Prairie Spiderwort (Tradescantia occidentalis)

Prairie Spiderwort (Tradescantia occidentalis)

Prairie Spiderwort is one of those plants that feels both familiar and quietly unusual. Its  blue, three-petaled flowers open fresh each morning, hovering above grassy, arching foliage that brings softness and movement to the garden. The blooms are short-lived on any given day, but the plant flowers steadily for weeks, so there’s always something happening.

Compared to its close relative Ohio Spiderwort (Tradescantia ohiensis), Prairie Spiderwort has a more refined look. It tends to stay a bit shorter and more compact, with narrower foliage and a cleaner overall habit. Both are excellent plants, but Prairie Spiderwort really stands out for gardeners looking for something that reads lighter and more intentional in dry to medium soils. It weaves beautifully among grasses and early-summer perennials, adding color without overwhelming its neighbors.

After its main bloom period, the foliage remains an important textural element. If it starts to look tired later in summer, it responds well to a simple cut-back, quickly sending up fresh new growth.

Growing Conditions

Light: Full sun to part shade
Soil: Dry to medium, well-drained
Moisture: Low to medium
Height: 18–30 inches
Spread: 18–24 inches, clump-forming
Zones: 3–8
Bloom time: May through July

Wildlife Value

Prairie Spiderwort supports native bees and other pollinators, especially early in the season when floral resources are still building. Its structure also provides cover for insects within prairie plantings.

Blooms Alongside

Penstemon (Penstemon hirsutus), Prairie coreopsis (Coreopsis palmata), Wild lupine (Lupinus perennis), Pale purple coneflower (Echinacea pallida), Blue Wild Indigo (Baptisia Australis)

For more information, please check out our sizes, pricing and ordering page.