Companion plants for Spiderwort
Spiderwort blooms from June through August. It wants part sun and moderate water. The 8 companion pairings below each state why the pairing works.
Blooming before Spiderwort opens

Azalea
Takes part sun to part shade and moderate water; blooms in mid spring, before this one opens; both offer pollinator forage, in different months; evergreen, so the bed keeps its shape through winter.

Flowering Dogwood
Takes part sun to part shade and moderate water; blooms in mid spring, before this one opens; both offer pollinator forage, in different months; both are North American natives.

Camellia
Takes part sun to part shade and moderate water; blooms in midwinter, before this one opens; both offer pollinator forage, in different months; evergreen, so the bed keeps its shape through winter.

Lilac
Takes full sun to part sun and moderate water; blooms in mid spring, before this one opens; taller at 10 ft, for the layer behind it; both offer pollinator forage, in different months.
Taking over as Spiderwort finishes

Aster
Takes full sun to part sun and moderate water; blooms in early fall as this one finishes; both offer pollinator forage, in different months; its seed heads stand through winter, for structure and the birds.

Perennial Sunflower
Takes full sun to part sun and moderate water; overlaps, then carries the display into mid fall; its seed heads stand through winter, for structure and the birds; both offer pollinator forage.

Goldenrod
Takes full sun to part sun and low to moderate water; overlaps, then carries the display into mid fall; its seed heads stand through winter, for structure and the birds; both offer pollinator forage.

Autumn Crocus
Takes full sun to part sun and moderate water; blooms in early fall as this one finishes; lower at 6 in, for the front of the border; both offer pollinator forage, in different months.