Ohio Spiderwort

Tradescantia ohiensis — Dayflower Family

A native perennial wildflower in the Dayflower Family that blooms in spring.

Perennial North American Native
Tradescantia ohiensis
Hardiness Zone 4+
Light Part Sun/Shade
Water Medium
Height 3.0 ft
Bloom Spring
Growth Moderate

Planting Guide

When to plant

Plant container-grown plants in early fall or early spring, 6–8 weeks before expected frost. This gives roots time to establish before bloom.

Spacing

Space plants 1.5–2.0 feet apart. Closer spacing fills in faster and suppresses weeds; wider spacing gives each plant room to reach full size.

Root system

Roots reach at least 12 inches deep at maturity. Plant the crown at or just below soil level.

Growing Conditions

Sunlight

Part sun to part shade — 3 to 6 hours of direct sunlight. It adapts to a range of exposures and does well on the east or west side of a structure.

Soil & pH

Prefers a wide pH range from acidic to neutral (pH 5.5–7.5). Most average garden soils fall in this range; a quick soil test confirms your starting point.

Watering

Moderate water needs. Water deeply once or twice per week during the first season. Established plants handle brief dry spells but benefit from occasional watering during prolonged dry periods. Once established (typically 1–2 seasons), it shows moderate drought tolerance and can go extended periods without supplemental water.

Seasonal Care

Spring
  • Cut back dead stems from last year to 2–3 inches above ground as new growth emerges.
  • Divide clumps every 3–4 years in early spring before bloom to maintain vigor.
  • Top-dress with a thin layer of compost to support the season's growth.
Summer
  • Deadhead spent flowers regularly to extend bloom period and prevent excessive self-seeding.
  • Water during extended dry periods (10+ days without rain), especially in the first season.
  • No major pruning needed; remove any diseased or damaged foliage promptly.
Fall
  • Leave stems and seed heads standing through fall and winter to support overwintering insects and birds.
Winter
  • Leave the plant standing — hollow stems shelter native bees and other beneficial insects overwinter.
  • The seed heads attract finches and sparrows through the coldest months.
  • No mulching is needed for established plants; a thin layer of leaves is fine around the crown.

Wildlife & Garden Value

Ecological benefits

  • Early bloomer — provides critical nectar and pollen at a time when little else is flowering, supporting queen bumblebees and other early-emerging pollinators.

Landscaping uses

  • Mixed perennial border or cottage garden planting.
  • Native meadow or pollinator garden seed mix component.

Where to Buy Ohio Spiderwort

Buy from specialist native plant nurseries to get the true species rather than a cultivar with reduced wildlife value.