Tradescantia subaspera, the zigzag spiderwort, is a species of flowering plant in the family Commelinaceae, native to the eastern United States.

[3][2] Its zigzagging stems and wider leaves distinguish it from Tradescantia virginiana.

It is recommended for shady naturalistic garden settings.

[3] It has three petals which are violet-blue to purple in color.

[4] The following varieties are accepted:[2] This Commelinales-related article is a stub.