort has a conservation status that’s somewhat uncertain (listed as S4T1?Q), which suggests it may be quite rare. If you’re interested in growing this plant, it’s crucial to source it responsibly from reputable native plant nurseries that propagate their own stock rather than collecting from wild populations.

Reasons to consider canyon spiderwort:

  • Supports local Texas ecosystems and biodiversity
  • Likely attracts native pollinators like small bees and flies
  • Perfectly adapted to Texas growing conditions
  • Low-maintenance once established
  • Adds authentic native character to your landscape

Garden Design and Landscape Role

Canyon spiderwort works beautifully in several landscape settings:

  • Native Texas gardens: Perfect for authentic regional landscaping
  • Rock gardens: Complements the natural canyon aesthetic
  • Xeriscapes: Likely drought-tolerant like its spiderwort relatives
  • Naturalized areas: Great for creating wildlife habitat

Growing Canyon Spiderwort Successfully

While specific growing information for this variety is limited, we can draw from its canyon habitat and spiderwort family characteristics:

Preferred Growing Conditions:

  • Well-draining soil (essential for preventing root rot)
  • Partial shade to full sun exposure
  • USDA hardiness zones 8-10 (typical for Texas natives)
  • Low to moderate water needs once established

Planting and Care Tips:

  • Plant in spring after the last frost
  • Ensure excellent drainage to mimic canyon conditions
  • Water regularly the first year to establish roots
  • Mulch around plants to retain moisture and suppress weeds
  • Divide clumps every few years if they become overcrowded

Supporting Pollinators and Wildlife

Like other spiderworts, canyon spiderwort likely provides nectar for small pollinators and may offer seeds for birds. By growing this native plant, you’re supporting the intricate web of Texas wildlife that has co-evolved with these species over thousands of years.

The Bottom Line

Canyon spiderwort is a fascinating choice for dedicated native plant enthusiasts, especially those gardening in Texas. Its rarity makes it extra special, but also means you should be particularly careful about sourcing. If you can find responsibly propagated plants, you’ll be growing a piece of Texas botanical heritage while supporting local ecosystems.

Remember, the best gardens are those that work with nature rather than against it, and canyon spiderwort is a perfect example of a plant that’s perfectly suited to its native environment. Just be sure to do your part in conservation by choosing ethically sourced plants!

Canyon Spiderwort

Classification

Group

Monocot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Liliopsida - Monocotyledons

Subclass

Commelinidae

Order

Commelinales

Family

Commelinaceae Mirb. - Spiderwort family

Genus

Tradescantia L. - spiderwort

Species

Tradescantia leiandra Torr. - canyon spiderwort

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